Sandpaper Bush Plant Care
Cadaba farinosa Forssk.
Updated · Sources · How we source care data
Cadaba farinosa is a 2–8 m (6.6–26.2 ft) high evergreen shrub or small tree that belongs to the caper family. It has simple ovate leaves with entire margins, zygomorphic, spidery, greenish, yellowish, whitish or pinkish flowers, and is covered in powdery hairs or scales, particularly the younger parts.
Every 7–14 days
Full sun to partial shade
65–85°F
40–70%
At a glance
How do you care for Sandpaper Bush?
Plant Sandpaper Bush in full sun to partial shade (USDA zones 13b) and water a young tree every 7–14 days until it is established. It tolerates temperatures of 65–85°F (18–29°C). Fertilize it every 6 months during the growing season.
What Is the Sandpaper Bush?
Sandpaper Bush (Cadaba farinosa) belongs to the Capparaceae family within the Cadaba genus. Sandpaper Bush is native to a zone from Senegal to India between the desert and the savanna.
Sandpaper Bush displays a small shrub or tree growth habit, reaching up to 6 ft tall with a spread of approximately 4 ft. Sandpaper Bush produces small, inconspicuous flowers.
Leaf size: approximately 3 inches.
How Often Should You Water a Sandpaper Bush?
Water a young or newly planted Sandpaper Bush 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 Sandpaper Bush Need?
Sandpaper Bush thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Sandpaper Bush Prefer?
Cadaba farinosa tolerates temperatures of 65–85°F. Sandpaper Bush prefers humidity levels of 40–70%.
Temperature
65–85°F
Humidity
40–70%
What Soil Mix Works Best for a Sandpaper Bush?
Well-draining sandy loam with organic matter. Good drainage is essential for Sandpaper Bush to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Sandpaper Bush?
Feed Sandpaper Bush 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 Sandpaper Bush?
Choose a spot with full sun to partial shade and well-draining sandy loam with organic matter. Avoid low spots where water collects after rain.
Sandpaper Bush is suited to USDA Zone 13b.
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 Sandpaper Bush?
Sandpaper Bush 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 Sandpaper Bush?
Prune Sandpaper Bush 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 Sandpaper Bush in Winter?
Sandpaper Bush 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 Sandpaper Bush?
Sandpaper Bush can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to cadaba insularis plant care, which shares the same genus.
Is the Sandpaper Bush Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Sandpaper Bush, 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 Sandpaper Bush?
Sandpaper Bush is susceptible to aphids, scale insects. 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 Sandpaper Bush Need?
Sandpaper Bush grows outdoors in USDA Zone 13b. It survives winters down to planting zone 13b. Sandpaper Bush is native to a zone from Senegal to India between the desert and the savanna. In cooler regions, grow Sandpaper Bush as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13b
Keep exploring plants
Sandpaper Bush 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 Cadaba genus — compare its care with other Cadaba species on PlantoScan.
Cadaba is part of the Capparaceae plant family — browse all Capparaceae genera and species.
Sandpaper Bush 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: Cadaba farinosa Forssk., family Capparaceae (first published in Fl. Aegypt.-Arab. : 68 (1775)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Sandpaper Bush, 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 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.
