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How to Grow Siberian Draba

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Siberian Draba

Draba sibirica

flower

Siberian Draba is a low-growing alpine plant in the Brassicaceae family, native to cold regions of Siberia and the Arctic. It produces delicate yellow flowers and forms dense, cushion-like mats of small leaves. This hardy perennial is popular in rock gardens and alpine troughs due to its diminutive stature and ability to thrive in harsh conditions.

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Example Siberian Draba timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Siberian Draba

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Siberian Draba blooms

    Around Jul 16

    ≈ 90 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Siberian Draba dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6+ hours daily; tolerates light shade in hot climates
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Water: Low to moderate water needs; prefers dry conditions once established. Water sparingly; avoid waterlogging. Drought-tolerant once mature.
📏
Spacing: 6 inches
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Days to maturity: 90-120 days from seed
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Planting depth: Surface sow or barely cover seeds; light is beneficial for germination

Soil

Type: Well-draining sandy or gravelly soil
pH: 6.0-7.5
Amendments:
Coarse sand Pea gravel Perlite Alpine grit Minimal organic matter

Growing Zones

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Best in USDA zones 3-6; extremely cold-hardy

2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a

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Growth Stages

1

Seed germination

10-14 days

Tiny seeds germinate on the soil surface; first cotyledons appear within 10-14 days under cool conditions

Keep soil moist but not waterlogged. Provide cool temperatures (50-60°F). Light helps germination; do not cover completely.

2

Seedling

4-6 weeks

Small rosettes of oval leaves emerge; growth is very slow and compact

Maintain well-drained conditions. Avoid high humidity to prevent fungal issues. Provide full light.

3

Vegetative growth

6-12 weeks

Dense, cushion-like mats of small gray-green leaves form; plant remains very low-growing

Water minimally; ensure excellent drainage. Do not fertilize heavily. Remove any dead leaves to prevent rot.

4

Flowering

4-6 weeks (spring to early summer)

Small, bright yellow flowers appear in dense clusters above the foliage on short stems; blooms are delicate but numerous

Provide full sun for best flower production. Water modestly during bloom. Deadhead spent flowers to encourage more blooms.

5

Seed set and senescence

Ongoing through season

Flowers fade and small silicle seed pods develop; plant may enter dormancy or produce new growth depending on season

Allow some flowers to remain for seed set. Reduce watering in hot periods. In cool climates, plant may rest.

Companion Planting

Plan your garden →

Plant with:

Saxifrage Sedum Sempervivum Phlox subulata Alpine poppy Veronica repens Thyme Dianthus alpinus

Avoid planting near:

Moisture-loving plants Plants requiring high humidity Dense shade-creating plants

Common Pests

  • Improve air circulation, use well-draining soil, avoid overwatering seedlings, provide cool temperatures

  • Use row covers for seedlings, apply neem oil or insecticidal soap if necessary, encourage natural predators

  • and

    Improve drainage to reduce moisture, hand-pick, use copper barriers or sluggo, ensure good air circulation

  • and

    Ensure perfect drainage, avoid overhead watering, provide full sun, use sandy/gravelly soil media

Uses

🎨

Alpine rock gardens

Craft

Draba sibirica is ideal for alpine troughs, scree gardens, and rock walls where its cushion form and delicate flowers create year-round interest. Its compact size and hardy nature make it a favorite among alpine gardeners. [source]

🦋

Pollinator support

Wildlife

The small yellow flowers attract early-season bees and other pollinators in spring and early summer, providing nectar when few other alpines are blooming. [source]

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Edible flowers

Culinary

Like other Brassicaceae family members, Draba sibirica flowers are technically edible with a slight peppery flavor, though they are rarely used culinarily and are primarily grown for ornament. [source]

🏠

Living garden decor

Household

Its tight, attractive rosette form makes Draba sibirica excellent for container gardens, troughs, and as a specimen plant in alpine collections, requiring minimal maintenance. [source]

Harvest Tips

This plant is ornamental; harvest seeds in mid to late summer after silicles dry but before they split open. Collect seed pods, dry them completely, and extract seeds for replanting.

Fun Facts

  • 🌱 Draba sibirica is one of the hardiest alpine plants, naturally occurring in extreme subarctic and arctic regions of Siberia, making it virtually impossible to kill with cold.
  • 🌱 The genus Draba includes over 300 species, many extremely rare; some are found only in tiny alpine zones and are considered living fossils.
  • 🌱 The plant's dense, cushion-like growth form is an adaptation to high-altitude, wind-swept environments where such low growth protects it from harsh conditions.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Deadhead Full Sun Germination Perennial
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