iatris pycnostachya, commonly called prairie blazing star, is perhaps the tallest Liatris species in cultivation, typically growing 2-4' tall (infrequently to 5'). It is an upright, clump-forming, Missouri native perennial which commonly occurs in prairies, open woods, meadows and along railroad tracks and roads.
Liatris Pycnostachya Care
Liatris Pycnostachya
What is the plant
humidity
Dry
lighting
Full Sun
hardiness zone
3 - 8
difficulty
Easy
hibernation
Cold Period
How to Care for the Plant
Water
Although established Prairie Blazing Stars are relatively drought-tolerant, they prefer to be kept moist, especially when they're maturing. Care should be taken to ensure the plant doesn't have to cope with excessively wet soils in winter, though, as this can cause root rot. If the plant is left dry too long, it can also result in leaves being lost.
Pruning
Deadhead regularly through summer and autumn. Cut to the ground in winter.
Fertilizer
Liatris is not a heavy feeder, but if the soil fertility is poor you can apply a balanced flower fertilizer once a year, in the spring as active growth begins.
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Sunlight
Sun
Soil
Easily grown in average, dry to medium, well-drained soils in full sun. Tolerant of poor soils, drought, summer heat and humidity. Intolerant of wet soils in winter.
Temperature
Barely cover the seed with growing media and reduce soil temperature at night.
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Additional
Liatris spicata has no toxic effects reported.
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