Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Oblique Onion

Allium obliquum

Also called Twisted Leaf Garlic

Oblique Onion
Photo: Epibase, CC BY-SA 3.0

Allium obliquum is a Eurasian wild onion, a bulbous geophyte grown as an ornamental for its yellow flower heads. It thrives in full sun and well-drained soil, and is hardy in cold winters.

Family
Amaryllidaceae (Daffodil & onion family)
Grows as
Bulb
Light
Full sun
Water
Water during spring growth and let the soil dry out in summer dormancy.
Soil
Free-draining, fertile or average garden soil; sandy loam is ideal.
Temperature
Hardy to around -20 °C; tolerates cold winters, needs a dry summer rest.
How easy
Easy
Edible
Yes, some parts
Native range
C. Romania to Mongolia
Climate
temperate

About

Allium obliquum, common name lop-sided onion or twisted-leaf onion, is a Eurasian species of wild onion with a range extending from Romania to Mongolia. It is also widely cultivated elsewhere as an ornamental.

Allium obliquum produces an egg-shaped bulb up to 3 cm long. Scape is up to 100 cm tall, round in cross-section. Leaves are flat, shorter than the scape, up to 20 mm across. Umbels are spherical, with many yellow flowers crowded together.

Other Allium plants

South Idaho onion · Abrams' allium · Allium aciphyllum · Tapertip onion · Allium aeginiense · Allium aflatunense · Allium agrigentinum · Allium alabasicum · Allium albotunicatum · Allium alibile · Altai Onion · Allium altissimum

Text excerpted from the Wikipedia article Allium obliquum by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…