Showy Persian Onion, Ornamental Allium, Showy Onion,
Blooming about two weeks earlier than the other large Alliums, Allium rosenbachianum (Showy Persian Onion) is a bulbous perennial with large, rounded umbels, 4 in. across (10 cm), packed with up to 50 deep-purple, star-shaped flowers adorned with prominent, white stamens. Blooming in late spring, the eye-catching flowers are borne on tall leafless stems above the foliage of broad, strap-shaped, gray-green basal leaves which wither as the flowers emerge. The flowers are both long-lasting and excellent as cut flowers.
| Hardiness |
6 - 9 |
|---|---|
| Heat Zones |
1 - 9 |
| Climate Zones | 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
| Plant Type | Bulbs |
| Plant Family | Amaryllidaceae |
| Genus | Allium |
| Common names | Onion, Ornamental Onion |
| Exposure | Full Sun, Partial Sun |
| Season of Interest |
Spring (Late) |
| Height |
2' - 3' (60cm - 90cm) |
| Spread |
6" - 1' (15cm - 30cm) |
| Spacing |
8" - 10" (20cm - 25cm) |
| Depth |
6" - 8" (15cm - 20cm) |
| Maintenance | Low |
| Water Needs | Average |
| Soil Type | Chalk, Clay, Loam, Sand |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Moist but Well-Drained, Well-Drained |
| Characteristics | Dried Arrangements, Cut Flowers, Fragrant, Showy |
| Tolerance | Drought, Deer |
| Attracts | Bees, Butterflies |
| Garden Uses | Beds And Borders |
| Garden Styles | Gravel and Rock Garden, Informal and Cottage |
| Hardiness |
6 - 9 |
|---|---|
| Heat Zones |
1 - 9 |
| Climate Zones | 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
| Plant Type | Bulbs |
| Plant Family | Amaryllidaceae |
| Genus | Allium |
| Common names | Onion, Ornamental Onion |
| Exposure | Full Sun, Partial Sun |
| Season of Interest |
Spring (Late) |
| Height |
2' - 3' (60cm - 90cm) |
| Spread |
6" - 1' (15cm - 30cm) |
| Spacing |
8" - 10" (20cm - 25cm) |
| Depth |
6" - 8" (15cm - 20cm) |
| Maintenance | Low |
| Water Needs | Average |
| Soil Type | Chalk, Clay, Loam, Sand |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Moist but Well-Drained, Well-Drained |
| Characteristics | Dried Arrangements, Cut Flowers, Fragrant, Showy |
| Tolerance | Drought, Deer |
| Attracts | Bees, Butterflies |
| Garden Uses | Beds And Borders |
| Garden Styles | Gravel and Rock Garden, Informal and Cottage |
How many Allium rosenbachianum (Showy Persian Onion) do I need for my garden?
| Plant | Quantity | |
|---|---|---|
| Allium rosenbachianum (Showy Persian Onion) | N/A | Buy Plants |
Create a membership account to save your garden designs and to view them on any device.
Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas.
Join now and start creating your dream garden!
Create a membership account to save your garden designs and to view them on any device.
Becoming a contributing member of Gardenia is easy and can be done in just a few minutes. If you provide us with your name, email address and the payment of a modest $25 annual membership fee, you will become a full member, enabling you to design and save up to 25 of your garden design ideas.
Join now and start creating your dream garden!
