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Repotting guide

When & how to repot Striped Squill (Puschkinia scilloides)

Also called Striped Squill, Libanotica Squill, Lebanese Squill.

More about striped squill

About Striped Squill

Puschkinia scilloides · also called Striped Squill, Libanotica Squill · flowering

A compact, early-spring bulb bearing pale blue-white flowers, each petal striped with a deeper blue central line. Native to the Caucasus, Lebanon, and northern Iran, Striped Squill naturalises readily in lawns and rock gardens. Plant bulbs in autumn for carefree spring colour; tolerates cold, drought in dormancy, and light competition from grass.

Mature size: 10–20 cm (4–8 in) tall in flower; leaves spread 5–8 cm (2–3 in)

How to tell striped squill needs repotting

Repotting on a calendar is less reliable than reading the plant. For striped squill, watch for these signs:

For the underlying biology of a pot-bound root system and why it stalls a plant, see our guide to spotting and fixing a root-bound plant.

How often to repot striped squill

Lift and divide every 3–4 years once clumps congest. Rather than a true repot, striped squill is lifted and divided once the clump congests and flowering drops off. Small clump-forming bulb; produces 2 strap-like basal leaves and a raceme of 4–12 flowers per stem. Spreads by offsets and self-seeding to form naturalised colonies..

What size pot to step striped squill up to

Pot size matters less than depth and spacing here. When you replant striped squill, set the bulbs or tubers at the correct depth (a rough guide: two to three times their own height of soil over the top) and space them so they are not touching. A wide, shallow pot suits a clump better than a tall narrow one.

Not sure of the exact diameter? Our pot size calculator takes the current pot and root spread and tells you the right next size — it deliberately recommends a single step up, never a big jump.

The best time of year to repot striped squill

The only safe window is dormancy: wait until the foliage has yellowed and died back naturally, lift and divide then, and replant before or at the start of the next growing season. Disturbing striped squill in full growth or flower sets it back badly.

Step-by-step: repotting striped squill

  1. Wait for dormancy. Let striped squill foliage yellow and die back completely. Lifting while it is in growth wastes the energy it is storing for next year.
  2. Lift carefully. Loosen the soil well away from the bulbs/tubers with a fork and ease the whole clump out without spearing them.
  3. Separate the offsets. Gently pull the clump apart into individual bulbs or tubers. Keep only firm, healthy, blemish-free ones.
  4. Replant at the right depth. Reset them in fresh well-drained, moderately fertile loam or gritty soil at the correct depth and spacing — not touching — so each has room to bulk up.
  5. Water in and rest. Water once to settle them, then keep on the dry side until growth resumes. Do not feed until leaves are actively growing.

Aftercare

After replanting striped squill, keep the soil barely moist — not wet — until shoots appear; bulbs and tubers rot in cold, saturated soil. Once leaves are growing strongly, resume normal watering. Hold off feeding until the plant is in active growth again.

The right soil mix for striped squill

Striped Squill wants well-drained, moderately fertile loam or gritty soil. Tolerates most soil types including alkaline chalk soils, provided drainage is good. Prefers a neutral to slightly alkaline pH (6.5–8.0). Amend heavy clay with coarse grit. Naturalises well in thin lawn turf without enrichment. Always use fresh mix when you repot — reusing old, broken-down soil reintroduces the compaction and poor drainage you are repotting to fix.

Repotting striped squill — frequently asked questions

How often should you repot striped squill?

Lift and divide every 3–4 years once clumps congest for striped squill. Striped Squill is lifted and divided, not "repotted". Every 3–4 years, once the foliage has died back and it is dormant, lift the clump, separate the offsets, and replant at the correct depth in well-drained, moderately fertile loam or gritty soil. Crowding, not pot size, is what reduces flowering over time.

What size pot does striped squill need?

Pot size matters less than depth and spacing here. When you replant striped squill, set the bulbs or tubers at the correct depth (a rough guide: two to three times their own height of soil over the top) and space them so they are not touching. A wide, shallow pot suits a clump better than a tall narrow one. Use our pot size calculator to size it from the plant's current pot and root spread.

When is the best time of year to repot striped squill?

The only safe window is dormancy: wait until the foliage has yellowed and died back naturally, lift and divide then, and replant before or at the start of the next growing season. Disturbing striped squill in full growth or flower sets it back badly.

Do you "repot" striped squill, or lift and divide it?

You lift and divide it. Striped Squill grows from bulbs or tubers, so instead of repotting you wait for dormancy, lift the congested clump, separate the healthy offsets, and replant them at the right depth and spacing. Doing this every 3–4 years restores flowering.

Should you fertilise striped squill after repotting?

Hold off feeding striped squill until it is in active growth again. Fresh soil already carries enough nutrients to get it re-established, and feeding disturbed roots too soon does more harm than good.

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