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Allium texanum
  • RHS Plants for pollinators

Texan allium

A bulbous perennial, forming clumps of narrow grass-like blue green foliage up to 38cm tall, with loose umbels of white star-like flowers, from late spring to early summer. The foliages dies down by late summer and regrows in late autumn

Size
Ultimate height
0.1–0.5 metres
Time to ultimate height
2–5 years
Ultimate spread
0.1–0.5 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring White Green Grey Silver
Summer White Green Blue Grey
Autumn Green Blue Grey
Winter Green Grey Silver
Position
  • Full sun
Aspect

East–facing or South–facing or West–facing

Exposure
Sheltered
Hardiness
H5
Botanical details
Family
Amaryllidaceae
Native to GB / Ireland
No
Foliage
Deciduous
Habit
Clump forming
Genus

Allium are bulbous herbaceous perennials with a strong onion or garlic scent, linear, strap-shaped or cylindrical basal leaves and star-shaped or bell-shaped flowers in an umbel on a leafless stem

Name status

Correct

Plant range
Oklahoma to C Texas

How to grow

Cultivation

Grow in well-drained soil in full sun; for more advice see allium cultivation

Propagation

Propagate by seed or by division during spring or autumn

Suggested planting locations and garden types
  • Cottage and informal garden
  • Wildlife gardens
  • Flower borders and beds
  • Wall side borders
Pruning

No pruning is required

Pests

May be susceptible to damage by slugs and snails

Diseases

May be susceptible to onion white rot and downy mildews

Get involved

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