Gladiolus

How to Plant, Grow, and Care for Gladiolus

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Gladiolus is a perennial favored for its beautiful, showy flowers. Its flowers grow on tall spikes and are often found in cutting gardens or in the back along the border (because they are tall). Gladioli have many different colored flowers, and grow between 2 to 6 feet in height. It’s good for cut flowers.

Planting

  • Plant gladiolus bulbs in the spring once danger of frost has passed and the soil has warmed.
  • Ready your garden by using a garden fork or tiller and loosen the soil to about 12 to 15 inches deep. After loosening the soil, mix in a 2– to 4–inch layer of compost.
  • Set the corm in the hole about 4 inches deep with the pointed end facing up. Cover with soil and press firmly.
  • Space the corms 3 to 6 inches apart. Water the corms thoroughly.
  • Gladioli like well-drained, light soil and full sun.
  • If you’re planting tall varieties, be sure to stake them at planting time. Be careful not to damage the corms with the stakes.
  • It takes about 90 days from the time gladioli are planted to root, grow, bloom, and store enough energy for the next season.

Care

  • Put a 2– to 4–inch layer of mulch around your gladioli to keep your soil moist and help prevent weeds.
  • If you get less than 1 inch of rain a week, water your plants regularly throughout the summer. Otherwise, water them moderately when in growth to keep the soil moist.
  • Remove the faded/dead flowers to ensure continuous growth. Once all the flowers on a stalk have gone, cut off the stalk.
  • Be sure to leave the plant intact so it can mature and rejuvenate the corms for the next season.
  • If you live in zones 7 or 8, put down a layer of hay or straw for winter protection.
  • Corms should be dug before the first frost if you live in zone 7 or ones colder. See instructions below.

gladiolus-purple-variety_full_width.jpg

Pests/Diseases

Harvest/Storage

Before the first frost, you can dig up glads to store over the winter.

  • Use a space and dig up cothe entire plant, grasping the top to pull it out of the soil. Avoid bruising or injuring corms while digging. Shake off all loose soil and discard damaged corms. Cut the stalk within 1 inch above the corm. Save the small cormels separately if you so desire.
  • Allow the corms to dry in the Sun for 1 or 2 days if the weather agrees. Sift out excess soil and place corms in wooden flats or trays. Cure ina warm and airy location for 2 weeks (at a temperature of 80-85°F). Remove and throw away the oldest bottom corms (from the base of the new one).
  • Dust freshly dug, clean corms with a fungicide (“bulb dust”) to avoid disease problems. Place dust and bulbs or other structures in a paper sack and shake vigorously.
  • Store the large, new corms in paper boxes, open paper bags, cloth bags, wooden trays with screen bottoms, or old onion sacks. Stack or hang the containers so air can move among them. Store the corms at 35 to 45°F in low humidity. A cool basement is quite suitable. Do not
    allow corms to freeze.
  • Replant these corms in the spring for another year of beautiful blooms.
  • Learn more tips for storing gladiolus through the cold winter.

Recommended Varieties

Wit & Wisdom

Gladiolus are one of the August birth flowers.

Comments

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Hmmm..Glads grow from planted

Hmmm..Glads grow from planted corms (bulb-like structures) that are intentionally planted. Most glads do not come back north of zone 8 because they are not winter-hardy.
Update: Clearly, we are hearing other readers mention that their glads are coming back in zones 7, 6 and even 5.
The reason? Perhaps this change is due to shorter, warmer winters. The ground just isn't freezing as deeply. Other factors might be: heavy mulching in wintertime, deeper planting, and good snow cover. The only way to find out? Leave some glads in the ground and see what happens in your area!

We live in Zone 7 and my

We live in Zone 7 and my neighbor has Glads growing in her front yard, she is not a gardener, never tends to them, no weeding or fertilizer and they come back every year.

I live in z5 in michigan and

I live in z5 in michigan and planted glads 5 years ago. I've never dug them up for the winter and they have become prolific bloomers. I tried digging them up to relocate to my sunnier garden so some of the really small corms have come up. There are now almost 20 plants that should start blooming last year. More light has encouraged taller plants and more blooms.

The bulbs may have been moved

The bulbs may have been moved from your garden to hers by squirrels or chipmunks. I have watched the critters relocate bulbs at my house.

I remember an aunt who had

I remember an aunt who had rows of beautiful glads every summer. Every fall she dug them up and every spring she replanted. But I remember her soaking them before she replanted, and I seem to remember my mother saying lye water. I have some stored glad corms, do I need to soak them before re planting?

