Species

Tulipa gesnerianaGarden Tulip

14 other cultivars

bulb corm tuber

Blue Diamond Tulip

Tulipa gesneriana 'Blue Diamond'

The Story

Plant Bio

Blue Diamond is noted for its striking blue-violet flowers and is a popular choice for spring gardens.

This cultivar is unique for its vibrant blue coloration, which is rare among tulips.

Uses & Benefits:

Vibrant tulips add striking color to gardens and floral arrangements, creating eye-catching displays in spring.

Planting bulbs in fall ensures a reliable spring bloom, enhancing seasonal garden planning.

Supports early pollinators like bees emerging in spring.

SpeciesTulipa gesnerianaGarden Tulip

Essentials

At a Glance

Plant Type

Bulb Corm Tuber

Height

16 inches

Width

6 inches

Light

Full Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Best treated as an annual or short-lived perennial

Native To

Central Asia

Toxicity

Toxic to humans and pets if ingested

Bloom period

Late spring

In flower about 1 month of the year

Planting

How to Grow

Tuck bulbs 6 inches deep in well-drained soil in fall.
Water thoroughly after planting to settle soil.
Allow foliage to yellow naturally for bulb strength.
Mulch lightly to conserve moisture and protect in winter.
Divide bulbs every 3-4 years for healthy growth.
Plant in early fall for spring bloom.

Pro Tip

Choose a sunny spot with well-draining soil for vibrant blooms.

Keep It Thriving

Care Guide

Do

Water during dry spells 🌱
Apply a balanced fertilizer in early spring
Deadhead spent flowers to encourage more blooms

Don't

Avoid overwatering to prevent bulb rot ❌
Don’t plant in heavy clay soil without amendment
Refrain from cutting foliage prematurely

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid spring flower bedColorful border with contrasting foliagePots on sunny patios

Companion Plants

Pansies Crocuses Hyacinths Daffodils

Multiply

Propagation Methods

Good to Know

Common Questions

Blue Diamond Tulip questions

What zones can Blue Diamond Tulip grow in?

Blue Diamond Tulip 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 Blue Diamond Tulip deer resistant?

Not reliably. Deer may browse Blue Diamond Tulip, especially tender spring growth — plan on repellents or fencing where pressure is high.

When does Blue Diamond Tulip bloom?

Blue Diamond Tulip typically blooms in late spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Blue Diamond Tulip need full sun?

Blue Diamond Tulip does best in full sun (6+ hours).