Cloud Mountain Cycad Plant Care
Encephalartos nubimontanus P.J.H.Hurter
Updated · Sources · How we source care data
This plant's striking, silvery-blue leaves make it stand out in any collection. Originating from the Nuba Mountains in Sudan, Encephalartos nubimontanus is highly sought after by plant collectors for its rare and unique appearance.
Every 14–21 days
Bright indirect light
50–80°F
50–70%
At a glance
How do you care for Cloud Mountain Cycad?
Plant Cloud Mountain Cycad in bright indirect light (USDA zones 9b–11b) and water a young tree every 14–21 days until it is established. It tolerates temperatures of 50–80°F (10–27°C). Fertilize it every 8 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
Where Is the Cloud Mountain Cycad Native To?
What Is the Cloud Mountain Cycad?
Cloud Mountain Cycad (Encephalartos nubimontanus) belongs to the Zamiaceae family within the Encephalartos genus. Cloud Mountain Cycad is native to Limpopo, South Africa.
Cloud Mountain Cycad displays a slow-growing cycad growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Cloud Mountain Cycad produces cones rather than typical flowers.
Leaf size: approximately 24 inches.
How Often Should You Water a Cloud Mountain Cycad?
Water a young or newly planted Cloud Mountain Cycad every 14–21 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 14–21 days
Until established; then in dry spells
What Light Does the Cloud Mountain Cycad Need?
Cloud Mountain Cycad thrives in bright indirect light. Avoid placing Cloud Mountain Cycad in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Cloud Mountain Cycad Prefer?
Encephalartos nubimontanus tolerates temperatures of 50–80°F. Cloud Mountain Cycad prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
50–80°F
Humidity
50–70%
What Soil Mix Works Best for a Cloud Mountain Cycad?
Well-draining sandy soil mix with added organic matter like compost or peat moss. Good drainage is essential for Cloud Mountain Cycad to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Cloud Mountain Cycad?
Feed Cloud Mountain Cycad every 8 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 8 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 Cloud Mountain Cycad?
Choose a spot with bright indirect light and well-draining sandy soil mix with added organic matter like compost or peat moss. Avoid low spots where water collects after rain.
Cloud Mountain Cycad is suited to USDA Zone 9b – 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 Cloud Mountain Cycad?
Cloud Mountain Cycad 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 Cloud Mountain Cycad?
Prune Cloud Mountain Cycad 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 Cloud Mountain Cycad in Winter?
Cloud Mountain Cycad is frost-tender (hardy to USDA zone 9). 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 Cloud Mountain Cycad?
Cloud Mountain Cycad can be propagated through seeds, offsets (pups). Similar propagation techniques also apply to krantz aloe plant care, which shares the same genus.
Is the Cloud Mountain Cycad Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
Toxic to animals 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 Cloud Mountain Cycad?
Cloud Mountain Cycad is susceptible to scale insects, mealybugs, 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 Cloud Mountain Cycad Need?
Cloud Mountain Cycad grows outdoors in USDA Zone 9b – 11b. It survives winters down to planting zone 9b. Cloud Mountain Cycad is native to Limpopo, South Africa. In cooler regions, grow Cloud Mountain Cycad as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9b – 11b
Keep exploring plants
Cloud Mountain Cycad 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 Encephalartos genus — compare its care with other Encephalartos species on PlantoScan.
Encephalartos is part of the Zamiaceae plant family — browse all Zamiaceae genera and species.
Cloud Mountain Cycad thrives in bright light and direct sun — see other bright-light plants.
More Encephalartos Species
Other Encephalartos species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Encephalartos nubimontanus P.J.H.Hurter, family Zamiaceae (first published in Phytologia 78: 409 (1995)) — World Flora Online record, IPNI name record.
- Pet toxicity: Cloud Mountain Cycad 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 9b – 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.
