From The Old Farmer's Almanac: Sign up to receive a FREE guide (A $4.95 value!) plus updates from Almanac.com.
Late winter is a good time for pruning in many regions. Here are some tips and a list of common shrubs and trees to prune in late winter or early spring.
Pruning deciduous plants in the winter promotes fast regrowth in the spring, as most plants are dormant during the winter. It's also easier to see the shape of deciduous plants in the winter, since their foliage is gone.
- Prune on a mild, dry day.
- When pruning, first prune out dead and diseased branches.
- Then remove the overgrown and smaller branches to increase light and air at the crown of the tree.
- In general, your goal is to keep the branches that develop or maintain the structure of the tree.
- Cut branches at the node, the point at which one branch or twig attaches to another.
| WHEN | HOW | |
|---|---|---|
| Abelia | Autumn to early spring | Maintain a graceful arching form by cutting away some of the oldest stems at ground level. Pinch growing shoots in spring if you want bushier growth. |
| Azalea | Late winter or during the growing season | Before growth begins for the season, improve the form of the bush by shortening stems that jut out of place. During the growing season, pinch growing shoot tips where you want bushier growth. |
| Butterfly bush | Late winter | Cut all stems to the ground. |
| Chaste tree | Late winter or early spring | Evergreen species need little pruning beyond cutting out weak, twiggy, dead, or broken branches. |
| Crape myrtle | Late winter | Wherever the plant is not totally winter-hardy, cut off winter-killed wood or cut the whole plant to the ground. Little pruning is needed where this plant is cold-hardy. |
| Hydrangea | Mostly late winter | For smooth hydrangea, cut all stems to the ground. For bigleaf or oakleaf hydrangea, cut stems with old flowers still attached back to fat flower buds. |
| Smoke bush | Late winter or early spring, before growth begins | Needs little pruning unless you grow it for its purple leaves rather than for its flowers. In this case, prune severely to stimulate vigorous new growth each spring. |
Comments
I always wait for my
I always wait for my hydrangea to put on leaves before I cut them back, otherwise I don't get any blooms. I cut the dead parts from the branch ends after leaves have formed. This way I am sure I have cut only what needs to be cut. Then I have beautiful blooms in the Spring. Hydrangea is one of my favorite perenials except that no matter what I try mine all turn out blue or purple, no pinks or reds. I've tried all of the tricks I've ever read to get pink ones, even bought a red one, and a pink one, but when they bloom the next year they are blue. So - I just enjoy my beautiful blue ones and the red one turned purple and is beautiful. By the way, I live in LA., may make a difference in pruning times and techniques. I'm not sure.
I have the opposite
I have the opposite problem... my blooms are always pink, and I can't get any blue ones! I also wait until the leaves form to prune. It looks strange for a month or so, but if I cut the stems before that, they don't bloom. Two years ago, my bushes started flowering, but the flowers all faded and shriveled. Not sure what happened. This year, I hardly had any blooms on that bush. Hopefully this year they'll make a nice showing!
Soil PH is the determining
Soil PH is the determining factor for color on this plant. as for the flower prefall it could be a water stress problem or a disease. Check with your local plant nursery or garden shop for more on the problem. Also see my answer to LA for a further explaination of the effects of PH of soil on Hydrangea
The color of the Hydrangea is
The color of the Hydrangea is determines by the PH of the soil. Ask at your local garden shop or look it up on line which soil ph determines what color. Here in SC most of our bushes turn out white or light pink because our soil is acidic. Out west most soils are alkaline you can test your soil with an inexpensive soil test kit or send a sample to your local college extension program to get it tested for ph and a list of what to do to get your plants to bloom another color. Jeff Davis Associate Degree horticulture.
Here in Missouri we can play
Here in Missouri we can play with the soil, I added the acidifier, and ended up with the most beautiful bush of all colors! I called it the Baby Shower Hydrangea! I was blessed with every color! Mixed on one bush! However I will confess to adding nails to the soil 3 years ago that I know will rust to acidify, hoping to get the very blue!
Post new comment