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Amaryllidaceae
Allium obliquum
Allium obliquum
Also known as Cepa obliqua, Moenchia obliqua, Allium exaltatum, Geboscon obliquum
Zones 5–10Sun Partial SunWater ModerateCare Low
Edibles & Herbs · Native Plants · Ornamental Allium · Bulb · Temperate · Cold Hardy · Partial Shade · Central Asia · Border Plant · Allium · Perennial · Wildflower
Beginner-friendlyCulinaryAttracts pollinators
In stock at 1 nurseryStock updated 9/6/2026
Allium obliquum is a cold-hardy ornamental onion native to Central Asian steppes that grows well in temperate gardens with partial shade to full sun. It requires little maintenance once established and benefits from well-draining soil; allow the surface to dry slightly between waterings. The attractive upright foliage and globe-shaped flower heads make it a subtle but charming addition to borders and rock gardens.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water moderately, keeping soil evenly moist but never waterlogged · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 5a-10b
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Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 10 in
- Spacing
- 8 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Altay, East European Russia, Kazakhstan, Kirgizstan, Krasnoyarsk, Mongolia, Romania, South European Russi, West Siberia, Xinjiang
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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