Soaking corms is a common way

Soaking corms is a common way to control thrips, a challenging pest. As they go into storage, soak for 6 hours in a mixture of 4 teaspoons Lysol ® or other disinfectant and one gallon of water. Allow corms to dry before storing them.

My Glads are in full bloom

My Glads are in full bloom and very beautiful, here in south Texas. Question: Will they continue to produce blooms if I cut the flowers for vases? My plants are currently about 3-1/2 feet tall. I would hate to cut the flowers and have a bare flower bed.

Gladioli usually bloom once a

Gladioli usually bloom once a year. Cut the flower spikes when they have one, two, or possibly three flowers open; the rest will open in order, up the spike. Allow at least four leaves to remain on the plant if you wish to re-use the corms. Then let your plant die back naturally, as it needs to make next year's flower before dying back this year. If you would like continuous flowers, plant more corms subsequently and that way they will keep coming!

How long can the bulbs be stored?

Can they be stored in a refrigerator?
I don't have a well ventilated room of 35-45 temperature, where else can I store them?
Can I store them for more then a year without planting them? How long will they keep?

A refrigerator is too cold

A refrigerator is too cold for the bulbs. If the bulbs are firm and dry you can put them in a paper bag and keep them in your coldest room. Check them regularly for soft spots or rot. If a bulb is soft discard it. They should be OK for a year.

Moved Gladadiolus from pots to ground

3 days back I moved my 33 glads from pots to ground and now leaves are turning yellow. Pots got morning sun but now in ground they get full sun. I am worried and I don't want to loose my Glads. Shall I move them back into pot? Any advice. I leave in Walnut creek , Ca

Transplanting gladiolus

I started many bulbs in pots. They are doing well and I would like to transplant them, but
we can get light frost through June 10th here. Is it OK to transplant them now or do I need to wait until all danger of frost is past?

zone

I live in Lisbon, Me., what zone am I in?

You are in USDA hardiness

You are in USDA hardiness Zone 5b.

How long from planting to blooming?

My wedding is Sept 7th and I want to use my glads as cut flowers for the wedding. When should I plant my bulbs?

You can plant them now if the

You can plant them now if the ground is warm. It can take 3 mos. For them to bloom into flowers.

How long do flowers last?

Do the flowers last for days or weeks? As I stated earlier, I'm trying to have them in full bloom for Sept 7th. If I plant now that is 112 days, so I'm afraid they will be done before the wedding. Thanks for your input. It's a challenge to have all of the flowers in full bloom at the right time! :)

I might have a solution to

I might have a solution to your problem. check online to see what the average time to bloom for your variates (usually 90 days avg). Then divide your bulbs into 3 and plant 7-10 days apart starting at 85 days prior lets say. That way you won't have all of them bloom at the same time but you'll be assured that you will have some of them at the peak of their blooms.
Another solution is to plant some of them at different locations (ie:south, west, etc) so that the maturity dates will differ if you plant them at the same time.
Hope this helps! ;-)

Storing bulbs

I know I have to dig my bulbs this fall, but not sure how to store them. My basement is heated, and the garage is VERY cold.

What to plant with glads

What are good choices of other blooming plants or even showy plants to plant with glads to highlight all in the garden? Annuals and/or .

I have asian lilies planted

I have asian lilies planted in front of my glads. They grow half the size and bloom while the glads grow to bloom. I also have a couple of rose bushes including a JFK rose bush. Daylilies are also a good option. They're blooms will be in full swing just before the glads begin to bloom.

There are lots of daisy-type

There are lots of daisy-type flowers that grow into a low bush with lots of blooms all summer. In Georgia I've seen both the 'traditional' yellow and white daisies but also some lovely purple varieties as well. I am going to get some this weekend for the same purpose ... to hide the wilting greenery after the gorgeous Glad blooms are gone.

Gladioli start

I have just planted 20 gladioli bulbs last week i.e. on 29th April, when will the shoots start showing? I am in Atlanta Ga area.

Usually it takes about 3 to 6

Usually it takes about 3 to 6 weeks before you see signs of the first shoots.

Question

I planted my corms almost a month ago, and haven't seen anything. Should I have seen something by now? I live in zone 7.

zone 7 don't grow gladiolous

zone 7 don't grow gladiolous

Can I plant Gladiolas in Atlanta GA in May?

