Hi Kate I am new to Dahlias, I thought I would plant them in raised beds as part of a cuttting flower area, but the dahlias seem to need to be planted 90cm apart! Which doesn't leave me a lot of room for anything else, do they really need such big spacings?
You can plant them closer than that -I do-that distance is if you want exhibition blooms-for cutting in the garden it is not so vital -just give them room to grow.
They are only just starting to show signs of life. I don't have a greenhouse, so they are in a warm sheltered part of my garden protected by sheets of glass that I salvaged from an old greenhouse
I planted mine out 2 weeks ago-you can plant them quite deep so if there is an unexpected late frost they will resprout-I would suggest that once it stops raining you get them in.
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You can plant them closer than that -I do-that distance is if you want exhibition blooms-for cutting in the garden it is not so vital -just give them room to grow.
Have you started them into growth or are they just dried tubers?
What part of the country are you?
90cm! mine are a lot closer than that. I try to avoid the tubers touching as that can cause problems.
I started my tubers indoors and have now planted a lot of them out as they are going strong.
I planted mine out 2 weeks ago-you can plant them quite deep so if there is an unexpected late frost they will resprout-I would suggest that once it stops raining you get them in.