bulb corm tuber RHS Award

Tubergen Squill

Scilla mischtschenkoana

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Bulb Corm Tuber

Height

4 inches

Width

4 inches

Light

Full Sun, Partial Sun, Shade

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Caucasus, Northern Iran

Toxicity

Toxic if ingested

The Story

Plant Bio

Scilla mischtschenkoana, commonly known as Tubergen Squill, is a small, very early blooming bulbous perennial. It produces clusters of star-shaped, pale blue or white flowers, each with a darker blue stripe down the petal. This species is notable for its ability to naturalize and form a carpet of blooms in spring.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides early spring color with charming blue flowers that brighten shaded garden areas.

Naturalizes easily, creating a low-maintenance, perennial groundcover.

Supports early pollinators like bees emerging in spring.

Marketplace

Where to Buy

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Planting

How to Grow

Tuck bulbs 3 inches deep in well-draining soil in fall.
Water thoroughly after planting to settle soil.
Mist foliage regularly during early growth in spring.
Provide partial to full sun for optimal flowering.
Apply a balanced fertilizer in early spring for best blooms.
Divide clumps every 3-4 years to maintain vigor.

Pro Tip

Plant bulbs in a shady spot with moist, well-draining soil for best results.

Keep It Thriving

Care Guide

Do

Water regularly during active growth 🌱
Mulch to retain moisture and suppress weeds
Fertilize in early spring for vibrant blooms

Don't

Avoid overwatering which can cause bulb rot ❌
Don’t disturb bulbs when foliage is green
Skip heavy fertilization late in the season

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Divide
Fertilize
Plant

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Early spring woodland borderShaded rock garden accentUnderstory planting for early color

Companion Plants

Ferns Hostas Snowdrops Crocuses Primroses

Multiply

Propagation Methods

Good to Know

Common Questions

Tubergen Squill questions

What zones can Tubergen Squill grow in?

Tubergen Squill is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Tubergen Squill deer resistant?

Yes — Tubergen Squill is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Tubergen Squill bloom?

Tubergen Squill typically blooms in early spring through mid-spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Tubergen Squill need full sun?

Tubergen Squill does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Tubergen Squill drought tolerant?

Yes — once established (usually after the first full season), Tubergen Squill handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.