I bought a bag of 70 gladiolas from BJ's wholesale club because they were really inexpensive and I got the gardening bug this year. Can I plant them the first week in May and have them bloom by the end of summer or should I store them per your earlier posts and wait to plant before the first frost? If I can plant them, should I stagger planting them so I have blooms throughout the summer?

Now is a good time to plant

Now is a good time to plant bulbs for summer bloom. It's a good idea to stagger the planting to prolong the bloom time. 70 glads will make your garden smile!!

Can I transplant while blooming.

I live in East TX. I found some glads in the woods behind my house. They are full bloom right now. When is the best time to dig them up to move? Is it ok now, or should I wait til the blooms fall off.

Transplant advice

I planted glads in a few spots last year they were beautiful! I decided to get rid of two of the flower beds I would like to move the corms, but I'm not sure if I can right now it's the end of April, in massachusetts south of boston we have had a cold winter and spring this year, there has been no growth yet. I have friends who leave theirs in the ground and they come back each year so I left mine. I'm just asking if I can try to move them or is it a bad time of year to do so

You can move them now. Just

You can move them now. Just be careful when you lift them so that you don't damage the corms.

No flowers

I planted the bulbs last year and they all came up with thin leaves, which in time just fell over - no flower stalks came up at all. They all came up again this year, but once again, it's just the leaves, no hint of a flower stalk again. What's wrong?

If your glads are close to a

If your glads are close to a lawn they may have been getting too much nitrogen from lawn fertilizers. Nitrogen promotes leaf growth. Add bone meal to the soil and in a few weeks add a bloom booster fertilizer. Also make sure that the bulbs are not planted too deep in the soil.

what zone am i?

i live in utah what zone is that?

Depends on where in Utah

Utah varies depending on which part you live in. It ranges from 7B-7A-6B

should I cover ?

It's April 18th here in Missouri, & I have a lot of glads coming up, but its suppose to be near freezing tonight, should I cover them ..........

Glads should be lifted in

Glads should be lifted in places that freeze (zone 7 and lower). If yours are in the ground, try to protect them with a greenhouse plastic covering. It will heat up the soil and speed the plant along while protecting from frost. If the corms are planted too soon in cold soil, they will rot.

To dig up or not

Hi, what zone is MA. And do the corms get dug up each winter or not?

Folks, see map page:

Folks, see map page: http://www.almanac.com/content...
MA has more than one zone.
It's recommended to lift the bulbs in the fall in zones 7 and lower.

whats the zone

I live in Modesto, California so what zone do I live in?

Modesto, California is USDA

Modesto, California is USDA zone 9a.

How to I transplant Glads?

I forced some Glads in a large vase filled with rocks and water following some directions I found on the internet. It is now mid April and they are not calling for anymore really cold weather here in GA. The stems are getting really tall and starting to fall over. However, I do not know how to transplant them. Will this damage their roots? Where should I plant them? I don't want them to die because they seem to be doing so well. I would really like for them to bloom and flourish.

You can plant the glads

You can plant the glads outside if you carefully take them out of the vase without damaging the roots. Plant them in full sun. Dig a deep hole, add some compost and put the bulbs with the roots in the hole. Fill with soil. See above for planting and care information. Put stakes next to the tallest glads.

Glads

Last Spring I planted (zone 6) 75 glads as per the instructions on the package exactly. Not one came up. Do they bloom in year 2 normally?
Jennifer

Most glads are tender bulbs

Most glads are tender bulbs that can't freeze--and Zone 6 is iffy. They don't always come back if it's a cold winter. I've made that mistake, but the bulbs are fairly inexpensive. If you plant some new glads now, you should have blooms in 90 days!

I live in RI, if I put hay on

I live in RI, if I put hay on the top of my flower beds in the fall will the bulbs be ok for the winter

Most of RI is too cold to

Most of RI is too cold to cover with hay. In hardiness zones 7 or colder, corms should be dug before the first frost, stored, and replanted in spring.

I Live In RI

I have way to many Glads in my flower beds. They have started to come up and have the green stems on them, can I transplant them now before the flowers open up to other areas in my yard?

Yes, you can transplant them

Yes, you can transplant them now. Dig carefully so that you don't disturb the bulbs and roots. Plant in new spot and keep watering to prevent transplant shock. You may loose a few flowers but most should be just fine.

I live in Middletown,RI

Where I live, I have never had to dig up my bulbs,(gladilous,tulips,cana,daffodils,columbine, etc;). All I do is put the Fall leaves on my flower beds before the 1st frost. Hope this helps you. Happy Gardening!

