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Dahlias from seed (No replies)
Can anyone please advise. Three times I have tried to grow dahlias from seeds in a covered seed tray in a propagator in my greenhouse. The pattern is after a few days little delicate seedlings appear - great. The following day they have ‘evaporated’ - gone without trace. I keep the tray watered. Any ideas what’s going wrong? All other seeds I grow in the same way seem to germinate and develop normally, but not dahlias.