How to Grow Spoon-leaved Sundew

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Spoon-leaved Sundew

Drosera intermedia

flower

Spoon-leaved Sundew is a small carnivorous plant featuring distinctive spoon-shaped leaves covered in glistening, sticky tentacles that trap insects. Native to boggy wetlands across the Northern Hemisphere, this delicate plant produces tiny white or pink flowers on thin stems. It is prized by carnivorous plant enthusiasts for its unique appearance and fascinating predatory mechanism.

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Example Spoon-leaved Sundew timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Spoon-leaved 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 Spoon-leaved Sundew blooms

    Around Jul 16

    ≈ 90 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Spoon-leaved Sundew dates for your own zip code.

Growing Conditions

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Sun: Bright indirect light, 4-6 hours of sunlight daily; avoid harsh afternoon direct sun in hot climates
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Water: Keep constantly moist but not waterlogged; use distilled water or rainwater only, as tap water minerals damage the plant; maintain high humidity and moisture year-round
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Spacing: 3-6 inches
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Days to maturity: 90-120 days from seed to mature plant
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Planting depth: Seeds sown on soil surface without covering; press lightly into moist moss

Soil

Type: Nutrient-poor, acidic peat moss or sphagnum moss
pH: 4.0-5.5
Amendments:
Peat moss Sphagnum moss Perlite or sand for drainage Avoid fertilizers and nutrient-rich soils

Growing Zones

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Thrives in zones 3-8, prefers cool to temperate climates

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

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Growth Stages

1

Seed Germination

4-8 weeks

Tiny seeds remain dormant on moist sphagnum moss; require cold stratification over winter for spring germination

Keep seeds moist at 32-41°F for 4-6 weeks; provide bright light after cold period; maintain high humidity in propagation tray with plastic cover

2

Seedling & Rosette Formation

4-8 weeks

First tiny leaves emerge with characteristic spoon shape and early tentacles; plant forms a compact rosette close to soil surface

Maintain consistent moisture and high humidity; provide bright indirect light; keep water only distilled or rainwater; avoid any fertilizer; ensure good air circulation to prevent fungal issues

3

Vegetative Growth

8-16 weeks

Plant expands rosette with multiple spoon-shaped leaves; tentacles become fully developed and glistening with sticky digestive secretions; plant slowly increases in size

Continue consistent watering with pure water; maintain cool to moderate temperatures; provide bright light; allow plant to trap small insects naturally; avoid fertilizing; repot only if plant outgrows container

4

Flowering

4-8 weeks

Thin flower stalks emerge from center of rosette; tiny white, pink, or purple flowers bloom on the spike; blooming occurs in late spring to summer

Continue normal care; provide adequate light for flower development; maintain moisture and humidity; flowers are self-pollinating; allow blooms to mature fully for seed production

5

Seed Production & Dormancy

6-12 weeks

Flowers fade and seed pods develop; seeds mature and dry; plant may enter dormancy in fall/winter with leaf die-back in cooler zones

Collect mature seeds before pods split; reduce watering slightly if plant enters dormancy; provide cool winter rest period (32-50°F) for 4-8 weeks; resume growth in spring

Companion Planting

Plan your garden →

Plant with:

Sphagnum moss Other sundew species (Drosera rotundifolia, Drosera filiformis) Butterworts (Pinguicula) Bog rosemary Cranberry Bladderwort

Avoid planting near:

Fertilizer-heavy plants Plants requiring neutral to alkaline soil Vigorous spreading plants that compete for space Plants in soil with high nutrient content

Common Pests

  • Maintain good air circulation; avoid overwatering; use sticky traps; allow soil surface to dry slightly between waterings; isolate infected plants

  • and

    Improve air circulation; reduce humidity slightly if severe; remove affected leaves; ensure pure water use; avoid overcrowding pots

  • Increase humidity; mist with distilled water; isolate affected plants; spray with neem oil if severe (use distilled water only); avoid pesticides that may damage delicate leaves

  • Allow plant to trap insects naturally; gently spray with distilled water; isolate affected plants; avoid chemical pesticides

Uses

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Natural Insect Control

Wildlife

Spoon-leaved Sundew naturally attracts and traps flying insects using its sticky tentacle secretions, providing biological pest control in greenhouses, terrariums, or bog gardens. The plant's carnivorous mechanism makes it an effective living insect trap without chemicals. [source]

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Terrarium & Specialty Container Gardening

Craft

This plant is highly prized by carnivorous plant hobbyists for creating specialized bog terrariums and display containers. Its dramatic appearance with glistening tentacles makes it an eye-catching specimen plant for educational displays and botanical collections. [source]

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Educational Specimen Plant

Household

Spoon-leaved Sundew serves as an excellent teaching tool for understanding plant evolution, adaptation, and carnivory in controlled settings. Growing this plant teaches botanical enthusiasts about specialized plant nutrition and unique ecological niches. [source]

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Traditional Herbal Use (Historical)

Medicinal

Historically, sundew species were used in traditional European herbalism for respiratory conditions and cough remedies, though modern scientific evidence is limited. The plant contains compounds that were traditionally believed to support respiratory health. [source]

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Bog Garden & Wetland Restoration

Wildlife

Spoon-leaved Sundew is native to boggy wetlands and thrives in rain gardens and specialized wetland plantings, supporting native ecosystem restoration. It helps indicate and maintain acidic bog conditions while contributing to biodiverse wetland habitats. [source]

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

Harvest Tips

Spoon-leaved Sundew is not harvested for consumption. Collect seeds in late summer by allowing flower stalks to fully mature and dry; carefully gather seed pods before they split naturally; store seeds dry in cool conditions. The plant is typically propagated from seed or by division of mature rosettes in spring.

Fun Facts

  • 🌱 Spoon-leaved Sundew's sticky tentacles contain enzymes similar to human digestive fluids that break down trapped insects, allowing the plant to absorb nutrients directly—a remarkable adaptation to nutrient-poor bog soils.
  • 🌱 The plant's scientific name 'intermedia' refers to its intermediate characteristics between related sundew species; it was long considered a hybrid species before being recognized as a distinct species in its own right.
  • 🌱 Each glistening tentacle on a sundew leaf can move and curl around prey within seconds, and the plant can 'digest' an insect within 5-12 days, demonstrating remarkable plant sensitivity and responsiveness.

Gardening Terms

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

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