I grew this for the first time this year and it's been great at attracting bees which is great as this is the reason for planting it.
However, they aren't upright and I keep having to prop them up with canes and, even then, a lot of of them are 'bent'.
I wonder when,and how, I should prune them and hope they might grow back in stronger next year?
Any advice would be much appreciated.
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