Conosapium madagascariense Plant Care
Conosapium madagascariense Müll.Arg.
Updated · Sources · How we source care data
Conosapium is a plant genus of the family Euphorbiaceae first described as a genus in 1863. It contains only one known species, Conosapium madagascariense, which is endemic to Madagascar.
Every 7–10 days
Bright indirect to partial shade
65–80°F
50–70%
At a glance
How do you care for Conosapium madagascariense?
Plant Conosapium madagascariense in bright indirect to partial shade (USDA zones 13b) and water a young shrub every 7–10 days until it is established. It tolerates temperatures of 65–80°F (18–27°C). Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
Where Is the Conosapium madagascariense Native To?
What Is the Conosapium madagascariense?
Conosapium madagascariense (Conosapium madagascariense) belongs to the Euphorbiaceae family within the Conosapium genus. Conosapium madagascariense is native to Madagascar.
Conosapium madagascariense displays an upright, branching shrub growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Conosapium madagascariense produces small clusters of inconspicuous greenish flowers.
Leaf size: approximately 4 inches.
How Often Should You Water a Conosapium madagascariense?
Water a young or newly planted Conosapium madagascariense every 7–10 days, soaking the whole root zone, until it is established — usually one to two growing seasons. Established shrubs mainly need water during long dry spells. In a container, water whenever the top few centimetres of soil are dry.
Watering Frequency
Every 7–10 days
Until established; then in dry spells
What Light Does the Conosapium madagascariense Need?
Conosapium madagascariense thrives in bright indirect to partial shade. Avoid placing Conosapium madagascariense in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect to partial shade
What Temperature and Humidity Does the Conosapium madagascariense Prefer?
Conosapium madagascariense tolerates temperatures of 65–80°F. Conosapium madagascariense prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
65–80°F
Humidity
50–70%
What Soil Mix Works Best for a Conosapium madagascariense?
Well-draining sandy loam with added organic matter for moisture retention. Good drainage is essential for Conosapium madagascariense to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Conosapium madagascariense?
Feed Conosapium madagascariense every 6 months during the growing season with a balanced, slow-release fertilizer at the rate on the label. Established shrubs 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 Conosapium madagascariense?
Choose a spot with bright indirect to partial shade and well-draining sandy loam with added organic matter for moisture retention. Avoid low spots where water collects after rain.
Conosapium madagascariense is suited to USDA Zone 13b.
Plant container-grown or balled-and-burlapped shrubs in spring or early autumn, setting the root flare at soil level, and water well after planting.
How Far Apart Should You Plant a Conosapium madagascariense?
Conosapium madagascariense can spread to about 2 ft (0.6 m) and reach about 3 ft (1 m) tall. Space plants about 2 ft (0.6 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 plant spacing calculator.
How Do You Prune a Conosapium madagascariense?
Prune Conosapium madagascariense 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 shrub in one year.
How Do You Care for a Conosapium madagascariense in Winter?
Conosapium madagascariense is frost-tender (hardy to USDA zone 13). 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 Conosapium madagascariense?
Conosapium madagascariense can be propagated through stem cuttings, air layering, division.
Is the Conosapium madagascariense Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
Mildly toxic to humans and pets if ingested
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 Conosapium madagascariense?
Conosapium madagascariense is susceptible to spider mites, scale insects, mealybugs. 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 Conosapium madagascariense Need?
Conosapium madagascariense grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Conosapium madagascariense is native to Madagascar. In cooler regions, grow Conosapium madagascariense as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Conosapium madagascariense 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 Conosapium genus — compare its care with other Conosapium species on PlantoScan.
Conosapium is part of the Euphorbiaceae plant family — browse all Euphorbiaceae genera and species.
Conosapium madagascariense 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: Conosapium madagascariense Müll.Arg., family Euphorbiaceae (first published in Linnaea 32: 87 (1863)) — World Flora Online record, IPNI name record.
- Pet toxicity: Conosapium madagascariense is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13b, 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.
