Onion. A bulbous perennial with dark-green thread-like leaves. Small umbels of bell-shaped, blue flowers on stiff stems. Max Height 30cm. Max Spread 8cm. Flowers May to July. Full sun. Hardy. Plant in hole large enough to avoid disturbing root ball.
Allium cyaneum
A bulbous perennial with dark-green thread-like leaves. Small umbels of bell-shaped, blue flowers on stiff stems.
Additional information
| Generic | Allium |
|---|---|
| Species | cyaneum |
| Varietry | |
| Common Name | Onion |
| Flower Colour | blue |
| Soil | Fertile |
| Aspect | Full sun |
| Foliage | Deciduous |
| Height | 30cm |
| Family | Liliaceae |
| Spread | 8cm |
| Growth Speed | |
| Growth Habit | Upright |
| Fragrance | FALSE |
| Foliage Colour | green |
| Flowers From | May, July |
| Colour Fruit | |
| Fruits When | |
| Moisture | Well drained |
| Protection | |
| Hardiness | Hardy |
| Planting | Plant in hole large enough to avoid disturbing root ball |
| Care | |
| Border | Border |
| Toxicity | |
| Pruning | |
| Pruning Time | |
| Pests and diseases | |
| Maintenance | |
| Propagation |
Related products
Allium hollandicum
A bulbous perennial with strap-shaped leaves. Dense umbels of star-shaped, purplish-pink flowers.
Allium giganteum
A bulbous perennial with strap-shaped leaves. Dense ball of star-shaped, lilac-pink flowers.
Allium cepa Proliferum Group
An unusual bulbous perennial which bears small bulbs at the top of the flower stem.
Allium caeruleum
A bulbous perennial with mid-green leaves, which die back before flowering. Dense umbels of star-shaped, bright blue flowers on stiff stems.
Allium narcissiflorum
A bulbous perennial with strap-shaped, grey-green leaves. Pendent umbels, of bell-shaped purple-pink flowers.
Allium neapolitanum
A bulbous perennial mid-green leaves. Open umbels, star-like white flowers.
Allium sphaerocephalon
A bulbous perennial, mid-green leaves. Bears umbels of bell-shaped, varying from pink to dark red-brown flowers.
Allium nigrum
A bulbous perennial grey-green leaves. Flattish umbels, cup-like white flowers, sometimes pale lilac.