Starry wild cotton Plant Care
Xysmalobium samoritourei Goyder
Updated · Sources · How we source care data
This plant's long, narrow leaves are its most distinctive feature, giving it a unique and elegant appearance. Originating from South Africa, Xysmalobium samoritourei is highly sought after by plant collectors for its striking foliage and beautiful star-shaped flowers.
Every 7–10 days
Bright indirect light
60–80°F
40–70%
At a glance
How do you care for Starry wild cotton?
Water Starry wild cotton every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 60–80°F (16–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
Where Is the Starry wild cotton Native To?
What Is the Starry wild cotton?
Starry wild cotton (Xysmalobium samoritourei) belongs to the Apocynaceae family within the Xysmalobium genus. Starry wild cotton is native to the highlands of Guinea. Starry wild cotton is also known as Samoritourei milkweed.
Starry wild cotton displays an upright, vine-like growth habit, reaching up to 2.5 ft tall with a spread of approximately 1.5 ft. Starry wild cotton produces small star-shaped flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Starry wild cotton?
Xysmalobium samoritourei requires watering every 7–10 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 7–10 days
Let soil partially dry between waterings
What Light Does the Starry wild cotton Need?
Starry wild cotton thrives in bright indirect light. Avoid placing Starry wild cotton in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Starry wild cotton Prefer?
Xysmalobium samoritourei grows best at temperatures of 60–80°F. Starry wild cotton prefers humidity levels of 40–70%.
Temperature
60–80°F
Humidity
40–70%
What Soil Mix Works Best for a Starry wild cotton?
Well-draining sandy soil mix with added organic matter. Good drainage is essential for Starry wild cotton to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Starry wild cotton?
Feed Starry wild cotton every 6 months 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 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Starry wild cotton?
Repot every 1-2 years in 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 Starry wild cotton?
Starry wild cotton can be propagated through seeds, stem cuttings.
Is the Starry wild cotton Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Starry wild cotton, 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 Starry wild cotton?
Starry wild cotton is susceptible to aphids, spider mites. 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 Starry wild cotton Need?
Starry wild cotton grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Starry wild cotton is native to the highlands of Guinea. In cooler regions, grow Starry wild cotton as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Starry wild cotton 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 Xysmalobium genus — compare its care with other Xysmalobium species on PlantoScan.
Xysmalobium is part of the Apocynaceae plant family — browse all Apocynaceae genera and species.
Starry wild cotton 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: Xysmalobium samoritourei Goyder, family Apocynaceae (first published in Kew Bull. 63: 473 (2008 publ. 2009)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Starry wild cotton, 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.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- 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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