Here is how I grow dahlias in my rooftop container garden!, Ive used this method for 4 years now and will continue doing it until it stops working , I plant my dahlias in April even though it wont 12 Summer Flowers to Plant in June (From Seed!) Sow Right Seeds Nourish to flourish: fertilizing tips from Pinetree growers Pinetree Garden Seeds Growing Lilies High Country Gardens Creative Ideas for Shade Container Gardens Gingham Gardens