By Tryharder
Essex,
United Kingdom 
Hi there, should I nip out the tips of dahlias (potted) or just leave to do their own thing???
30 May, 2017
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« Hi there we are currently planting some iris's and some fushia we have some...
Yes, topping off an inch from your dahlias will cause it to 'side shoot' resulting in a sturdier, fuller plant and more flowers. Wait for it to reach about 10 inches or so before topping off an inch or 2.
30 May, 2017