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Trimming a Hebe

in Plants
I have two of what l believe are Hebe.
When they are finished flowering can l do a very hard trim of these or will it kill them
Thanky you PS: see pic
When they are finished flowering can l do a very hard trim of these or will it kill them
Thanky you PS: see pic
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They often don't recover here, but some can die in winter anyway due to excessive wet and cold.
Pic isn't showing - if you can make sure it's smaller in size that helps. Around 1MB is ideal for loading quickly
I live in west central Scotland - not where that photo is...
The alternative, if you don't want to move one, or both, is to remove individual stems right back to the main trunk, and therefore reduce the overall size. The drawback of that is that it's hard to maintain the natural shape of the plant.
Hebes range enormously in size, and the larger leaved ones tend to be less tough than the smaller, more box leaved ones too. I certainly wouldn't cut back at this time of year, assuming it's winter where yo are. Doing it in stages in spring/summer would be better, but you may need to reduce the size over a couple of years instead.
I live in west central Scotland - not where that photo is...
Its mid summer here (Victoria, Australia).
They are flowering at the moment with lots of bees so l won’t be doing anything for a couple of months
You'd have to make a judgement on it, depending on how you feel. You could cut back a good bit now, and sacrifice the flowers and that would give the shrub some time to recover, and then you'd be able to cut back again next spring/early summer. That would enable you to reduce the overall size more quickly.
It's always difficult to sacrifice those flowers, and the visiting insects though.
Alternatively, remove one completely and either relocate it, which can also be tricky, or find it a new home with someone else. Failing that, dispose of it.
It depends on how they're impacting on your garden though, and what room you have.
I live in west central Scotland - not where that photo is...