
Photo: fmunozCC BY 4.0via iNaturalistresized / cropped
Gymnosporia cassinoides Plant Care
Gymnosporia cassinoides (L'Hér.) Masf.
Updated · Sources · How we source care data
This plant's distinctive feature is its glossy, dark green leaves with serrated edges, originating from South Africa. Plant collectors are drawn to Gymnosporia cassinoides for its unique ornamental value, adding a touch of exotic beauty to any garden or collection.
Every 7–14 days
Full sun to partial shade
50–85°F
40–70%
At a glance
How do you care for Gymnosporia cassinoides?
Plant Gymnosporia cassinoides in full sun to partial shade (USDA zones 10a–11b) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 50–85°F (10–29°C). Fertilize it every 6 months during the growing season.
Where Is the Gymnosporia cassinoides Native To?
What Is the Gymnosporia cassinoides?
Gymnosporia cassinoides (Gymnosporia cassinoides) belongs to the Celastraceae family within the Gymnosporia genus. Gymnosporia cassinoides is native to the Canary Islands.
Gymnosporia cassinoides displays an upright, dense shrub growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Gymnosporia cassinoides produces small white clusters in spring.
Leaf size: approximately 2 inches.
How Often Should You Water a Gymnosporia cassinoides?
Water a young or newly planted Gymnosporia cassinoides every 7–14 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established trees mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–14 days
Until established; then in dry spells
What Light Does the Gymnosporia cassinoides Need?
Gymnosporia cassinoides thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Gymnosporia cassinoides Prefer?
Gymnosporia cassinoides tolerates temperatures of 50–85°F. Gymnosporia cassinoides prefers humidity levels of 40–70%.
Temperature
50–85°F
Humidity
40–70%
What Soil Mix Works Best for a Gymnosporia cassinoides?
Well-draining sandy loam with added organic matter. Good drainage is essential for Gymnosporia cassinoides to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Gymnosporia cassinoides?
Feed Gymnosporia cassinoides every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established trees in good soil often need little extra feeding, so let weak growth or pale foliage guide you.
Stop feeding by late summer so new growth can harden before winter.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
Where Should You Plant a Gymnosporia cassinoides?
Choose a spot with full sun to partial shade and well-draining sandy loam with added organic matter. Avoid low spots where water collects after rain.
Gymnosporia cassinoides is suited to USDA Zone 10a – 11b.
Plant container-grown or balled-and-burlapped trees in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Gymnosporia cassinoides?
Gymnosporia cassinoides can spread to about 4 ft (1.2 m) and reach about 6 ft (2 m) tall. Space plants about 4 ft (1.2 m) apart so mature crowns don't crowd each other, and plant at least half that distance from buildings, fences and paths.
Planning a row or hedge? Try the tree spacing calculator.
How Do You Prune a Gymnosporia cassinoides?
Prune Gymnosporia cassinoides while it is dormant in late winter: first remove dead, damaged and crossing branches, then thin lightly for shape.
If it flowers in spring, prune right after flowering instead so you don't remove next year's buds. Never take off more than about a quarter of the tree in one year.
How Do You Care for a Gymnosporia cassinoides in Winter?
Gymnosporia cassinoides is frost-tender (hardy to USDA zone 10). In colder areas grow it in a container and move it to a bright, frost-free place before the first frost.
How Do You Propagate a Gymnosporia cassinoides?
Gymnosporia cassinoides can be propagated through seeds, semi-hardwood cuttings. Similar propagation techniques also apply to addat plant care, which shares the same genus.
Is the Gymnosporia cassinoides Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Gymnosporia cassinoides, 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 Gymnosporia cassinoides?
Gymnosporia cassinoides is susceptible to aphids, scale insects, 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 Gymnosporia cassinoides Need?
Gymnosporia cassinoides grows outdoors in USDA Zone 10a – 11b. It survives winters down to planting zone 10a. Gymnosporia cassinoides is native to the Canary Islands. In cooler regions, grow Gymnosporia cassinoides as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10a – 11b
Keep exploring plants
Gymnosporia cassinoides 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 Gymnosporia genus — compare its care with other Gymnosporia species on PlantoScan.
Gymnosporia is part of the Celastraceae plant family — browse all Celastraceae genera and species.
Gymnosporia cassinoides thrives in bright light and direct sun — see other bright-light plants.
More Gymnosporia Species
Other Gymnosporia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Gymnosporia cassinoides (L'Hér.) Masf., family Celastraceae (first published in Anales Soc. Esp. Hist. Nat. 10: 176 (1881)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Gymnosporia cassinoides, 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: fmunoz, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 10a – 11b, 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.
