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Bulbs

Scilla hyacinthoides 'Blue Arrow'

A perennial bulb, up to 1m high in flower, with strap-shaped green leaves. Upright stems bear tall, loose clusters of small, starry, pale violet-blue flowers, opening in sequence from the base to the tip, from late spring to early summer

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Plant nurseries
4 suppliers

Ultimate height

0.5–1 metres

Time to ultimate height

2–5 years

Ultimate spread

0.1–0.5 metres

Chalk

Loam

Sand

Moisture

Moist but well–drained

pH

Acid, Alkaline, Neutral

	Stem	Flower	Foliage	Fruit
Spring
Summer
Autumn
Winter

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)

Botanical details

Family: Asparagaceae
Native to the UK: No
Foliage: Deciduous
Habit: Clump forming, Columnar upright
Potentially harmful: Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Ornamental bulbs - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers
Genus: Scilla are perennial bulbs with narrow basal leaves and erect stems bearing racemes of star-shaped, flat or bell-shaped flowers which are often blue
Name status: Accepted

How to grow

Cultivation

Thrives in moist but well drained soil in full sun. Suitable for naturalising in grass or a gravel garden. Plant bulbs two to three times their depth. See bulb cultivation and bulbs: naturalising

Propagation

Propagate by division, separating offsets when plants are dormant in summer. See bulb propagation

Suggested planting locations and garden types

City and courtyard gardens
Cottage and informal garden
Gravel garden
Low Maintenance
Flower borders and beds
Wall side borders

Pruning

No pruning required

Pests

Generally pest-free

Diseases

May be susceptible to anther smuts and virus diseases

Get involved

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