Windy City Allium

Globe-shaped violet-purple blooms rise on sturdy 18" stems in late spring, naturally deer-resistant and irresistible to pollinators. A standout in sunny mixed borders. (Allium hybrid 'Windy City' PP28100)

$26.12

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Allium ‘Windy City’ is a compact, clump-forming ornamental onion prized for its rosy-purple globe-shaped flowers, upright grassy foliage, and tough, weatherproof habit. Bred specifically for landscape performance and pollinator appeal, this cultivar is perfect for sunny borders, modern perennial plantings, and low-maintenance gardens.

In stock (299)

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Growing Information

Growing zone guide

Growing Zone Zone 4, Zone 5, Zone 6, Zone 7, Zone 8

Sunlight Bright light

Type of Soil Neutral to alkaline

Mature Height 20 to 24 inches

Maintenance Level Low maintenance

Water Requirement Low watering (once every 2 weeks)

Learn more about this plant

Additional Information

Growth Rate	– Moderate; clumps will slowly enlarge.
Colorful Leaves	No
Flowering	Yes
Bloom Color	Purple & Lavender
Ornamental Berries	N/A
Disease resistant	Yes
Cold Tolerant	Yes
Heat Tolerant	Yes
Drought Tolerant	Yes
Deer Resistant	Yes
Edible	No
Wildlife Attraction	– Highly attractive to pollinators; excellent bee plant. – Deer and rabbit resistant.
Self-pollinating	Cross-pollinating
Seasonality	– Spring foliage, summer bloom, seed heads in fall, dormant in winter.
Ideal For	– Rock gardens – perennial borders – pollinator gardens – mass planting – cut flower arrangements
Leaf Description	– Narrow, upright, green strap-like foliage. – May fade after flowering.
Flower Description	– Round lavender-purple globes on 12–18 inch stems. – Flowers in mid to late summer, lasting weeks.
Pruning & Maintenance	– Deadhead or leave seed heads for late-season interest. – Remove yellowing foliage in late summer.
Water Needs	– Low once established. – Prefers dry summers and resents wet winter soils.
Light Needs	– Requires full sun to bloom strongly and avoid flopping.
Harvesting	– Excellent for fresh or dried floral arrangements.
Fertilizing	– Add bulb fertilizer or compost at planting and again in spring.
Additional Care Tips	N/A
Pollination	– Pollinated by bees, hoverflies, and butterflies. – Self-fertile and ornamental.
Companion Plants	– Nepeta, Salvia, Sedum, Perovskia, Echinacea, Gaillardia. – Looks great with fine grasses like Stipa tenuissima or Festuca.