bulb corm tuber

Tommasini's Crocus

Crocus tommasinianus

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Essentials

At a Glance

Plant Type

Bulb Corm Tuber

Height

4 inches

Width

3 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Southeastern Europe

Toxicity

Corms are toxic if ingested

The Story

Plant Bio

Crocus tommasinianus is a small, perennial bulbous plant known for its early blooming flowers that often appear even through snow. Often referred to as Tommasini's crocus, it is one of the first crocuses to bloom, known for its vibrant purple color and ability to naturalize.

Bloom Period:

EarlyLate

Uses & Benefits:

Provides early spring color and naturalizes well in lawns and borders.

Easy to grow with minimal maintenance, ideal for rock gardens and woodland settings.

Supports early pollinators like bees emerging in spring.

Marketplace

Where to Buy

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Planting

How to Grow

Tuck corms 3 inches deep in well-drained soil in fall.
Water sparingly during dormancy to prevent rot.
Place in full sun for optimal blooming.
Allow foliage to die back naturally after flowering.
Divide corms every 3-4 years for best performance.
Apply a light layer of mulch in winter for protection.

Pro Tip

Plant corms in clusters for a natural woodland effect and vibrant spring display.

Keep It Thriving

Care Guide

Do

Water during active growth in spring 🌱
Fertilize with a balanced bulb fertilizer in fall
Allow foliage to yellow naturally before removal

Don't

Don’t overwater in summer ❌
Avoid planting in poorly drained soil
Don’t cut back foliage until it has yellowed

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Spring-blooming perennial borderNaturalized meadow patchRock garden accent

Companion Plants

Snowdrops Scilla Chionodoxa Crocus vernus

Multiply

Propagation Methods

Good to Know

Common Questions

Tommasini's Crocus questions

What zones can Tommasini's Crocus grow in?

Tommasini's Crocus 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 Tommasini's Crocus deer resistant?

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

When does Tommasini's Crocus bloom?

Tommasini's Crocus 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 Tommasini's Crocus need full sun?

Tommasini's Crocus does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Tommasini's Crocus drought tolerant?

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