How to Grow Lanceleaf Sundew
iNaturalist
Lanceleaf Sundew
Drosera aliciae
flowerDrosera aliciae is a carnivorous plant native to South Africa, characterized by rosette-forming leaves covered in sticky tentacles that trap and digest insects. This compact sundew is popular among carnivorous plant enthusiasts for its delicate pink flowers and fascinating predatory behavior. It grows slowly and requires specific conditions to thrive, making it a rewarding challenge for dedicated growers.
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Example Lanceleaf Sundew timeline · Pittsburgh, PA (Zone 6b)
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Plant Lanceleaf 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 Lanceleaf Sundew blooms
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Lanceleaf Sundew dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives indoors year-round in zones 10b-11; requires controlled greenhouse or indoor conditions in cooler climates
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Get my Lanceleaf Sundew timeline →Growth Stages
Seed
2-4 weeksTiny black seeds require stratification and light exposure; no covering of substrate
Maintain high humidity under plastic dome; use only distilled water misting; germination takes 2-4 weeks
Seedling
4-8 weeksMicroscopic rosettes emerge with first tentacles visible; very fragile and prone to damp-off
Provide bright, indirect light; ensure excellent air circulation; keep humidity at 60-70%; avoid direct water contact
Vegetative Growth
2-4 monthsRosette expands slowly, leaves lengthen, tentacles become more prominent and productive at trapping insects
Maintain consistent moisture, high humidity, and bright light; no fertilization needed as plant feeds on insects; winter dormancy may occur with reduced light
Flowering
2-3 monthsDelicate pink or white flowers appear on thin inflorescences rising from the rosette center; non-self-fertile
Maintain all growing conditions; hand-pollinate flowers with small brush if seed production desired; flowers attract natural pollinators if grown outdoors
Seed Production & Dormancy
3-4 weeks seed development; 4-8 weeks dormancySeed pods develop after pollination; plant may enter dormancy in winter with reduced light and cooler temperatures
Allow seeds to mature completely before harvesting; reduce watering slightly during dormancy but maintain constant moisture; provide cool period (60-65°F) for 4-8 weeks to break dormancy
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Improve air circulation; allow soil surface to dry slightly between waterings; use yellow sticky traps; apply insecticidal soap if severe
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and
(Botrytis cinerea)
Increase air circulation with small fan; reduce humidity slightly; remove affected leaves; ensure water droplets don't sit on leaves overnight
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Result of high humidity and stagnant air; improve ventilation; reduce water retention on substrate surface; not typically harmful to plant
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Ensure excellent drainage; repot in fresh sphagnum if roots show decay; reduce watering frequency if waterlogging occurs; improve air circulation
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Plant naturally traps small insects; for severe infestations, spray with insecticidal soap; avoid neem oil which can damage delicate foliage
Uses
Natural Insect Control
WildlifeDrosera aliciae actively traps and digests small flying insects, gnats, and mosquitoes, making it an excellent biological pest control organism for enclosed growing spaces and greenhouses. The sticky tentacles are more effective than traditional fly traps. [source]
Terrarium & Vivarium Specimen
CraftIts compact rosette form and fascinating predatory mechanism make it a prized accent plant in closed terrariums, paludarium vivariums, and specialized carnivorous plant collections. The delicate pink flowers add aesthetic appeal. [source]
Traditional Ethnobotanical Uses
MedicinalSome traditional South African healers have used Drosera species as remedies for cough and respiratory ailments, though scientific evidence is limited and the plant's primary use today is ornamental and educational. [source]
Educational & Botanical Interest
HouseholdGrowing Drosera aliciae teaches valuable lessons about plant adaptation, carnivory, and specialized horticulture. It appeals to plant enthusiasts, educators, and those interested in unique botanical specimens and demonstrates extreme evolutionary responses to nutrient-poor environments. [source]
Nectar Observation
CulinaryWhile not consumed, the plant produces visible sticky nectar on its tentacles that traps prey; this can be observed under magnification as an educational window into plant chemistry and insect attraction mechanisms. [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 aliciae is not harvested for food or material. Seed pods should be allowed to mature on the plant for 3-4 weeks after flowering, then carefully removed when dry and brown; store seeds in cool, dry conditions. Propagation is also achieved through leaf pullings or root cuttings in winter dormancy.
Fun Facts
- 🌱 Drosera aliciae's tentacles (called 'glandular hairs') secrete a sticky, enzyme-rich mucilage that simultaneously traps insects and begins digesting them, effectively turning leaves into stomachs.
- 🌱 The plant is native only to a small region in South Africa's Cape Provinces and was nearly extinct in the wild due to habitat loss; most specimens in cultivation are nursery-propagated.
- 🌱 When an insect touches the outer tentacles, the mechanical stimulation causes the inner tentacles to slowly fold inward over 5-10 minutes, creating a sophisticated trap mechanism without a nervous system.
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