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Can I plant out Brompton Stocks in the autumn in Scotland (Fife) or do they have to be kept in a greenhouse until Spring? I'm afraid they will be pot bound if they can't be planted out as they're growing very well now.



If you live within 5 miles of the sea, but not on the East coast, and you're in a sheltered spot, then you could chance it - but otherwise no, I wouldn't risk it, particularly given the winter we had last year. Pot up into larger pots and keep under shelter for the winter, harden off and plant out early spring, depending on the weather.

4 Aug, 2011


Thanks for the reply, Bamboo. We were hit hard last winter so I'll take your advice - thanks again. Much appreciated.

8 Aug, 2011


Just having another thought ... I'm planning to plant out wallflower, forget-me-not, sweet william, winter pansies, polyanthus and bellis in the autumn. I have established wallflower & sweet william which come back every year but should new plants be overwintered in shelter for the first winter?

8 Aug, 2011


No, I'd plant those out, preferably early September to give 'em time to acclimatise before the weather gets cold - in London, that'd be early October, but you get colder earlier there.

8 Aug, 2011


Thanks again, Bamboo. So are Brompton Stocks the only half-hardy biennial? Any others I should watch out for?

8 Aug, 2011


All the ones you mentioned so far are hardy, although I have known sweet williams to be killed off in a really severe winter, but its rare.

9 Aug, 2011


Thanks again - so helpful.

9 Aug, 2011

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