Dahlia Flower Growing From Seed. Similar to many bulbed flowers dahlias are grown from tubers which can be started indoors in early spring and moved outdoors once the danger of frost has passed. Likewise you can wait until the soil has warmed and dried a bit in the spring then plant them directly outdoors.
Dahlia seed can be harvested in the fall after old blooms dry up and seeds are created inside the old blooms. Mar 12 2020 Similar to a potato the tuber sends up a shoot that becomes the plant which produces leaves and flowers. Direct seed - After last frost when soil is 6570F 1821C sow thinly 2 seedsft 14.
Cover seed with growing medium and keep soil surface moist until emergence.
You will then have a small plant ready at planting time. It takes about 100-120 days for the seeds to produce flowers. Ever left a potato in the pantry too long and noticed eyes. Seed propagation also allows growers to experiment with dahlia breeding and.