Socotran borage Plant Care
Kraussia socotrana Bridson
Updated · Sources · How we source care data
This plant is characterized by its striking silver-green, succulent leaves that form a rosette shape. Originating from the island of Socotra off the coast of Yemen, Kraussia socotrana is highly sought after by plant collectors for its rarity and unique appearance in tropical gardens.
Every 7–10 days
Bright indirect light
65–80°F
50–70%
At a glance
How do you care for Socotran borage?
Plant Socotran borage in bright indirect light (USDA zones 10b–11b) 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.
Where Is the Socotran borage Native To?
What Is the Socotran borage?
Socotran borage (Kraussia socotrana) belongs to the Rubiaceae family within the Kraussia genus. Socotran borage is native to Socotra, Yemen. Socotran borage is also known as Socotran sage.
Socotran borage displays a compact, mounding shrub growth habit, reaching up to 2.5 ft tall with a spread of approximately 3 ft. Socotran borage produces small, fragrant white flowers in clusters.
Leaf size: approximately 4 inches.
How Often Should You Water a Socotran borage?
Water a young or newly planted Socotran borage 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 Socotran borage Need?
Socotran borage thrives in bright indirect light. Avoid placing Socotran borage in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Socotran borage Prefer?
Kraussia socotrana tolerates temperatures of 65–80°F. Socotran borage 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 Socotran borage?
Well-draining, acidic soil with high organic content. Good drainage is essential for Socotran borage to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Socotran borage?
Feed Socotran borage 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 Socotran borage?
Choose a spot with bright indirect light and well-draining, acidic soil with high organic content. Avoid low spots where water collects after rain.
Socotran borage is suited to USDA Zone 10b – 11b.
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 Socotran borage?
Socotran borage can spread to about 3 ft (0.9 m) and reach about 3 ft (1 m) tall. Space plants about 3 ft (0.9 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 Socotran borage?
Prune Socotran borage 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 Socotran borage in Winter?
Socotran borage 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 Socotran borage?
Socotran borage can be propagated through seeds, stem cuttings. Similar propagation techniques also apply to kraussia floribunda plant care, which shares the same genus.
Is the Socotran borage Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Socotran borage, 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 Socotran borage?
Socotran borage is susceptible to aphids, scale insects, whiteflies. 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 Socotran borage Need?
Socotran borage grows outdoors in USDA Zone 10b – 11b. It survives winters down to planting zone 10b. Socotran borage is native to Socotra, Yemen. In cooler regions, grow Socotran borage as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 10b – 11b
Keep exploring plants
Socotran borage 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 Kraussia genus — compare its care with other Kraussia species on PlantoScan.
Kraussia is part of the Rubiaceae plant family — browse all Rubiaceae genera and species.
Socotran borage 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: Kraussia socotrana Bridson, family Rubiaceae (first published in Kew Bull. 50: 773 (1995)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Socotran borage, 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 10b – 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.
