Herbs

Allium senescens subsp. glaucum

Curly chives

Also known as: Corkscrew onion · German garlic

Allium senescens subsp. glaucum foliage; the garden label uses the synonym var. glaucum.

Twisted gray-green leaves form a neat, low clump, topped by pink flowers from summer into early fall. This ornamental onion adds unusual texture to rock gardens, sunny edging and containers. Grow in well-drained chalk, loam or sand.

At a glance

Sun: Full sun
Mature size: About 8 in. tall × About 10 in. wide
Water: Well-drained soil
Hardiness: RHS H6 (UK rating; −4–5°F)
Life cycle: Deciduous perennial
Bloom: Pink; summer to early fall.

Sizes & prices

4.5''$5.49

Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Resistance & tolerances

Drought: Tolerates drought.
Wet soil: Provide drainage; avoid waterlogged roots.

Seasonal interest

Form: Clump-forming, with curled foliage.

Growing & care

Pruning: No routine pruning required.
Division: Divide in spring or fall.
Winter: Deciduous; RHS winter rating describes UK conditions, not a Kentucky survival guarantee.

No regular pruning needed; divide clumps in spring or fall.

Sources & photo credits

Royal Horticultural Society

Photo: Chhe · Public domain

Image notes: Allium senescens subsp. glaucum foliage; the garden label uses the synonym var. glaucum. Uncropped.

Reviewed 2026-09-29. Growing conditions vary by location.