Can I cut it all hard back ?- it's huge and very thick, the pergola can't be seen at all and there are bushes and trees hidden under it! I wouldn't like to kill it.
Yes, you can prune them back, but if you do it at this time of year, you will not have flowers for next year in spring time. The other alternative is to wait until it has flowered next year, and then prune it back. Totally up to you.
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It looks like clematis montana. It will have scented flowers in the spring.
Can I cut it all hard back ?- it's huge and very thick, the pergola can't be seen at all and there are bushes and trees hidden under it! I wouldn't like to kill it.
Yes, you can prune them back, but if you do it at this time of year, you will not have flowers for next year in spring time. The other alternative is to wait until it has flowered next year, and then prune it back. Totally up to you.