How to Grow Obovate Sundew
Obovate Sundew
Drosera × obovata
flowerDrosera × obovata is a hybrid sundew that combines features of its parent species, producing distinctive spoon-shaped leaves covered in sticky, glandular tentacles that trap insects for nutrition. This carnivorous plant is compact and slow-growing, making it suitable for terrariums and bog gardens. It produces delicate pink or white flowers on thin stems.
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Example Obovate Sundew timeline · Pittsburgh, PA (Zone 6b)
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Plant Obovate Sundew
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Obovate Sundew blooms
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Obovate Sundew dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 6-10; best results in zones 7-9 with cool winters and humid summers
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Get my Obovate Sundew timeline →Growth Stages
Establishment
4-8 weeksSmall rosette of obovate leaves with developing tentacles; plant appears delicate and slow-growing
Maintain high humidity (70-90%); avoid disturbance; ensure consistent moisture and pure water only
Vegetative Growth
8-12 weeksRosette expands with mature spoon-shaped leaves; tentacles become fully active and glistening with sticky secretions
Provide bright filtered light; maintain humid conditions; allow plant to trap insects naturally for nutrition
Dormancy Preparation
4-8 weeks (winter)Growth slows as temperatures cool; leaves may become smaller and more compact
Gradually reduce light and temperature; maintain moisture; this rest period is essential for health
Flowering
3-4 weeksThin flower stalks emerge from rosette center bearing delicate pink or white flowers
Maintain high humidity around flowers; pollinate manually with small brush if desired for seed production; provide stable conditions
Post-Flowering
2-3 weeksFlowers fade and seed capsules develop; parent rosette begins new growth cycle
Collect seeds if desired before capsules open; allow plant to return to vegetative growth; maintain consistent care
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Ensure excellent air circulation; avoid misting foliage; reduce humidity slightly if fungal spots appear; remove affected leaves immediately; use fungicide only as last resort (may harm plant)
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Increase humidity; inspect regularly; isolate infected plants; spray with distilled water to dislodge mites; avoid pesticides if possible
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This is normal in humid environments; gently scrape excess algae from leaves if it interferes with photosynthesis; improve air circulation
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Ensure water drains from pot; use sphagnum-based media; water from below; repot into fresh medium if rot is detected
Uses
Natural Insect Control
WildlifeThe sticky tentacles passively trap and digest small insects, gnats, and flying pests, providing biological pest control for indoor spaces and terrariums without chemicals. [source]
Botanical Display & Terrarium Gardening
CraftPrized by plant enthusiasts for its unusual appearance, delicate flowers, and fascinating carnivorous adaptations; commonly cultivated in specialized terrariums, glass cases, and bog gardens. [source]
Historical Traditional Use
MedicinalSundews have been used in traditional European herbalism for respiratory support, though modern scientific evidence is limited; sometimes included in herbal preparations. [source]
Educational & Conversation Piece
HouseholdFascinating specimen that teaches about carnivorous plant ecology, adaptation, and botanical diversity; sparks curiosity and interest in plant science. [source]
Not for Consumption
CulinaryDrosera × obovata should never be harvested or consumed; it is grown purely for ornamental and scientific interest, not culinary or medicinal ingestion. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Drosera × obovata is not harvested for consumption. Collect seeds after flowering by carefully opening dried seed capsules and storing seeds in cool, dry conditions. Allow plant to complete its natural life cycle; remove only dead leaves. Press specimens for herbarium or botanical art purposes.
Fun Facts
- 🌱 The sticky tentacles on sundew leaves produce a digestive mucilage similar to the digestive juices of animal stomachs, allowing the plant to break down and absorb nitrogen and other nutrients from trapped insects—a fascinating example of how plants adapted to nutrient-poor soil.
- 🌱 Drosera × obovata is a hybrid that combines the best traits of its parent species, and unlike many hybrids, it can reproduce both vegetatively through leaf cuttings and sexually through seed production.
- 🌱 The name 'sundew' comes from the glistening appearance of the sticky droplets on the leaf tentacles, which shimmer in sunlight and resemble morning dew—this illusion actually attracts insects seeking moisture, making it a deadly trap.
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