Little bluestem (Schizachyrium scoparium)

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Little bluestem

Habit (mature) · David J. Stang / Wikimedia Commons · CC BY-SA 4.0

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Little bluestem

Schizachyrium scoparium

A compact native warm-season grass — Perennial Plant Association 2022 Plant of the Year — with blue-green summer foliage that turns copper for fall and winter and serves as a larval host for many butterflies.

Native: 44 US states + 4 CA provinces

Review: Source-backed

Climate fit: broad (90/100)

Structure

Pollinator

Light

Full sun

Water

Low water

Mature size

24-48" tall · 18" apart

Hardy in zones

3a-9b

brutally cold to frosty winters

Summer heat range

Mild-Extreme

mild to extreme summers Interim Plotwright tier until the plant AHS range is authored.

Native in Illinois

Yes

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Acid-soil care

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Soil testing and pH

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Wildlife protection

Bird netting, deer fencing, rabbit guards, trunk guards, and crop covers.

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Transplanting and establishment

Trowels, transplant spades, starter fertilizer, root stimulators, and watering bags.

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Pruning and deadheading

Pruners, snips, loppers, pruning saws, sharpening tools, and cut-flower shears.

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A documented larval host for the Skipper butterflies — specialist wildlife that depend on plants like this to reproduce.

Wildlife relationships

Cold hardiness

Now

Zone 6b

USDA

Chicago, IL · 1991-2020 average annual coldest day

Source: USDA Plant Hardiness Zone Map 2023 (1991-2020 climatology) via ArcGIS FeatureServer

Well-suited

2050

Zone 7b

Plotwright

Your zone + climate-model shift · SSP3-7.0 (regional rivalry)

Well-suited

In plain terms: cold winters — coldest nights typically around -3°F.

✓

Well-suited today and still thriving in 2050.

Heat tolerance

°C

°F

Loading current AHS heat-zone and plant heat-fit data at your coordinates…

Where this plant fits

Suitable across 41 ecoregions — 40 climate-resilient through 2070 · 1 suited today. Best matches first.

Appalachian mixed mesophytic forests

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Appalachian-Blue Ridge forests

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Arizona Mountains forests

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Atlantic coastal pine barrens

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Blue Mountains forests

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Canadian Aspen forests and parklands

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Central Pacific Northwest coastal forests

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Central Tallgrass prairie

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Central-Southern Cascades Forests

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Chilean Matorral

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Appears in collections

Collection · 8 plants

Climate-resilient natives for warming zones (eastern NA)

A pollinator-supporting palette of eastern NA natives whose USDA zone range and broad continental distribution score high on the climate-resilience composite. Every plant tolerates 6-7 USDA zones and is native across 15+ US states + multiple Canadian provinces. Holds up under the SSP3-7.0 mid-century projection without the gardener trading wildlife value for resilience.

Switchgrass

Little bluestem

Common milkweed

Black-eyed Susan

Wild bergamot

Sweet Joe-Pye weed

Cutleaf coneflower

New England aster

Collection · 9 plants

Native pollinator border (eastern US)

A continuous-bloom native pollinator strip for eastern North America. Covers spring through frost with host + nectar plants spanning monarchs, native bees, hummingbirds, and specialist Lepidoptera. Little bluestem provides the matrix grass + Hesperiidae host.