DAHLIA BULBS: These biennial tubers are planted in the spring and belong to the Asteraceae family which include sunflowers and daisies. Dahlias will start blooming after about 8 weeks from planting
- Plant dahlias in an area with full sun (preferably morning sun).
- When planting, amend with a little bit of compost or bone meal. Do not fertilize during planting time. The hole should be 6-8 inches deep. Set the tubers in with the “eyes” facing up and cover with 2-3 inches of soil.