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Liatris also can be grown easily from seed. Start liatris seeds indoors or sow them directly in the garden in early spring. Seeds typically germinate in 20 to 45 days. Germination can be improved if seeds are exposed to four to six weeks of cold, moist conditions.
People also ask, does Liatris spread?
The plant spreads slowly, but eventually becomes 3 to 5 feet wide. One plant is usually enough for most garden spaces. Blazing Star self-sows and also spreads through underground roots.
Also to know is, do Liatris come back every year?
deep. Plants often bloom the same year that they are planted. Planting to bloom time of liatris flowers is about 70 to 90 days. In addition to growing corms, liatris can also be grown from seed, though plants grown from seeds don't bloom until their second year.
The flowers require only minimal care once planted and established in a perennial bed.
- Spread 2 inches of compost over the site and dig it into the top 6 to 8 inches of soil.
- Dig a 6-inch-deep hole for each blazing star corm or rhizome.
- Set a corm in each prepared planting hole with its flat side on the bottom.