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Liatris ligulistylis (Meadow Blazing Star)
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© Brent Guinn, some rights reserved (CC-BY-NC) · iNaturalist

Liatris ligulistylis

Meadow Blazing Star

Central North America — Great Plains from Alberta south to New Mexico

At a Glance

HabitUpright
FoliageDeciduous
Height30-48 inches (75-120 cm)
Width12-18 inches (30-45 cm)
Maturity3 years

Growing Zones

USDA Hardiness Zones

3 - 8
These zones indicate the coldest temperatures this plant can typically survive.
What's my zone? →
Frost Tolerancehardy

Overview

Liatris ligulistylis is meadow blazing star, widely planted in monarch butterfly habitat plantings for its strong attraction to migrating monarchs. Plants grow 30–48 inches (75–120 cm) tall and 12–18 inches (30–45 cm) wide. Rose-purple to magenta-pink flower heads in dense button-like clusters on tall spikes appear in August and September, opening from the top of the spike downward — a genus trait (most flower spikes open from the bottom up). The individual flower heads are larger (0.75–1 inch / 2–2.5 cm) than those of the more common L. spicata, creating a bolder display. The species name 'ligulistylis' describes the strap-shaped style branches. The monarch butterfly attraction is well-documented — monarch staging sites during fall migration feature massive concentrations of monarchs on L. ligulistylis plants, sometimes dozens of butterflies per spike. Moist prairie soils suit this species — more moisture-tolerant than L. spicata. Native to the Great Plains. Deer avoid the foliage.

Native Range

Liatris ligulistylis is native to central North America — the Great Plains from Alberta south to New Mexico.

Suggested Uses

Used in native plant gardens, pollinator gardens, meadows, and monarch butterfly waystation plantings. The species draws monarchs more strongly than most other native perennials. The larger flower heads are showier than L. spicata. A core species for fall monarch migration staging.

How to Identify

Identified by rose-purple button-like flower heads on tall spikes opening from the top down, with larger individual heads than L. spicata. The top-down bloom and the larger head size separate this from the more common L. spicata. The strong monarch butterfly attraction is the ecological signature.

Appearance

Size & Dimensions

Height2'6" - 4'
Width/Spread1' - 1'6"

Reaches mature size in approximately 3 years

Colors

Flower Colors

Foliage Colors

Fall Foliage Colors

Bloom Information

Bloom Period

~4 weeks
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Flowering in August and September, approximately 4 weeks. Rose-purple spikes opening top-down. Peak monarch attraction.

Detailed Descriptions

Flower Description

Rose-purple to magenta-pink, in dense button-like heads on tall spikes opening from the top down

Foliage Description

Medium green, narrow, grass-like

Growing Conditions

Sun Requirements

Requires 6-10 hours of direct sunlight daily
• Full Sun: 6+ hours of direct sunlight
• Partial Shade: 3-6 hours of direct sunlight
• Full Shade: Less than 3 hours of direct sunlight

Soil Requirements

pH Range6.0 - 7.5(Neutral)
357912
Soil Types
Drainagemoist

Water & Climate

Water Needs

Medium

Frost Tolerance

hardy

Time to Maturity

2-3 years

Drought Tolerance

Drought tolerant when established

Care & Maintenance

Care Guide

Plant in full sun. Moist to average soil — tolerates clay. More moisture-tolerant than L. spicata. Leave seed heads for goldfinches. Cut to ground in early spring.

Pruning

Leave standing through fall and winter for seed heads and wildlife. Cut to ground in late February–March.

Pruning Schedule

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early spring

Maintenance Level

very low

⚠️ Toxicity Warning

Non-toxic