Photo: María Regina SilvaCC BY 4.0via iNaturalistresized / cropped
One-flowered Sundew Plant Care
Drosera uniflora Willd.
Updated · Sources · How we source care data
Drosera uniflora, also known as the Cape Sundew, is a carnivorous plant with distinctive spoon-shaped leaves covered in sticky hairs to trap insects. It is native to South Africa and thrives in wet, marshy habitats, making it a popular choice among plant enthusiasts for its unique feeding habits.
Every 2–4 days
Full sun to partial shade
60–80°F
60–80%
At a glance
How do you care for One-flowered Sundew?
Water One-flowered Sundew every 2–4 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 60–80% humidity. Fertilize it every month during the growing season.
What Is the One-flowered Sundew?
One-flowered Sundew (Drosera uniflora) belongs to the Droseraceae family within the Drosera genus. One-flowered Sundew is native to Patagonia and the Falkland Islands.
One-flowered Sundew displays a low rosette, clumping habit growth habit, reaching up to tall with a spread of approximately . One-flowered Sundew produces small, delicate white or pink flowers on tall stalks.
Leaf size: approximately 2 inches.
How Often Should You Water a One-flowered Sundew?
Drosera uniflora requires watering every 2–4 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 2–4 days
Let soil partially dry between waterings
What Light Does the One-flowered Sundew Need?
One-flowered Sundew thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the One-flowered Sundew Prefer?
Drosera uniflora grows best at temperatures of 60–80°F. One-flowered Sundew prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–80°F
Humidity
60–80%
What Soil Mix Works Best for a One-flowered Sundew?
Nutrient-poor, acidic soil with high organic matter content like sphagnum moss and perlite. Good drainage is essential for One-flowered Sundew to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a One-flowered Sundew?
Feed One-flowered Sundew every month during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every month
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a One-flowered 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 One-flowered Sundew?
One-flowered 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 One-flowered Sundew Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list One-flowered 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 One-flowered Sundew?
One-flowered 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.
What USDA Hardiness Zone Does the One-flowered Sundew Need?
One-flowered Sundew grows outdoors in USDA Zone 8a – 9b. It survives winters down to planting zone 8a. One-flowered Sundew is native to Patagonia and the Falkland Islands.
Hardiness Zone
Zone 8a – 9b
Keep exploring plants
One-flowered 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.
One-flowered Sundew thrives in bright light and direct sun — see other bright-light plants.
More Drosera Species
Other Drosera species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Drosera uniflora Willd., family Droseraceae (first published in Enum. Pl. : 340 (1809)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list One-flowered 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.
- Photo: María Regina Silva, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 8a – 9b, estimated from the plant's typical growing conditions.
- 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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