bulb corm tuber

German Garlic

Allium glaucum

Not currently listed at our partner nurseries.

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Essentials

At a Glance

Plant Type

Bulb Corm Tuber

Height

18 inches

Width

12 inches

Light

Full Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Perennial

Native To

Europe and Asia

Toxicity

Toxic to pets if ingested in large quantities

The Story

Plant Bio

A bulbous perennial known for its striking purple flowers and grass-like foliage. Distinctive narrow leaves and a unique flowering habit that adds a touch of elegance to gardens.

Uses & Benefits:

Allium glaucum adds silvery foliage and unique spherical flowers, enhancing garden texture and visual interest.

Helps repel pests like aphids and attracts pollinators such as bees and butterflies.

Supports local pollinator populations and contributes to biodiversity.

Marketplace

Where to Buy

We couldn't find this plant listed online right now.

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Planting

How to Grow

Tuck bulbs 4-6 inches deep in well-draining soil in early fall.
Water thoroughly after planting to settle soil around bulbs.
Allow soil to dry between watering; avoid overwatering during dormancy.
Apply a balanced fertilizer in early spring as shoots emerge.
Remove faded flowers to encourage bulb energy storage.
Mulch lightly to retain moisture and suppress weeds.

Pro Tip

Plant in a sunny spot with well-draining soil for best blooms.

Keep It Thriving

Care Guide

Do

Water regularly during active growth 🌱
Apply fertilizer in early spring
Remove spent flowers to promote healthy growth
Mulch to conserve moisture

Don't

Overwater during dormancy ❌
Plant too deep or too shallow
Neglect soil drainage
Use heavy clay soil without amendment

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Sparse-silver foliage borderTextured perennial bedFlowering accent in rock gardens

Companion Plants

Sedum Echinacea Lavender Salvia Yarrow

Multiply

Propagation Methods

Good to Know

Common Questions

German Garlic questions

What zones can German Garlic grow in?

German Garlic 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 German Garlic deer resistant?

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

When does German Garlic bloom?

German Garlic typically blooms in mid to late summer through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does German Garlic need full sun?

German Garlic does best in full sun (6+ hours).

Is German Garlic drought tolerant?

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