How to Grow Moore's Sundew

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Moore's Sundew

Drosera moorei

flower

Moore's Sundew is a carnivorous plant native to subtropical regions of Australia, characterized by its rosette of reddish leaves covered in sticky, glistening tentacles that trap small insects. The plant produces delicate white to pink flowers on tall stalks and thrives in nutrient-poor, acidic environments. It is prized by specialty plant collectors for its unique appearance and fascinating predatory mechanism.

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

  1. Plant Moore'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 Moore's Sundew blooms

    Mid-to-late summer

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

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Sun: Bright, indirect light or partial shade; 4-6 hours of soft sunlight daily; avoid harsh afternoon sun in hot climates
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Water: Keep soil consistently moist but not waterlogged; use distilled water or rainwater only, as tap water minerals harm the plant; maintain high humidity of 50-70%
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Spacing: 6 inches
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Days to maturity: 12-18 months to flowering
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Planting depth: 0.25 inches (seeds barely covered with moist substrate)

Soil

Type: Nutrient-poor, sandy peat moss or peat and sand mixture
pH: 4.0-5.5
Amendments:
Peat moss Sand or perlite for drainage Avoid fertilizer entirely

Growing Zones

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Thrives in zones 10-11; can be grown indoors in cooler climates with proper conditions

10a 10b 11a 11b

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Growth Stages

1

Germination

3-6 weeks

Tiny seedlings emerge with initial small leaves; very slow growth phase lasting several weeks

Keep substrate moist with distilled water; maintain high humidity and temperatures of 70-75°F; provide bright indirect light; ensure excellent air circulation to prevent fungal issues

2

Early Rosette Formation

4-8 months

Plant develops characteristic rosette shape with increasingly larger leaves; reddish coloring begins to intensify; tentacles start producing sticky mucilage

Maintain consistent moisture and humidity; avoid fertilizing; provide bright light; allow cool dormancy period in winter (50-60°F) to promote vigor; repot as needed to larger shallow containers

3

Mature Vegetative

6-12 months

Full rosette of adult leaves with bright red coloring and fully developed, glistening tentacles; plant actively traps insects

Continue strict distilled water regimen; ensure excellent drainage; avoid moving frequently; maintain humidity levels; allow dormancy period if naturally occurring; do not fertilize

4

Flowering

4-6 weeks

Tall flower spike emerges from center of rosette bearing delicate white, pink, or pale rose flowers arranged in clusters

Support flower stalk if needed; continue proper watering and humidity; blooms attract pollinators and may self-seed; maintain cool night temperatures to encourage flowering

5

Post-Flowering & Seed Production

6-8 weeks

Flowers fade and develop seed pods; seeds mature over several weeks; parent rosette remains healthy for continued growth

Allow seeds to mature fully on plant before collecting; maintain regular care regimen; cut off seed pods once ripe if not collecting; plant continues vegetative growth simultaneously

Companion Planting

Plan your garden →

Plant with:

Other sundew species (Drosera species) Venus flytrap (Dionaea muscipula) Butterworts (Pinguicula species) Sphagnum moss Shade-tolerant ferns

Avoid planting near:

Fertilizer-dependent plants Plants requiring neutral to alkaline soil Tap water-dependent species Highly competitive plants

Common Pests

  • Improve air circulation; allow soil surface to dry slightly between waterings; use yellow sticky traps; avoid overwatering; consider sand layer on soil surface

  • and

    Ensure excellent air circulation with small fan; avoid waterlogging soil; sterilize tools when handling; use well-draining substrate; maintain proper humidity without stagnant air

  • Increase humidity; mist foliage with distilled water; isolate affected plants; remove affected leaves if severe; avoid pesticides which harm carnivorous plants

Uses

🎨

Specimen Plant Collecting

Craft

Moore's Sundew is highly prized by carnivorous plant enthusiasts and collectors as an ornamental specimen plant. Its exotic appearance, unique predatory leaves, and delicate flowers make it a focal point in specialized plant collections and terrariums. [source]

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Natural Insect Control

Wildlife

The plant's sticky tentacles naturally trap and digest small flying insects, including gnats, making it an organic form of natural insect management in indoor spaces and greenhouses without chemical pesticides. [source]

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Traditional Medicinal Use

Medicinal

In traditional Aboriginal medicine and some herbal practices, sundew plants have been used to support respiratory health and cough relief, though scientific evidence is limited and the plant should not replace modern medical treatment. [source]

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Humidity Regulation

Household

Growing Moore's Sundew in indoor spaces requires maintaining elevated humidity levels, which can benefit the surrounding environment and other humidity-loving plants in a humid room or terrarium setup. [source]

🎨

Educational and Scientific Interest

Craft

The plant serves as an excellent educational tool for studying plant adaptation, evolution, and carnivorous plant biology, making it valuable for educational displays and learning about how plants have evolved alternative nutrient-acquisition strategies. [source]

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

Harvest Tips

Moore's Sundew is not harvested for consumption or cutting. For seed collection: allow flowers to fade and seed pods to fully mature and dry on plant (6-8 weeks), then carefully collect mature seeds and store in cool, dry conditions. Propagate from seeds by sowing on moist peat and sand mixture under humid conditions. Do not disturb the plant's natural insect-trapping function.

Fun Facts

  • 🌱 Moore's Sundew's sticky tentacles contain enzymes and mucilaginous substances that not only trap insects but also digest them, allowing the plant to obtain nitrogen and other nutrients that are scarce in its native boggy, acidic habitats.
  • 🌱 The plant's bright red coloration serves a dual purpose: it attracts insects by mimicking nectar-producing flowers, while the color is produced by anthocyanin pigments that also help protect the plant from intense sunlight.
  • 🌱 Moore's Sundew can survive in nutrient-starved soils where almost no other plants can thrive, making it a masterpiece of evolutionary adaptation that has captivated botanists and plant enthusiasts for centuries.

Gardening Terms

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