When to plant in ZONE 7

I live in Oklahoma and am planting a few gladiolus as well as a few other things for the first time this season, and I am not quite sure when exactly I should plant them? I know they say last frost, but that's sometimes hard to determine here.

You can plant the glads now.

You can plant the glads now. See our frost chart at almanac.com/content/frost-chart-united-states with last spring frost dates shown for Oklahoma.

Corms too old?

I bought corms last November and I would like to plant them this coming April. Thing is is that they were on clearance from last summer - would it be okay to plant them after they've never been in soil for this long? How long can the corms last without being planted? I kept them cool & dry all winter. Thanks!

As long as the corms are dry

As long as the corms are dry and there is no visible rot they are fine.

Planting gladiolus!

So Im planting gladiolus this spring :) been wanting to for awhile. Just wondering if I should lift the bulbs in winter? I live in paso robles, California, zone 8 :)

You can leave the bulbs in

You can leave the bulbs in the ground. It's recommended to lift the bulbs in the fall in zones 7 and lower.

wild gladiolus

I saw one blooming in the woods next to me, went over and pulled up a bunch of bulbs and planted them in my yard. Now a couple years later they pop up everywhere in my yard. Is there any reasoning to this? Also why do some bloom and others don't? Thanks
from North Florida (most southernmost part) zone 9a

The corms multiply by

The corms multiply by producing new corms on the top of the mother corm. You can dig them up in the fall and replant them where you want them to grow. The ones that don't bloom are probably the newer smaller corms.

I live in Fresno, CA and have

I live in Fresno, CA and have left my bulbs in the ground for the last three years. I noticed there is a lot of leafy (almost looks like tall grass) growing around the plant. When I dug it up to see what it was it looked liked little mini corms. What do I do with this? and will they grow to be full size gladiola plants?

They are mini corms and will

They are mini corms and will grow into big corms. Leave them where they are or you can transplant them.

LIGHTLY FROSTED

I LEFT MY GLADS IN THE GROUND IN SEQUIM WA..THEY MADE IT THRU MOST OF THE MILD WINTER..A FEW FROZEN DAYS AND THE LEAVES YELLOWED AND NOW IN FEB ARE BEGINNING TO BROWN...SHOULD I CUT THEM ALL THE WAY BACK TO THE BULB (CORM)..AND WILL THEY COME BACK TO LIFE THIS SPRING ...DGH

cold corms

What's the weather forecast now??
With that in mind, if more cold days are likely, or worse, frost, you should probably just leave the foliage alone until all threat of cold weather has passed.
Glad corms should be lifted before cold weather sets in. Since you did not do that, consider whether or not they are deep enough in the ground to avoid the effects of any surface frost. If so, they may survive. Lifting them now may not make any difference.
We hope this helps.

Indoor Gladiolus Help!

My daughter brought home a bulb from school. I planted it in a pot 11 1/2 inches in diameter. She had no idea what the bulb was. The only place I could put the pot was next to the heater. I usually keep the house at around 64 degrees. Now the gladiolus is about 1 1/2 feet tall! Is the placement of the flower in an adequate area? If so how moist do I keep the soil? How often do I water it? I don't want to disappoint my daughter by having the flower die. Please help. I don't have a green thumb and plants often die on me for some reason.

Your plant will need lots of

Your plant will need lots of sunshine and moist soil. Do not over water it, as this will drown the plant.

Replanting

I live in Zone 8-9 in Folsom, CA. Can I plant Gladadiolus every 30 days beginning now? Can I store them in my garage until March, 2013 without causing them to rot or become too dry? Any advice? Thanks! Al Figone

Wait to plant in March. Then

Wait to plant in March. Then plant the bulbs every 2 weeks to get a longer flowering period.
Store the bulbs in a box or paper bag with sawdust. They should be fine in your garage if it doesn't get really cold in there.

mold on corms

A successful gardener gave me some of her corms after digging. They have some mold on them, but no soft spots. Maybe she put them in a plastic bag before they has dried much after being dug? Are they worth storing and planting next spring?

Gently brush off the mold and

Gently brush off the mold and wrap the individual corms in newspaper. Store them in mesh bags in a well–ventilated room or put them in a paper bag and store them in a dry cool place. Check the corms a few times during the winter months and remove any that are soft.

Newbie

I just moved to WA state from CA, and have 3 acres of gardens, trees and lawns. I know nothing about gardening, and I want to keep these gardens alive. I have Glads, Hydrangeas, fruit trees and more. How can I learn to take care of these gardens?

