How to Grow Mount Snowdon Whitlow-grass

Mount Snowdon Whitlow-grass

Draba oreades

flower

Draba oreades is a tiny alpine perennial native to high mountain regions, particularly around Mount Snowdon in Wales. This compact plant produces delicate white or pale yellow flowers and forms dense cushions of small, narrow leaves. It thrives in rocky, well-drained alpine conditions and is prized by alpine gardeners for rock gardens and troughs.

Growing Conditions

☀️

Sun: Full sun, 6+ hours daily for best flowering

💧

Water: Moderate during growing season; keep soil moist but never waterlogged. In winter, keep relatively dry to prevent rot. Water at the base to keep foliage dry.

📏

Spacing: 6-8 inches

📅

Days to maturity: 90-120 days to first flowering from seed

🌱

Planting depth: Surface sow seeds; press lightly into soil. Do not cover.

Soil

Type: Gritty, fast-draining alpine soil with rocky composition

pH: 6.0-7.0

Amendments:

Coarse gravel or perlite Rock fragments Peat or coir Sand

Growing Zones

Find your zone →

Zones 4-7; prefers cool, mountainous climates

4a 4b 5a 5b 6a 6b 7a

Growth Stages

Seedling

3-6 weeks

Tiny rosettes of narrow, linear leaves emerging from soil. Very slow initial growth.

Keep soil consistently moist but not waterlogged. Provide bright light. Seedlings are fragile; handle with care.

Rosette Formation

6-12 weeks

Plant develops dense cushion of narrow, hairy leaves; remains low to the ground (2-4 inches tall).

Maintain gritty, well-draining conditions. Begin gradual hardening off if growing indoors. Reduce watering frequency.

Pre-flowering

2-4 weeks

Flower buds begin to develop at the center of the rosette. Tiny stems emerge above foliage.

Ensure excellent drainage. Do not overwater. Provide full sun exposure. Reduce nitrogen fertilizer.

Flowering

4-8 weeks (spring/early summer)

Delicate white or pale yellow flowers on short stems bloom above the cushion (typically 4-6 inches tall). Multiple flowers per plant.

Water carefully at base only. Protect from excessive rain and high humidity. Remove any dead flowers. Ensure air circulation.

Seed Development & Dormancy

Late summer through winter

Flowers fade and tiny seed pods develop. Foliage remains evergreen but becomes dormant in winter.

Allow seeds to mature on plant. Reduce watering significantly over winter. Protect from excessive moisture and ice damage with grit mulch.

Companion Planting

Plan your garden →

Plant with:

Saxifraga Sempervivum Armeria Dianthus alpinus Sedum Phlox subulata Veronica repens

Avoid planting near:

Moisture-loving perennials Dense shade plants Vigorous spreading ground covers Plants requiring rich, organic soil

Common Pests

and
Remove by hand; use grit barriers around plants; improve air circulation to reduce humidity.
Ensure excellent drainage and air circulation; avoid overhead watering; use well-draining seed compost.
Remove affected foliage; improve ventilation; reduce humidity; use copper fungicide if necessary.
Essential to maintain gritty, fast-draining soil; do not overwater; repot in fresh, sterile medium if infected.

Uses

🌿

Alpine Rock Gardens

Ornamental

Perfect specimen for rock gardens, scree gardens, and alpine troughs where its compact cushion form and delicate flowers create charming focal points. Its small stature fits naturally into rocky landscapes. [source]

🌿

Container & Trough Gardening

Ornamental

Ideal for terracotta pots and stone troughs filled with gritty alpine mix. The plant's compact size and slow growth make it perfect for container cultivation, where drainage can be precisely controlled. [source]

🦋

Pollinator Plant

Wildlife

Produces nectar-rich flowers that attract small bees and other alpine pollinators. Its early spring blooming provides crucial early-season food sources for alpine insects. [source]

🎨

Mountain Habitat Recreations

Craft

Used by plant enthusiasts to recreate authentic alpine mountain environments in gardens and displays, helping preserve genetic diversity of this rare wild species through cultivation. [source]

Harvest Tips

Draba oreades is primarily grown for ornamental flowers, not harvest. Allow flowers to bloom and fade naturally in spring/early summer. Collect mature seed pods in late summer if desired for propagation; remove entire seed head and dry thoroughly before extracting seeds.

Fun Facts

🌱 Draba oreades is a rare alpine endemic native almost exclusively to Mount Snowdon (Snowdonia) in North Wales, making it a geographically restricted species of conservation interest.
🌱 The genus Draba contains over 350 species worldwide, many found in extreme high-altitude and arctic environments, with some inhabiting elevations above 14,000 feet.
🌱 This plant's dense, cushion-forming growth habit is an adaptation to harsh alpine conditions, reducing water loss and protecting buds from wind damage at high elevations.

Want personalized planting timelines?

Get started free