Allium texanum

RHS Plant Profile
Texan allium
Plants for pollinators
Bulbs

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

Position

Full sun

Soil Types

Chalk, Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
2–5 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Chalk Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered
Hardiness
H5

Colour & Scent

Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

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