Sounds exciting, though a tad

Sounds exciting, though a tad overwhelming! If you look at our Gardening center, you'll find plant pages on glads, hydrangeas fruit tree, and more. See: http://www.almanac.com/gardening That might be a good place to start. You can also visit your county's cooperative extension office as they offer free local information and can be a great help. For your office, see: http://www.almanac.com/content...

Glads every year

I live in NJ and leave my glads right where they are and they come up every year. I usually don't touch them.Will that continue to work?
Is there something I can cover the ground with ( mulch burlap ) to keep the ground warmer if a very cold winter develops?

Glad for glads

Far be it from us to change a course of success, but this may be the time. Our weather prediction is for colder than normal temps in NJ, and depending on how deep your bulbs are and how much rain/snow falls (and then seeps down and freezes and, say, melts and freezes again), you might wish you lifted them. You could try adding a few extra inches of mulch (the chunky stuff, bagged or loose, used to line garden beds); that would effectively make the bulbs deeper underground. If you have a lot of glads, maybe split the difference and lift some of them and mulch some of them. We hope this helps!

glads

hi i live in christchurch new zealand ive been growing and showing glads for about five years i dig my glads up every year so i can clean them and check them that they dont have any disease or rotten christine

I live in the Willamette

I live in the Willamette Valley, in Oregon. Will I need to dig up the bulbs in the winter?

Glads are not hardy below

Glads are not hardy below USDA Zone 6. In your area they may over-winter with a thick layer of mulch.

still blooming

I planted about 50 glad bulbs at the same time last year. They all bloomed over a period of 6 weeks. Left them in the ground (KY) and this year (after a mild winter, summer drought, and excessive heat) they have been blooming since June...and we are still getting some blooms and it's nearly Oct. I love it, but is this normal?

Yes, it's normal. Gladiolus

Yes, it's normal. Gladiolus bulbs (corms) grow and multiply in the first year. Every 3-4 years you need to lift and divide the corms so that they don't get too crowded. Dividing is best done in the fall after the blooms fade.

i live in North Central

i live in North Central Arkansas...do I need to dig up for winter?

According to your UofA

According to your UofA extension office, "Gladiolus can be left in the garden year round in most parts of the state, but hard winters which freeze the soil to the depth of the corm will kill them. Most people that grow gladiolus for cut flowers dig their plants each fall and store the corms in a dry, frost free area over winter."

Newcomer to Glads

I live in Missouri, will I have to dig Glads up during winter, never grew them, they are just now ready to bloom. How do you store and is a garage ok?

Newcomer

Yes, you need to dig the bulbs after your first frost. Place the bulbs in a warm dry area for a week or two. Cut the stalks and put the bulbs in a paper bag. Store in a cool, dry area. Garage is OK if it doesn't get too cold in the winter months.

im in zone 8b is it ok to

im in zone 8b is it ok to leave tha cone in winter time...and i want to change the plase .when can i dig it and plant?

Zone 8b

Yes, you can leave the bulbs in the ground if you add mulch to the top of the soil. In early spring dig the bulbs before they start growing and move them to the new location.

Help please

In March I planted over 8 bulbs they bloomed so beautifully by May. After one set bloomed the flowers died within two days. The rest bloomed and all the flowers died within a week. I pulled the dead flowers off in hopes more would bloom but it didn't. Soon the stalks started to die. Now the stalk are a yellow green with no life in them. What can I do now. I would like those flowers in my garden again. What to do?

Gladiolus only bloom once per

Gladiolus only bloom once per season. They need a dormant period of 2-3 months while they produce new corms. When the flowers die, you can cut off the stalk. Let the foliage turn yellow and die back. If you live in a warm climate (zone 7-9) you can leave them in the ground. If you live in zone 6 or less, then you need to dig the corms up and store them indoors for the winter. If you wish to prolong your blooming season next year, plant the bulbs at 2-week intervals in the spring.

Zone 3

I live in Montana and I have successfully arrived at the flowering period almost at September. I saw that you wrote it needs a dormant period of 2-3 months after flowering. So does that mean I dig them up in November- December? And just cover with mulch until then? Or do I dig them at the last frost? Which might happen in a month and a half maybe. We've already had one frost in the last week of August.

Zone 3

You need to remove the bulbs before the ground freezes. We suggest that you dig them after you have had a couple of frosts. Put the bulbs in a dry protected area to dry for a week or two. Then put them in a paper bag and store in cool, dry area over winter.

Thanks!!!

Thanks! Do I cut all foliage and just leave the bulb? I'm new to this.

