Knee-jointed Sundew Plant Care
Drosera gigantea subsp. geniculata N.G.Marchant & Lowrie
Updated · Sources · How we source care data
Drosera gigantea, the giant sundew, is an erect perennial tuberous species in the carnivorous plant genus Drosera that is endemic to Western Australia. It grows in sandy soils at the margins of swamps and near granite outcrops along the Western Australian coast from Albany north to just south of Geraldton.
Full sun to partial shade
At a glance
How do you care for Knee-jointed Sundew?
Knee-jointed Sundew grows best in full sun to partial shade.
Where Is the Knee-jointed Sundew Native To?
What Is the Knee-jointed Sundew?
Knee-jointed Sundew (Drosera gigantea subsp. geniculata) belongs to the Droseraceae family within the Drosera genus. Knee-jointed Sundew is native to Western Australia. Knee-jointed Sundew is also known as Giant Sundew.
Knee-jointed Sundew displays a low rosette, clumping habit growth habit, reaching up to tall with a spread of approximately . Knee-jointed Sundew produces small, delicate white or pink flowers on tall stalks.
What Light Does the Knee-jointed Sundew Need?
Knee-jointed Sundew thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Soil Mix Works Best for a Knee-jointed Sundew?
Nutrient-poor, acidic soil with high organic matter content like sphagnum moss and perlite. Good drainage is essential for Knee-jointed Sundew to prevent waterlogging, which leads to root rot and fungal issues.
How Do You Repot a Knee-jointed Sundew?
Repot every 1-2 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Knee-jointed Sundew?
Knee-jointed Sundew can be propagated through leaf cuttings, division, seeds. Similar propagation techniques also apply to cape sundew plant care, which shares the same genus.
Is the Knee-jointed Sundew Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Knee-jointed Sundew, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Knee-jointed Sundew?
Knee-jointed Sundew is susceptible to aphids, spider mites, fungus gnats. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
Keep exploring plants
Knee-jointed Sundew is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Drosera genus — compare its care with other Drosera species on PlantoScan.
Drosera is part of the Droseraceae plant family — browse all Droseraceae genera and species.
Knee-jointed Sundew thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Drosera gigantea subsp. geniculata N.G.Marchant & Lowrie, family Droseraceae (first published in Kew Bull. 47: 316 (1992)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Knee-jointed Sundew, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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