Lemons & Oranges

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Botanical name: Citrus spp

Plant type: Fruit

USDA Hardiness Zones: 8, 9, 10

Sun exposure: Full Sun

Soil type: Loamy

Soil pH: Slightly Acidic to Neutral

Although Citrus is a subtropical genus, northern gardeners can grow lemons, oranges, and other citrus trees in containers to enjoy fresh fruit. Standard-size orange and grapefruit trees can grow 18 to 22 feet tall, whereas dwarf varieties only grow 8 to 12 feet tall. Most citrus varieties are self-fertile, so only one tree is necessary. Fruit bearing begins at three to six weeks. Flowering is not seasonal, but occurs during warm weather and regular rainfall. Flowers and fruits may coincide.

Planting

  • Citrus trees should be planted in a sunny and wind-protected area.
  • In the citrus belt, trees can be planted at any time, however, spring is the best time for container grown plants.
  • Standard-size trees should be spaced 12 to 25 feet apart and dwarf trees should be set 6 to 10 feet apart. The exact distance depends on the variety. The bigger the fruit, the farther the distance.
  • If the soil is not well-drained, plant the trees on a slight mound to prevent waterlogging.
  • To plant citrus trees inside from seeds, remove the seeds from the desired fruit. Soak the seeds overnight in water and plant them 1/2 inch deep in moist potting soil. Cover the pot with a plastic bag or wrap and let it sit in a warm and sunny spot for a few weeks until the seeds start to grow. Then, remove the plastic but keep the pot near a warm and sunny window.

Care

  • For the first few years, feed the tree a balanced fertilizer high in nitrogen.
  • Spread about 2 pounds of fertilizer over 2 or 3 doses in regular intervals.
  • Double the quantity of fertilizer after 4 or 5 years of growth.
  • Apply mulch to retain moisture.
  • Fruit thinning is unnecessary.

Pests

  • Aphids
  • Spider Mites
  • Root and Crown Rots
  • Fungal Leaf Spots
  • Fruit Flies
  • Tristeza Virus spread by Aphids

Harvest/Storage

  • Depending on the climate, fruits may take 6 to 8 months to ripen.
  • The best indicator of ripeness is taste.
  • Harvest the fruit by cutting them off with pruning shears or by pulling the fruit stalk from the tree.
  • Undamaged fruit can be stored for several weeks at cool temperatures.

Recommended Varieties

  • Limes - 'Bearss' and 'Rangpur'
  • Sour Oranges - 'Bouquet de Fleurs' and 'Seville'
  • Lemons - 'Eureka' and 'Sun Gold'
  • Grapefruits - 'Red Blush' (pink flesh), 'Marsh Seedless' (white flesh) and 'Star Ruby' (red flesh)
  • Mandarins - 'Clementine' and 'Satsuma'
  • Tangelos - 'Minneola' and 'Orlando'
  • Sweet Oranges - 'Valencia' (Valencia), 'Ruby' (Blood) and 'Washington' (Navel)

Recipes

Wit & Wisdom

Make your own air freshener: Slice some lemons, cover with water, and let simmer in a pot for about an hour.

Comments

planted a valencia orange & a dancey tangerine

By Anonymous

We planted these trees about 2yr. ago. They do not seem to be growing. Could the grass that is under they be absorbing the fertilizer?

citrus not growing

By Anonymous

If the soil is heavy clay, the roots may not be able to grow.

We don't know much about the

By Almanac Staff

We don't know much about the age of the tree you planted, but note that it can take up to five years to mature. In the meantime, enjoy the tree itself!

wierd tree

By Anonymous

My husband and I moved into a house where there is a citrus tree. my son picked some were greenish and lime like when we cut them and some where pinkish and grapefruit like. has anyone heard of this from the same tree?

Maybe lemon

By Anonymous

This sounds like a lemon tree that I have. It is a verigated pink lemon. The outside is lime color with stripes, the inside is pink lemonade color and tastes like a lemon. Hope you get some good fruit off of it, whatever it is!

It could be a lime tree or an

By Almanac Staff

It could be a lime tree or an exotic type of tree. The best way to identify a tree is often by the shape of its leaves as well as fruit. For example, the leaves and fruit of a lime are oblong. We'd suggest you take a sample of both to the nearest Cooperative Extension office or a local nursery that has citrus to ID it. Here's another resource: http://www.treehelp.com/trees/citrus/citrus-types.asp

Oranges from Seed

By rononPI

This article offered great advice with regard to caring for citrus, but it should have mentioned that most varieties of oranges do not run true to seed. If you plant the seeds from a navel orange for instance, you will get a thorny sour orange. It is best to buy grafted trees for best results.

One other thing, you didn’t mention my favorite variety of citrus as a recommended variety, which is the Poncan Tangerine. They produce a large, very sweet fruit that peels very easily.

Dwarf Meyer Lemon in Container

By Crslyn

Tree is 4 yo and lost all of it's leaves and thorns, then bloomed and then zippo. Have fertilized with citrus fertilizer. Placed in full sun. I live in North Central Texas. Last year we got a bumper crop off of this tree. What else can I do?

pruning a lemon tree

By Sheila Stout

I have this lemon tree, for about 2 years, when can i exspect to get fruit? should I prune this tree, and if so how do I prune it

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