Zone 3

Leave about an inch or two of foliage. Good luck!

No flowers:(

I Live in Massachusetts and planted bulbs in April. I have tall green stalks but no sign of flowers or buds and it is August. Any idea what's happening?

Gladiolus flowers usually do

Gladiolus flowers usually do not have a problem blooming. Here are tips that might suggest the problem: 1) Gladilus corms need to be lifted in the fall. Did you lift them? And did you store correctly? 2) The soil needs to be well-drained so they don't have corm rot; dig one up to inspect. 3) If you buy small corms, they may not bloom; buy big, health corms. I hope that this helps!

Might yet arrive

I planted in March, April and May. Some of the ones planted latest flowered first. Some of the ones planted early are just coming into flower now (August). A good many are still growing and I'm expecting them to flower in September.

The flower buds on some of mine looked just like a tight clump of leaves until two weeks before blooming started, deceiving me into thinking no flowers were coming this year.

gladiolus

I planted in March and gave up seeing any flowers but last week they bloomed over night,i could not believe it they are beautiful

Yes, they are dead, dead,

Yes, they are dead, dead, dead. Try again next year.

dead dead dead

I live in northern New Brunswick, Canada and most of the glads only came into bud in late august,they are now in full bloom the middle of september. Dont give up hope

Late planting?

I purchased 10 bulbs in July and live in zone 6. Can I still plant them this year or will the bulbs survive un-planted until next spring for planting?

Since it takes about 90 days

Since it takes about 90 days from planting to root, bloom, grow, and store enough energy for next year, it isn’t advisable to plant glads now in your area, since the frost will come before then. (About the latest you should plant is early July.) You can, however, try to save the corms for next spring. With proper care, they should come through the winter fine, as long as they are healthy. See the directions under “Harvesting” above for guidelines about overwintering the corms.

Gladiola rot

i planted 7 gladiola corms in a large plant potter made for the porch made sure they were 4" deep and i watered them and had them sitting in the sun, but the problem was instead of seeing anything growing they rotted in the soil what can i do to avoid this from happening again.

It could be that they had a

It could be that they had a disease that caused them to rot. For example, Fusarium corm rot, also called yellows, is a common problem with gladiolas. Before planting corms, check to see if there are mushy spots, discolorations (such as brown areas), etc. If so, throw them out so that they don’t infect other corms.

question

After the flower dies I'm left with what looks like a seed pack , is this another blossom coming out ?

Question

Those are seeds and can be harvested and started in pots. But if you want to save the existing corm you should remove the spent flower and not allow the seeds to set as this takes energy away from the corm in the ground.

Wintering

What happens if you just leave the corms in the ground over the winter after you cut the stalk back?

Wintering

If the soil freezes you will loose the corms. In a warm climate you can leave the corms in the ground.

Regrowth

After I plated some last summer it seems like 100 baby bulbs have sprouted up next to the original bulbs but the are now not growing well, what can I do? Is it to late to have beautiful flowers his season?

Regrowth

The baby bulbs need time (ususally 2 years) to mature before they bloom. In the fall dig up the bulbs and replant them in a larger area so that they have more space to grow. if you live in a cold climate store the bulbs and replant in the spring.

Help!

I planted 10 bulbs, 7 in a rather shallow plastic shadow box. The other three are in a pail. I have a patio garden. They are all producing leaves and one in deeper soil is starting a flower stock. Can I re-pot these into other pots without damaging the growth or do I need to wait until next year?

Help!

For best results gladiolus corms need to be planted about four times as deep as they are wide. The shadow box may be too shallow for healthy growth. You can carefully repot the glads with only leaves to bigger pots. Don't move the glads with flower stocks.

gladiolus in maryland

I live in Maryland, can you please let me know if I need to take the bulbs out for the winter.

Glad for advice

I moved into a place that have gladiolus. The garden had not been taken care of for years. Only a few blossomed and they did not look that great. Is there a way of reviving them for next year or should I did them up and plant new bulbs?

Glad for Advice

I live in Massachusetts and do not dig them up for the winter. I have grown glads for years and every other year, in the fall, I dig them up and replant the healthy corms. This will keep them at the right planting depth and ensure healthy corms. A little plant food in the whole when planting is also a good idea. Your corms are just fine, by now they are probably at the wrong planting depth which inhibits bloom.

Thank you for the

Thank you for the information. This is the first year I've had glads in my garden and wasn't sure how to prepare them for winter.

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Botanical Name: 

Gladiolus

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