I overwinter mine. They are tuberous, so I bring them inside about now, let them die back and then dig up the tubers. I replant in February, but don't plant out till after the frosts.
How can you lie there and think of England When you don't even know who's in the team
It lives in my back porch and when it dies down I move it down from its space in full sun to a lower shelf and let it dry out. I look out for new shoots in the spring and then water it carefully. I repot and feed as necessary and it flowers every year. It's still in flower now
I’ve got the same one ‘ glowing embers’ what a beauty. I’ve taken some cuttings and put them in pots of half perlite and half potting compost and they seem to have taken. But, I didn’t realise that they could regrow again next year if left to dry out. I will bring the whole plant indoors and keep it dry and hopefully it will survive.
I just wrap up the tubers in paper etc and put in a box in my garage.. not exactly sure when but before frosts, once they stop flowering and look tatty. They don't need soil or water - like dahlias. Works fine for all including these. It takes up too much space otherwise. Then this year I'll put them in pots in the cold frame in March maybe? Or inside earlier. I've had some begonias for around 5 years and they just get bigger.
I left some in a window box and though they lived and even had the odd flower it didn't improve them.
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Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.
They are tuberous, so I bring them inside about now, let them die back and then dig up the tubers.
I replant in February, but don't plant out till after the frosts.
When you don't even know who's in the team
S.Yorkshire/Derbyshire border