Growing Dahlias In Pots Youtube. The next summer I grew 64 dahlia plants. Dahlia Tubers can be planted from Mid-April until Early June depending on your location and your climate.
Start with the correct size containers or pots. The next summer I grew 64 dahlia plants. That summer of 2014 I bought 16 dahlia bulbs at Costco and online to plant in my flower garden.
Make sure the potting soil does not have clay in it.
If you want to grow dahlias in pots choose a pot thats at least 12 inches by 12 inches and fill it with a rich potting mix like 2 parts compost to 1 part peat moss. If you look at most of the dahlias growing in your area or at a nursery you will see that they are all planted in the ground. This creates an impression that growing dahlias in pots is not a viable option. I first started growing dahlias in my own backyard in 2014.