Plant and Gardening FAQs
Category: Pruning
Q: How and when do I prune my Clematis?
This is an attempt to simplify the very confused and complicated world of Clematis pruning!
Firstly remember these three points:
1. Clematis flower quite happily in the wild and they are never pruned!
2. The key to Clematis pruning is to establish which wood it flowers on; new or old
3. Consider feeding your Clematis with a specialist Clematis food after pruning
All Clematis plants can be split into two groups:
Clematis that flower on wood that was produced last year.
Look at the shoots that are flowering are they woody and tough?, are there other obvious signs that the flowering wood has been maturing for some months? Clematis that flower on previous year’s growth tend to be early flowering but there are also some Clematis that flower early on current season’s growth so be careful to confirm the age of the wood. If you think that your Clematis is flowering on shoots produced last year prune it immediately after flowering has finished. This allows your Clematis a whole year to produce the wood that will flower at the same time next year. Prune back to a strong, healthy looking pair of buds. How low down the plant you prune is up to you, if you have spent many hours training your Clematis, through a trellis for example you might not want to waste all you hard work by cutting back to 6 inches from the ground. As long as you prune to a healthy pair of buds, you cannot go wrong. As with any pruning, remove any dead or weak shoots.
Clematis that flower on wood that has been produced in the current growing season.
These Clematis produce flowers on wood that is new, produced in the current growing season. They can flower at any time. Prune Clematis that flower on current season’s wood in late Winter or early Spring. They can be pruned hard, often to within 6 inches of the ground. Just make sure you don’t prune any lower than where you can see active signs of life i.e. pair’s of plump, healthy growth buds. Remember the harder you prune the more vigour this will generate in the plant’s reaction, if you are brave you will be rewarded! Hard pruning of this type of Clematis will result in lots of new young shoots that will all produce flowers.
If your Clematis has grown 20ft along a Pergola, is very tangled, but flowers beautifully every year don’t bother pruning it!
Firstly remember these three points:
1. Clematis flower quite happily in the wild and they are never pruned!
2. The key to Clematis pruning is to establish which wood it flowers on; new or old
3. Consider feeding your Clematis with a specialist Clematis food after pruning
All Clematis plants can be split into two groups:
Clematis that flower on wood that was produced last year.
Look at the shoots that are flowering are they woody and tough?, are there other obvious signs that the flowering wood has been maturing for some months? Clematis that flower on previous year’s growth tend to be early flowering but there are also some Clematis that flower early on current season’s growth so be careful to confirm the age of the wood. If you think that your Clematis is flowering on shoots produced last year prune it immediately after flowering has finished. This allows your Clematis a whole year to produce the wood that will flower at the same time next year. Prune back to a strong, healthy looking pair of buds. How low down the plant you prune is up to you, if you have spent many hours training your Clematis, through a trellis for example you might not want to waste all you hard work by cutting back to 6 inches from the ground. As long as you prune to a healthy pair of buds, you cannot go wrong. As with any pruning, remove any dead or weak shoots.
Clematis that flower on wood that has been produced in the current growing season.
These Clematis produce flowers on wood that is new, produced in the current growing season. They can flower at any time. Prune Clematis that flower on current season’s wood in late Winter or early Spring. They can be pruned hard, often to within 6 inches of the ground. Just make sure you don’t prune any lower than where you can see active signs of life i.e. pair’s of plump, healthy growth buds. Remember the harder you prune the more vigour this will generate in the plant’s reaction, if you are brave you will be rewarded! Hard pruning of this type of Clematis will result in lots of new young shoots that will all produce flowers.
If your Clematis has grown 20ft along a Pergola, is very tangled, but flowers beautifully every year don’t bother pruning it!
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