Allium sphaerocephalon
round-headed leek or round-headed garlic
This perennial dies back to below ground level each year in autumn, then fresh new growth appears again in spring.
- Position: full sun
- Soil: fertile, well-drained soil
- Rate of growth: average
- Flowering period: July to August
- Hardiness: fully hardy
- Bulb size: 5/-
- Garden care: Bulbs can be planted 15cm deep and 15cm apart. Pot-grown plants can be enjoyed as they are while in bloom, but as the flowers fade, they should either be potted up or planted out in the garden. Avoid excessive mositure when the plants become dormant (from late summer) and lift and divide over-large clumps in autumn or spring.
A gorgeous allium with small, egg-shaped flowerheads, that top tall, slender stems in mid- to late summer. Planted en-masse in a border, these diminutive claret-coloured flowers look great emerging from a screen of foliage, or against a backdrop of then the flowers gently fade as summer comes to a close.
- Pets: TOXIC if eaten; Humans: Ornamental bulbs - not to be eaten
Goes well with...
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Hefty bulb planter - Crocus by DeWit
small
-
Agastache 'Blue Fortune'
Mexican giant hyssop
2 litre pot
-
Geranium × johnsonii 'Johnson's Blue'
cranesbill
2 litre pot
-
Iris 'Superstition'
bearded iris
9cm pot
-
Achillea millefolium 'Lilac Beauty'
yarrow
9cm pot
-
Campanula lactiflora 'Prichard's Variety'
milky bellflower ( syn. Campanula Pritchard's Variety )
9cm pot
-
Empathy RHS rootgrow
360g
-
Bulb planting auger - long
small
-
Bulb/peony support - pewter
Ø62 × H39cm
-
Bulb planting auger - short
medium