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Gardening

Find tips and tricks to make your garden or allotment flourish on our Gardening forum.

I’ve let my buddliah get too big

14 replies

NigelPonsonbySmallpiece · 26/07/2025 16:36

It’s as high as the roof. Branches are as thick as my lower leg and not sure a hedge trimmer would get through them. I know I’m supposed to cut it right back every year. Is it too late now or if I manage to saw through the branches will it be ok?

I’ve let my buddliah get too big
OP posts:
Shedmistress · 26/07/2025 16:42

No it will be fine.

bilbodog · 26/07/2025 16:43

Its flowering now so i would wait until thats over then cut right back hard - leave the main branches about 3ft high. It wont flower again this year but should have loads on next year.

Hatty65 · 26/07/2025 16:44

Leave it til winter/early spring and then cut it right back. They are impossible to kill (practically) and it will thrive on being cut back hard.

InMySpareTime · 26/07/2025 16:48

I hack mine down to knee high every winter and it’s fine. Buddleia grow out of walls and roofs, they’re not divas by any means.

NigelPonsonbySmallpiece · 26/07/2025 16:48

Thank you

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daffodilandtulip · 26/07/2025 16:49

Yeah I've been trying to kill one for years, it just keeps poking its little head through!

Elektra1 · 26/07/2025 16:49

Hack it to the ground. It’ll still grow back.

DiscoBeat · 26/07/2025 16:53

The branches are soft so good long handled heavy duty secateurs should handle it. I'd wait till its finished then take it down fairly low.

NeverTrustaCherryTomato · 26/07/2025 20:28

I have cut some back to about waist height after they've finished flowering then in about February cut them down to 12" or even ground level. One didn't survive the ground level thing but that was what I had intended and now regret Blush

slightlydistrac · 27/07/2025 10:28

They flower on current year's growth, so the best time to cut them back is in early spring before they start growing.

You can be brutal with them, and cut back to around knee high, and although the trunks are large the wood is relatively soft, so a decent saw will get through ok.

Burgerqueenbee · 27/07/2025 10:56

Last year the wind partially uprooted one of mine, so I sawed it off to a little stump about 4 inches tall awaiting some help to get the last bit out. Well let me tell you that it is now 5 ft tall, and so thick and bushy, much better looking than another one I just gave a more traditional pruning to!

caringcarer · 27/07/2025 11:09

Wait until it finishes flowering and hack it back. It will grow again.

AnnaMagnani · 27/07/2025 11:09

My DM cut mine back once to ground level. I was furious with her.

Had to apologise the following year when it was back and flourishing.

I'd wait until the flowers are over and cut the whole thing back to a small stump.

NigelPonsonbySmallpiece · 27/07/2025 11:13

I honestly think I might need a chain saw. There’s no way my long handled secateurs are fitting round it and I had a little attempt at one branch with a hand saw and gave up. 😆🙈

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