Allium senescens (also called German garlic)
Hardy bulbous perennial grown for dense umbels of pale lavender-pink flowers and twisted, glaucous, grey-green leaves. Often confused with A. montanum, which is very similar but shorter. Good for alpine and gravel gardens, being drought tolerant. Easy to grow in fertile well-drained soil.
Very attractive to butterflies, moths, beetles, bees and hoverflies.
Flowers from early to late summer.
Habit - upright. H: up to 25cm, S: 5cm.
Stems - slender, straight to slightly lax. Lightly ridged, pale grey-green.
Leaves - short, strap-shaped, growing from the base of the plant in a twisted fan pattern. The colour is a dusty, glaucous, grey-green.
Flowers - pale lavender-pink, cup-shaped, flowers are borne in dense spherical umbels.
Well drained, light. Add grit if grown in clay soil.
Lift and divide congested clumps every three to four years in autumn.
Generally pest free but can be affected by onion white rot and downy mildew.
Sow seed in spring, in a cold frame. Prick out three seedlings to a pot to get a clump forming more quickly.
Garden Plant Information list of plant care info by botanical name