Tree Onion. An unusual bulbous perennial which bears small bulbs at the top of the flower stem. Max Height 1m. Max Spread 10cm. Flowers June to July. Full sun. Hardy.
Allium cepa Proliferum Group
An unusual bulbous perennial which bears small bulbs at the top of the flower stem.
Additional information
| Generic | Allium |
|---|---|
| Species | cepa |
| Varietry | Proliferum Group |
| Common Name | Tree Onion |
| Flower Colour | white |
| Soil | Fertile |
| Aspect | Full sun |
| Foliage | Herbaceous |
| Height | 1m |
| Family | Liliaceae |
| Spread | 10cm |
| Growth Speed | |
| Growth Habit | Upright |
| Fragrance | FALSE |
| Foliage Colour | green |
| Flowers From | June, July |
| Colour Fruit | |
| Fruits When | |
| Moisture | Well drained |
| Protection | |
| Hardiness | Hardy |
| Planting | |
| Care | |
| Border | Border |
| Toxicity | |
| Pruning | |
| Pruning Time | |
| Pests and diseases | |
| Maintenance | |
| Propagation |
Related products
Allium cristophii
A bulbous perennial with grey-green leaves. Large umbels of star-shaped, pink-purple flowers on stiff stems. Leaves die down before flowers.
Allium sphaerocephalon
A bulbous perennial, mid-green leaves. Bears umbels of bell-shaped, varying from pink to dark red-brown flowers.
Allium senescens
A bulbous perennial, mid-green leaves. Bears dense umbels, cup-shaped pale pink-purple flowers.
Allium neapolitanum
A bulbous perennial mid-green leaves. Open umbels, star-like white flowers.
Allium hollandicum ‘Purple Sensation’
A bulbous perennial with strap-shaped leaves. Dense umbels of star-shaped, violet-purple flowers.
Allium schubertii
A bulbous perennial, bright-green leaves, that die back before flowering. Bears umbels, star-shaped pale purple flowers.
Allium carinatum ssp. pulchellum f. album
A bulbous perennial with evergreen mid-green leaves. Loose umbels of bell-shaped, white flowers on stiff stems. Spreads rapidly.
Allium cyaneum
A bulbous perennial with dark-green thread-like leaves. Small umbels of bell-shaped, blue flowers on stiff stems.