Scilla persica is a graceful spring-flowering bulb producing airy stems covered with numerous star-shaped, pale blue flowers. The loosely branched flower heads give the plant a light, delicate appearance and make an attractive contrast to the denser flower spikes of many other spring bulbs.
Flowering during April and May and reaching approximately 20-30cm tall, Scilla persica is best grown in a warm, sunny position with excellent drainage. It is particularly well suited to rock gardens, gravel beds, raised borders and other places where the bulbs can enjoy plenty of summer warmth.
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Botanical name: Scilla persica
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Common name: Persian Squill
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Plant type: Bulbous perennial
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Flower colour: Pale to light blue
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Flowering time: April-May
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Height: Approximately 20-30cm
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Spread: Approximately 10-15cm per established bulb
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Position: Full sun
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Soil: Fertile, very well-drained soil
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Ideal for: Rock gardens, gravel gardens, raised beds and sunny borders
About Scilla persica
Scilla persica has a distinctly airy habit. Rather than producing a tightly packed flower spike, the flowering stems branch to carry numerous small, open blooms. Each flower consists of narrow pale blue tepals arranged into a neat star, creating a soft haze of colour above the foliage.
The flowers are particularly attractive viewed at close range, but a group of bulbs also creates an elegant effect from a distance. Their cool blue colouring combines easily with white, yellow and deeper blue spring flowers.
Flowering in April and May
The blooms appear during April and May, providing colour towards the middle and latter part of the spring bulb season. The individual flower stems rise to around 20-30cm, making the plant tall enough to show above low ground cover without becoming dominant.
For the strongest display, plant several bulbs together in informal groups. The open flower heads allow neighbouring plants to remain visible, making Scilla persica especially useful in naturalistic and gravel-style planting.
Where to Plant Scilla persica
This species prefers a warm, sunny position. A south-facing border, rock garden or raised bed is particularly suitable, especially where the soil warms quickly in spring and remains relatively dry during summer.
Excellent drainage is important. Avoid heavy ground that stays wet for long periods, particularly during the dormant season. On clay soils, incorporate horticultural grit or plant the bulbs in a raised area where excess water can drain away.
How to Plant Scilla persica Bulbs
Plant the bulbs in autumn with the pointed growing tip facing upwards. A depth of approximately 8-10cm is suitable, with around 10cm between bulbs when planting in groups.
Once planted, water if the soil is particularly dry, then allow the bulbs to settle naturally. Established plants are generally best left undisturbed.
Height and Spread
Scilla persica grows approximately 20-30cm tall with an individual spread of around 10-15cm. Bulbs may gradually increase to form somewhat broader clumps when grown in suitable conditions.
Growing in Containers
The compact size also makes Scilla persica suitable for pots and alpine containers. Use a very free-draining compost with added grit and place the container somewhere sunny.
Several bulbs can be planted together to create a fuller display. Containers are also useful in gardens with heavy soil because drainage can be controlled much more easily.
After Flowering
After the flowers have faded, allow the foliage to remain until it naturally yellows and dies back. The leaves continue feeding the bulb and store energy for the following year's growth.
Once dormant, the bulbs benefit from comparatively dry conditions. Avoid excessive summer watering over the planting area.
Why Grow Scilla persica?
- Delicate star-shaped pale blue flowers
- Light, airy branched flower stems
- Flowers during April and May
- Compact height of 20-30cm
- Spread of approximately 10-15cm
- Excellent for sunny rock gardens
- Ideal for gravel gardens and raised beds
- Can also be grown in containers
- Combines easily with other spring bulbs
Frequently Asked Questions
When does Scilla persica flower?
It normally flowers during April and May.
How tall does Scilla persica grow?
Flowering plants reach approximately 20-30cm tall.
What is the spread of Scilla persica?
Allow around 10-15cm for each established bulb. Clumps may gradually become broader over time.
Does Scilla persica prefer sun or shade?
It prefers a warm position in full sun and performs best where it receives plenty of light and summer warmth.
What type of soil does it need?
Choose fertile but very well-drained soil. Rock gardens, gravel beds and raised borders are particularly suitable.
Can Scilla persica be grown in pots?
Yes. It grows well in containers provided the compost drains freely and the pot is placed somewhere sunny.
Should the foliage be removed after flowering?
No. Allow the leaves to yellow and die back naturally so they can replenish the bulb for the following year.
With its airy stems of starry pale blue flowers and compact spring habit, Scilla persica is an unusual and elegant bulb for warm, sunny, well-drained parts of the garden.
