How to Grow West Indian Sundew

West Indian Sundew

Drosera intermedia subsp. intermedia

flower

The West Indian Sundew is a carnivorous plant featuring rosettes of small leaves covered in sticky, gland-tipped tentacles that trap and digest insects. This delicate plant produces delicate white, pink, or red flowers on slender stems and is prized by carnivorous plant enthusiasts for its unique feeding mechanism. It thrives in boggy, nutrient-poor environments where it supplements its diet by capturing prey.

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Example West Indian Sundew timeline · Pittsburgh, PA (Zone 6b)

  1. Plant West Indian Sundew

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First West Indian Sundew blooms

    Around Aug 15

    ≈ 120 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact West Indian Sundew dates for your own zip code.

Growing Conditions

☀️
Sun: Bright, indirect light or partial sun; 4-6 hours of sunlight daily; protection from intense afternoon heat in hot climates
💧
Water: Keep constantly moist but not waterlogged; use distilled water or rainwater only, as tap water minerals harm the plant; maintain high humidity (50-70%)
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Spacing: 3-6 inches
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Days to maturity: 120-180 (flowering stage)
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Planting depth: Surface planting; do not bury the rosette

Soil

Type: Acidic, nutrient-poor peat-based mix or sphagnum moss
pH: 4.0-5.5
Amendments:
Sphagnum peat moss Long-fiber sphagnum moss Perlite Sand (avoid fertilized soils)

Growing Zones

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Zones 8-11; can be grown indoors year-round in cooler regions

7b 8a 8b 9a 9b 10a 10b 11a 11b

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Growth Stages

1

Establishment

4-6 weeks

Young plant developing its first rosette of leaves with small glandular tentacles beginning to form

Keep in high humidity under bright light; maintain consistent moisture; avoid fertilizer and nutrients

2

Vegetative Growth

2-4 months

Rosette expands with increasingly larger leaves covered in prominent red or pink mucilaginous tentacles for trapping insects

Maintain high humidity and bright light; allow the plant to trap insects naturally; do not feed artificially; water with distilled water only

3

Flowering

3-4 weeks

Slender flower stalks emerge from the center of the rosette bearing small white, pink, or red delicate flowers arranged in a raceme

Ensure adequate light to support flowering; maintain consistent moisture; allow natural pollination by insects if possible

4

Seed Development

4-6 weeks

Flowers fade and seed pods develop, containing numerous tiny seeds that will mature and dry

Continue consistent care; allow seeds to mature fully before harvesting; seeds require cold stratification for germination

5

Dormancy (Optional)

2-3 months (winter)

Plant may slow growth or enter dormancy in winter, particularly in cooler zones; some leaf die-back is normal

Reduce watering slightly but keep soil moist; provide cooler temperatures (50-60°F) if possible; bright light is still important

Companion Planting

Plan your garden →

Plant with:

Venus flytrap Pitcher plants (Sarracenia) Bog rosemary Sundews (other Drosera species) Sphagnum moss

Avoid planting near:

Fertilized soil zones Mineral-rich water sources Aggressive bog plants that compete for space Plants requiring nutrient-rich soil

Common Pests

  • Increase humidity; mist regularly with distilled water; isolate affected plants; rarely requires intervention as sundews trap many pests

  • Improve air circulation; reduce humidity slightly if severe; ensure water is distilled; use fungicide only as last resort with non-toxic options

  • Remove with cotton swab dipped in distilled water; isolate plant; rarely problematic due to plant's carnivorous nature

Uses

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Natural Insect Control

Household

West Indian Sundew naturally traps and digests flying insects including flies, gnats, and small mosquitoes, making it an effective biological pest control for indoor spaces and greenhouses. A single plant can capture dozens of insects weekly. [source]

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Pollinator Garden Addition

Wildlife

The delicate flowers attract small pollinators and the sticky leaves provide an interesting feeding mechanism that benefits ecosystem understanding. The plant supports bog habitat ecology. [source]

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Terrarium Showpiece

Craft

West Indian Sundew is a centerpiece carnivorous plant for specialized terrarium displays, particularly in closed or high-humidity terrariums where its delicate tentacles and flowers create visual interest. Popular with plant collectors and in botanical displays. [source]

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Traditional Herbal Uses

Medicinal

Historically used in traditional medicine by Caribbean and indigenous peoples for respiratory conditions and cough relief, though modern scientific evidence is limited. Some species of Drosera are studied for bronchitis treatment. [source]

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Ornamental Botanical Interest

Culinary

While not culinary in the traditional sense, the plant represents the botanical wonder of carnivorous adaptations and is cultivated for educational purposes in botanical gardens and specialized grower collections worldwide. [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 mature seeds by carefully collecting dried seed pods; seeds can be sown immediately on moist sphagnum moss or stratified in refrigerator for 4-6 weeks before sowing; do not harvest leaves or disturb the plant for propagation; allow the plant to self-propagate through natural seed dispersal

Fun Facts

  • 🌱 West Indian Sundew's sticky tentacles can exert surprising strength, with the viscous mucus holding prey items up to three times the plant's own weight, slowly folding the leaves inward to digest the insect over several days.
  • 🌱 The plant's glandular tentacles serve a dual purpose: outer tentacles trap insects while inner tentacles digest them using enzymes similar to those found in animal stomachs, making it one of nature's most efficient hunters in nutrient-poor bogs.
  • 🌱 Sundews are among the fastest-moving plants in the world; when an insect is caught, some tentacles can move toward it in just minutes, a remarkable response in the plant kingdom that fascinated Charles Darwin who studied carnivorous plants extensively.

Gardening Terms

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