Allium 'Guna'

John Fielding

Bulbs

Bulbous perennial producing short-lived, strap-shaped, mid-green leaves and large, densely-packed, spherical heads of purple-pink, star-shaped flowers, on straight stems to 1.2m tall in June. The foliage is often wilting and turning brown when the flowers appear, and for best visual effect the bulbs should be sited so that adjacent plants can grow to conceal the leaves as they die back. The flowers are extremely attractive to bees and other pollinating insects, making the plant a wonderful addition to a wildlife garden.

Position

Full sun

Soil Types

Chalk, Loam, Sand

Max Height

1-1.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity: 1–2 years
Max Spread: 0.1-0.5 metres
Max Height: 1-1.5 metres

Growing Conditions

Chalk Loam Sand

Moisture: Moist but well–drained or Well–drained
pH: Acid or Alkaline or Neutral

Position

Full sun

Aspect: South–facing or West–facing
Exposure: Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

H1A: under glass all year (>15C)
H1B: can be grown outside in the summer (10 - 15)
H1C: can be grown outside in the summer (5 - 10)
H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
H4: hardy through most of the UK (-10 to -5)
H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
H6: hardy in all of UK and northern Europe (-20 to -15)
H7: hardy in the severest European continental climates (< -20): H5

Colour & Scent

Fragrance Foliage

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: Unresolved

How to Grow

Cultivation

Easy to grow in full sun and a fertile well-drained soil. It is best to grow in containers where garden soil is heavy clay and prone to saturation over winter. See allium cultivation

Propagation

Propagate by offsets to obtain plants the same as the mother bulb, which can be carefully detached by lifting the bulb after flowering has finished. See bulb propagation. Propagation by seed may not produce plants that are true, as this is a hybrid plant

Suggested planting locations and garden types

Cottage and informal garden
Patio and container plants
Wildlife gardens
City and courtyard gardens
Cut flowers
Flower borders and beds

Pruning

No pruning required, other than to remove old flowered stems and foliage

Pests

May be susceptible to slugs, snails and allium leaf miner

Diseases

May be susceptible to onion white rot, and onion downy mildew