How to Grow Burman's Sundew

Burman's Sundew

Drosera burmannii

flower

Drosera burmannii is a small carnivorous sundew native to tropical and subtropical regions of Asia and Australia. It produces sticky, gland-tipped tentacles that trap and digest insects, supplementing its nutrient intake from poor soils. This rosette-forming plant displays delicate pink or white flowers and thrives in warm, humid conditions.

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Example Burman's Sundew timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Burman's 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 Burman's Sundew blooms

    Around May 17

    ≈ 30 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Burman's Sundew dates for your own zip code.

Growing Conditions

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Sun: Bright, indirect light 12-14 hours daily; tolerates partial shade but prefers high light intensity
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Water: Keep soil constantly moist but not waterlogged; use distilled or rainwater only—tap water minerals damage the plant; maintain humidity of 50-70%
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Spacing: 4 inches
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Days to maturity: 30-60 (flowering); 90-120 (seed to mature rosette)
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Planting depth: Surface sow seeds; press lightly onto soil without covering

Soil

Type: Nutrient-poor, acidic, well-draining mix of sphagnum peat moss and perlite or sand
pH: 4.5-5.5
Amendments:
Sphagnum peat moss (primary component) Perlite or silica sand Avoid fertilizers—carnivorous plants obtain nutrients from insects

Growing Zones

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Thrives in zones 10-11; can be grown indoors year-round in cooler climates

10a 10b 11a 11b

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Growth Stages

1

Seed to Germination

2-4 weeks

Tiny seeds germinate on moist peat surface under bright light and warm temperatures (70-80°F)

Maintain high humidity with a humidity dome or plastic cover; ensure bright light; keep soil moist; expect germination in 2-4 weeks

2

Seedling & Rosette Formation

4-8 weeks

Young plant develops a small rosette of reddish-green leaves with sticky red tentacles

Gradually acclimate to lower humidity; begin growing in individual pots; provide 12+ hours of bright light daily; allow slight drying between waterings as plant matures

3

Vegetative Growth

8-12 weeks

Rosette expands with increasing numbers of reddish tentacle-covered leaves; plant becomes more robust and colorful under strong light

Maintain consistent moisture and humidity; provide maximum light; allow plant to trap insects naturally for nutrients; no fertilizer needed

4

Flowering

2-4 weeks

Thin flower stalks emerge from the center of the rosette, bearing delicate pink, white, or occasionally purple flowers

Continue regular watering and humidity levels; support stalks if needed; allow self-pollination or hand-pollinate with a small brush; expect flowers to open in succession

5

Seed Production & Rest

3-4 weeks

Flowers fade and seed capsules develop; plant may enter a short dormancy period or slow growth phase

Allow seeds to mature and dry before harvesting; maintain moisture levels; reduce light slightly if dormancy occurs; seeds can be collected and sown immediately or stored dry

Companion Planting

Plan your garden →

Plant with:

Other Drosera species (sundews) Sarracenia (pitcher plants) Nepenthes (tropical pitcher plants) Sphagnum moss Pinguicula (butterworts)

Avoid planting near:

Fertilizer-dependent plants Plants preferring neutral to alkaline soil Drought-tolerant plants (conflicting water needs) Dense-rooted plants that compete aggressively

Common Pests

  • Increase humidity to 60%+; mist frequently; isolate affected plants; use distilled water spray only—no pesticides on carnivorous plants

  • Improve air circulation; reduce watering frequency if humidity becomes excessive; repot in fresh sterile soil if root rot is detected; remove infected leaves

  • Increase air circulation with a small fan; allow soil surface to dry slightly between waterings; ensure pot has drainage holes; replace top layer of soil if heavily affected

Uses

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Natural Pest Control

Household

D. burmannii actively traps and digests insects, providing organic pest management for greenhouse or indoor gardening spaces. A single plant can capture dozens of insects over its growing season. [source]

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Insect Population Management

Wildlife

Particularly effective at controlling small flying insects such as fruit flies, gnats, and mosquitoes in enclosed environments. The plant's sticky tentacles are an attractive trap for beneficial as well as pest insects. [source]

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Ornamental & Terrarium Specimen

Craft

Prized by carnivorous plant collectors and vivarium enthusiasts for its delicate appearance, striking red coloration, and intricate trapping mechanism. Ideal for terrariums, closed glass containers, and specialty plant displays. [source]

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Traditional Medicine

Medicinal

Sundews, including D. burmannii, have been used in traditional Asian and European herbal medicine for cough and respiratory support. Contains plumbagin and other compounds researched for anti-inflammatory properties. [source]

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Educational & Research Interest

Culinary

While not edible, D. burmannii is invaluable in botanical education and research on carnivorous plant physiology, enzyme production, and nutrient absorption from insects. [source]

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

Harvest Tips

Seeds typically mature 3-4 weeks after flowering. Allow seed capsules to dry on the plant, then collect and store dry seeds in a cool, dark place. Seeds can be sown immediately or stored for 6-12 months. Avoid harvesting insects from the plant—allow the sundew to catch and digest its own prey for optimal nutrition.

Fun Facts

  • 🌱 D. burmannii produces digestive enzymes similar to those found in animal stomachs, breaking down insect proteins into usable nutrients—a remarkable example of convergent evolution between plants and animals.
  • 🌱 The sticky secretion on the tentacles is so effective that insects become trapped within seconds; the plant can digest an insect completely in 5-10 days depending on size and temperature.
  • 🌱 This species is one of the fastest-growing sundews and can reach maturity and flowering within 2-3 months, making it an ideal choice for beginners interested in carnivorous plants.

Gardening Terms

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