How to Grow Common Whitlowgrass

iNaturalist

Common Whitlowgrass

Draba verna

flower

Draba verna is a diminutive winter annual or biennial wildflower native to Europe and western Asia, now naturalized across North America. It produces tiny white flowers on delicate stems rising from a basal rosette of small, hairy leaves. Despite its modest size (typically 2-8 inches tall), it is notably cold-hardy and flowers very early in spring.

When should you plant Common Whitlowgrass in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Common Whitlowgrass timeline →

Example Common Whitlowgrass timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Common Whitlowgrass

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Common Whitlowgrass blooms

    Around Jul 16

    ≈ 90 days after planting

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

Growing Conditions

☀️
Sun: Full sun to light shade, 4-6 hours of direct sunlight daily
💧
Water: Moderate moisture during growing season; prefers drier conditions once established. Avoid waterlogging; drought-tolerant once rooted.
📏
Spacing: 6 inches
📅
Days to maturity: 90-150 days (winter annual cycle)
🌱
Planting depth: Surface sown or barely covered; seeds require light for germination

Soil

Type: Well-draining sandy loam or gravelly soil
pH: 6.0-7.5
Amendments:
Coarse sand Gravel or pebbles Minimal organic matter

Growing Zones

Find your zone →

Thrives in zones 3-9; particularly well-suited to cooler climates

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a

Sign up free to see if Common Whitlowgrass grows in your zone — and get a personalized planting timeline.

Get my Common Whitlowgrass timeline →

Growth Stages

1

Germination

1-2 weeks

Tiny seeds germinate on cool soil surface; cotyledons emerge within 7-14 days

Keep soil consistently moist but not waterlogged; light exposure aids germination; sow in fall for spring flowering

2

Rosette Formation

6-10 weeks

Small hairy leaves form a tight basal rosette close to the ground; plant remains low-growing through winter

Minimal water needed in dormant season; no fertilizer required; cold period necessary for flowering trigger

3

Bolting & Flowering

4-6 weeks

As temperatures warm in early spring, thin stems elongate and produce tiny white four-petaled flowers in dense racemes

Maintain light watering; flowers appear as temperatures reach 45-50°F consistently; deadhead to encourage more blooms

4

Seed Development & Maturation

3-4 weeks

Flowers develop into small silicle seed pods (flattened, oval capsules); pods dry and mature by late spring

Allow pods to fully dry on plant; reduce water as seeds develop; watch for natural self-seeding

5

Seed Dispersal & Senescence

2-3 weeks

Plant senesces as temperatures rise in late spring/early summer; seed pods split and release seeds

Allow plants to dry naturally for volunteer seedlings next season; remove spent plants if desired to reduce clutter

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Tall shade-casting plants Moisture-loving plants requiring frequent watering Soil-hogging perennials

Common Pests

  • Row covers over seedlings; remove debris; encourage beneficial predators; insecticidal soap if severe

  • Strong water spray; insecticidal soap; encourage ladybugs and lacewings

  • Ensure air circulation; avoid wetting foliage; remove infected leaves; apply sulfur or neem oil if needed

  • and

    Remove debris and mulch; copper tape barriers; hand-pick at night; encourage ground beetles

Uses

🍳

Edible Microgreens & Young Greens

Culinary

Young rosette leaves can be eaten as tender, slightly peppery microgreens or in early spring salads. Use sparingly as a flavoring green due to diminutive size and hairy texture. [source]

💊

Traditional Herbal Remedy

Medicinal

Historically used in European folk medicine for treating whitlow (infected nail beds) and other skin conditions, hence the common name. Contains glucosinolates typical of the Brassicaceae family. [source]

🎨

Early Spring Flower Arranging

Craft

Tiny delicate white flowers add charming texture to winter and early spring floral arrangements and are prized by flower enthusiasts for their early bloom time. [source]

🦋

Pollinator Food Source

Wildlife

Early flowers provide critical early-season nectar and pollen for emerging bees, butterflies, and other pollinators when few other sources are available. [source]

🏠

Alpine Garden & Rock Garden Accent

Household

Its tiny stature and early bloom make it ideal for rock gardens, alpine troughs, container gardens, and naturalized areas, requiring minimal maintenance once established. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest seed pods when fully dry and papery, typically late May to June in most climates. Collect entire seed-bearing stems into a paper bag and allow to fully dry indoors. Seeds can be stored dry in cool conditions for several years. For ornamental use, harvest small bouquets of flowers in early spring when petals fully open.

Fun Facts

  • 🌱 The genus name 'Draba' comes from Greek 'drabe,' meaning a type of cress or peppery plant, reflecting its Brassicaceae family membership.
  • 🌱 Draba verna is one of the earliest flowering plants in temperate regions, sometimes blooming while snow patches remain on the ground, making it a celebrated harbinger of spring in naturalist communities.
  • 🌱 Despite being only 2-8 inches tall, a single plant can produce hundreds of seeds, explaining its successful naturalization and prolific self-seeding behavior across North America and Europe.

Gardening Terms

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

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Common Whitlowgrass planting timeline

Tell us your zip code and we'll calculate exactly when to start Common Whitlowgrass seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Common Whitlowgrass timeline →