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When your clematis has finished flowering, the next steps depend on your specific variety and its pruning group.
Knowing what to do when clematis has finished flowering is essential for encouraging a second bloom and keeping the plant healthy.
Some clematis will reward you with another flush of flowers if you give them the right care right after the first wave fades.
In this post, we’ll walk through the best practices for what to do when clematis has finished flowering, including deadheading, pruning, feeding, and watering.
Let’s dig into the details so your clematis thrives all season long.
The First Thing To Do When Clematis Has Finished Flowering
The very first thing to do when clematis has finished flowering is to deadhead the spent blooms.
Deadheading is simply the process of removing faded flowers, and it’s one of the most rewarding tasks for your vine.
When you deadhead a clematis that has finished flowering, you prevent the plant from putting energy into seed production.
Instead, that energy gets redirected into producing new growth and, in many cases, more flowers.
How To Deadhead Clematis Properly
To deadhead, simply follow the stem down to the first set of healthy leaves and make a clean cut just above them.
Use sharp, clean pruners to avoid crushing the stem, as a clean cut heals faster.
Make sure you don’t cut too far down, as you want to leave plenty of healthy foliage for photosynthesis.
If your clematis has finished flowering on old wood, you’ll be more conservative with your cuts.
But if it blooms on new wood, you can be a bit bolder with your deadheading technique.
Which Clematis Benefit Most From Deadheading
Large-flowered hybrids are the biggest beneficiaries when clematis has finished flowering.
These showy varieties often produce a second, smaller flush of blooms in late summer if you deadhead promptly.
Early-flowering species like montana and alpina, on the other hand, typically only flower once and deadheading won’t give you more blooms.
Still, it’s worth removing spent flowers for tidiness and to keep the vine looking its best.
Pruning Based On When Your Clematis Has Finished Flowering
Pruning is the next critical step when clematis has finished flowering, and timing is everything.
You need to know which pruning group your clematis belongs to before you make any cuts.
Because what you do when clematis has finished flowering for a Group 1 plant is totally different from what you’d do for a Group 3 plant.
Group 1 Clematis: Early Spring Bloomers
If your clematis has finished flowering in early spring, it’s likely a Group 1 variety.
These bloom on old wood, meaning the flower buds formed the previous season.
When clematis has finished flowering for Group 1, you should prune lightly right after blooming just to shape the plant.
Remove any dead or tangled stems, but don’t do any hard pruning now.
Hard pruning in summer would remove next year’s flower buds and you’d lose an entire season of blooms.
Group 2 Clematis: Large-Flowered Rebloomers
Group 2 clematis bloom in late spring and early summer on old wood, then often rebloom on new wood.
When clematis has finished flowering for Group 2, you can prune them back by about one-third.
This encourages branching, which leads to more flower buds, and it tidies up the leggy growth.
Just be careful not to cut too hard, as you’ll reduce that early summer bloom.
A light prune after the first flush is your best bet for these beauties.
Group 3 Clematis: Late Bloomers
Group 3 clematis flower in late summer and autumn, blooming entirely on new wood.
When clematis has finished flowering for Group 3, you can cut them back hard in late winter or early spring.
But right now, after flowering, you can remove spent blooms and tidy up lightly.
The main pruning for Group 3 happens later, so don’t feel pressured to do a major cut back right now.
Feeding And Watering When Clematis Has Finished Flowering
After the flowering display fades, your clematis needs a boost to recover and prepare for whatever comes next.
Feeding is a key part of what to do when clematis has finished flowering.
A balanced fertilizer will replenish the nutrients used up during that heavy bloom period.
Choosing The Right Fertilizer
Look for a fertilizer high in potassium or potash to encourage more flowers and strengthen the stems.
Avoid high-nitrogen fertilizers at this stage because they’ll push out lots of leafy growth at the expense of blooms.
A slow-release granular feed applied around the base of the plant works wonderfully.
Water it in thoroughly so the nutrients reach the root zone effectively.
Watering Deeply And Mulching
Clematis roots like to stay cool and moist, even when clematis has finished flowering.
Give your vine a deep watering about once a week, more often during hot, dry spells.
Don’t just sprinkle the surface; you want the water to penetrate down to the roots.
Apply a layer of mulch around the base to help retain moisture and keep those roots shaded.
Just keep the mulch pulled back a few inches from the stem to prevent rot.
Other Care Tips When Clematis Has Finished Flowering
Beyond deadheading and feeding, there are a few extra things you can do when clematis has finished flowering.
Check your vine for any signs of disease or wilting, especially clematis wilt, which can strike after stress.
If you spot a wilted stem, cut it back to healthy growth and dispose of the affected material.
You can also use this time to tie in any loose stems to your support structure.
Gentle training now will keep the vine neat and encourage a more robust framework for future blooms.
So, What To Do When Clematis Has Finished Flowering?
When clematis has finished flowering, you should start by deadheading the spent blooms.
Then you should prune according to your plant’s specific group and give it a potassium-rich feed.
You’ll also want to water deeply and mulch to keep those roots happy.
And don’t forget to inspect for disease and tie in any wayward stems.
By following this simple care routine, you’ll help your clematis recover beautifully and set the stage for many more seasons of stunning flowers.