Liatris aspera
Images by part: leaf (5) · flower (5) · fruit (0) · bark (2) · habit (5) · other (0)

Liatris aspera

Tall blazing star · Rough blazing-star · Lacerate blazing-star · Rough gayfeather · Tall gayfeather

Tier 2 Difficulty: medium Water: low Light: full_sun
0
Soil pH
5–7
Hardiness
Zone 3–9
Click count
148
Observations
208

Description

Source: leafsnap

Liatris aspera, commonly known as rough blazing star, is a perennial herbaceous plant in the Asteraceae family. Native to North America, it is found in the central and eastern United States. The plant typically grows to a height of about 3 feet, featuring a slender stem with narrow, rough-textured leaves. The flowers of Liatris aspera are arranged in dense spikes at the top of the stem. Each spike contains numerous small purple or pink flowers that bloom from mid-summer to early fall, attracting bees, butterflies, and other pollinators. Liatris aspera prefers full sun or partial shade and well-drained soil. It is drought-tolerant once established but benefits from occasional watering during prolonged dry spells. Native American tribes have used the plant for various medicinal purposes, such as treating fever, coughs, colds, and sore throats. Additionally, its attractive blooms make it popular for ornamental use, enhancing gardens or naturalized areas with color from late summer into fall while attracting pollinators that help maintain ecosystem biodiversity. Overall, Liatris aspera is an appealing perennial herbaceous plant that offers both aesthetic value and important ecological functions. By providing habitat for pollinators like bees and butterflies, it helps maintain biodiversity within ecosystems, making it a significant part of our natural heritage that is worth preserving for future generations.

Care Guide

💧 Water
☀️ Light Full sun
Ideal: Full sun
🌡️ Temperature 0–35°C
Ideal temperature: 0–35°C
💨 Humidity
Humidity:
🪴 Soil 5-7
Soil pH: 5-7
🌱 Fertilizer
🪴 Pot & Repot
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity

Characteristics

Plant Type
Herb
Life Cycle
Perennial
Genus
Liatris
Family
Asteraceae
Hardiness Zone
3-9
Mature Height
0.3 m to 1.83 m
Mature Spread
30 cm to 61 cm
Leaf Color
Green
Leaf Type
Deciduous
Flower Color
Purple, Lavender
Flower Size
2.54 cm
Bloom Time
Late summer, Early fall, Mid fall
Planting Time
Autumn
Harvest Time
Mid fall, Late fall, Early winter

Tags (7)

Common Names (7)

en Tall blazing star
en Rough blazing-star
en Lacerate blazing-star
en Rough gayfeather
en Tall gayfeather
en Tall prairie blazing star
en Prairie blazing star