Liatris performs best when grown in full sun but it will tolerate some light shade. It also tolerates poor soils and some types will flop over if grown in too rich of a soil. Container-grown plants are best planted in early sprin, but they can also be planted in early fall.
Can Liatris tolerate shade?
SUN AND SHADE: Liatris grows best in full sun, though the plants will also tolerate some shade.
Does Liatris spread?
How does Liatris Spread? Liatris Spreads in two ways. By the underground root mass (Corms) growing larger in diameter, which makes the spread of the plant larger. By self-seeding from the flower stalks.