Ornamental Onion Allium oreophilum (A. ostrowskianum)
Other plants called Ornamental Onion:
- Phonetic Spelling
- AL-ee-um or-ee-oh-FY-lum
- This plant has low severity poison characteristics.
- See below
Allium oreophilum (A. ostrowskianum) flowers in spring (May-June) and lasts 2-3 weeks. The plant is 10-12 inches tall with a loose umbel of red flowers. It reproduces by annual daughter bulb replacement and requires a warm (68 to 73 degrees F) to cool (28 to 35 degrees F) to warm (55 to 65 degrees F) annual thermoperiodic cycle. Allium oreophilum (A. ostrowskianum) tolerates summer drought, but keep it moist during growing season. The plant is normally not susceptible to animals. Allium oreophilum (A. ostrowskianum) is a bulbous herb with characteristic onion or garlic odor.
Season: Plant in fall, flowers in late spring
Light: Full sunlight to PM only sunlight
Space: 2-3 in. apart, 15-25 per sq. ft.
Depth: 5 in. to base of the bulb
Organ: Tunicated bulb (also is a spring bulb and a perennial bulb)
Hardiness: Hardy III- Injured at temperatures below 5 degrees F (-15 degrees C) when planted
Found in: Forest and natural areas, as native herbaceous plants; landscape as cultivated perennial; weedy in disturbed areas
- Country Or Region Of Origin:
- East Turkestan
- Particularly Resistant To (Insects/Diseases/Other Problems):
- normally not susceptible to animals, drought
- EDIBLE PARTS: Leaves, bulbs, and bulblets. Field garlic (A. vineale) is too strong for most tastes. HARVEST TIME: Only collect plants from areas you know have NOT been treated with pesticides. Gather leaves during spring and fall. Gather bulbs in the second year when they are large enough to use like cultivated onions. Flower stem bulblets are collected during the summer. SAFE HANDLING PROCEDURES: Wash leaves, bulbs and bulblets in warm water to remove dirt and debris. Do not use dish detergent or any type of sanitizer. These products can leave a residue. Use as domestic onions, for seasoning, or raw in salads. Bulbs can be used raw, boiled, pickled, or for seasoning. Their strong taste can be reduced by parboiling and discarding the water. To freeze onions or garlic, one should coarsely chop, blanch two minutes, drain, pat dry, and place them into plastic bags. The bulbs can also be dried for use as seasoning. Use flower bulbs to flavor soup or for pickling.
Whole Plant Traits:
- Plant Type:
- Full sun (6 or more hours of direct sunlight a day)
- Available Space To Plant:
- Less than 12 inches
- Flower Color:
- Flower Inflorescence:
- Flower Value To Gardener:
- Flower Bloom Time:
- Flower Description:
- Flower blooms in late spring (May/ June). Flowers are small, 6-parted, and in a cluster at the top of a naked stem. Allium oreophilum (A. ostrowskianum) flowers in spring (May-June) and lasts 2-3 weeks. The plant is 10-12 inches tall with a loose umbel of red flowers. The plant smells of onions or garlic.
- Leaf Value To Gardener:
- Hairs Present:
- Leaf Description:
- Leaves are long, slender, flat or cylindrical and hollow. The plant smells of onions or garlic.
- Stem Is Aromatic:
- Landscape Location:
- Landscape Theme:
- Drought Tolerant Garden
- Rock Garden
- Design Feature:
- Resistance To Challenges:
- Poison Severity:
- Poison Symptoms:
- CAUSES ONLY LOW TOXICITY IF EATEN. Poisonous if ingested. Symptoms may include nausea, vomiting, and diarrhea. (Poison parts: All parts; bulbs, bulblets, flowers, and stems)
- Poison Toxic Principle:
- Causes Contact Dermatitis:
- Poison Part: