Thimbleweed
Anemone cylindrica

Quick-Care Snapshot
Height: 12-24
Spread: 12-18
Growth Rate: Medium
Maintenance: Low
USDA Zones: 3-8
Sunlight: Full Sun, Part Sun
Soil Type: Sand, Loam, Clay
Moisture: Dry, Medium
Bloom Time: Jun, Jul
Bloom Color: White
Flower Shape: Composite
Foliage Color: Green
Wildlife Value: Pollinators, Birds, Butterflies
Native Range: Michigan, Great Lakes, Midwest
Overview
Thimbleweed (Anemone cylindrica) is a clump-forming native perennial for sunny, well-drained sites. Upright stems carry simple white blooms in early–midsummer that mature into the namesake thimble-like seed heads. It’s drought-tolerant once established, long-lived, and an easy fit for prairie-style borders, meadows, and dry edges.
Why You’ll Love It
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Low-maintenance: thrives in sun and lean, well-drained soils.
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Pollinator-friendly: summer flowers support bees and beneficial insects.
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Four-season interest: architectural seed heads and tidy winter form.
Ideal Site & Soil
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Sun first: full sun is best; light afternoon shade is fine in hot sites.
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Soil & drainage: prefers dry–medium, well-drained soil; excels in sandy or rocky loam; avoid chronically wet spots.
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Heavy soil? Plant on a berm/raised bed and amend with coarse grit for faster drainage.
Planting Steps
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From pots/divisions: set crown at soil line, backfill, and water to settle; space for mature width and airflow.
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From seed: fall-sow outdoors or cold-stratify before spring sowing; keep evenly moist until established (bloom often in year two).
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Establishment: regular water the first season; taper as roots deepen.
Care Routine
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Watering: minimal after establishment—supplement only during extended drought.
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Feeding: skip high nitrogen; rich soil can lead to flop.
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Grooming: leave seed heads for texture, or deadhead to reduce self-sowing.
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Division: every 3–4 years in spring/fall if clumps thin or to increase stock.
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Pests/disease: few; good sun and drainage keep foliage clean.
Design & Companions
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Texture contrast: pair upright, fine foliage with broader perennials like Purple Coneflower (Echinacea purpurea) and Foxglove Beardtongue (Penstemon digitalis).
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Grass matrix: weave through Little Bluestem (Schizachyrium scoparium), Prairie Dropseed (Sporobolus heterolepis), and June Grass (Koeleria macrantha) for a resilient, naturalistic look.
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Seasonal flow: lead with Prairie Smoke (Geum triflorum) and Wild Lupine (Lupinus perennis); carry summer with Butterfly Weed (Asclepias tuberosa) and Black-eyed Susan (Rudbeckia hirta); finish with fall Asters (Symphyotrichum spp.).
Common Mistakes
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Too wet: weak growth and root issues—improve drainage or relocate.
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Too shady: fewer flowers and floppy stems—move to brighter exposure.
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Overfeeding: lush, lax growth—avoid high-nitrogen fertilizers.
Quick Troubleshooting
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Flopping stems: increase sun, reduce nutrients, and avoid overwatering.
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Sparse bloom: ensure full sun and well-drained soil; avoid summer drought stress in the first year.
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Unwanted seedlings: deadhead before seed dispersal.
Where It Fits Best
Sunny borders, prairie/meadow plantings, rock gardens, hellstrips, and dry slopes: anywhere you want durable structure, summer bloom, and low inputs.



