White restharrow Plant Care
Ononis alba subsp. alba Poir.
Updated · Sources · How we source care data
With its unique silver-green leaves covered in soft white hairs, this plant originates from the Mediterranean region. Plant collectors are drawn to Ononis alba subsp. alba for its striking foliage and ability to thrive in hot, dry climates.
Every 7–10 days
Full sun to partial shade
50–80°F
40–70%
At a glance
How do you care for White restharrow?
Water White restharrow every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.
What Is the White restharrow?
White restharrow (Ononis alba subsp. alba) belongs to the Fabaceae family within the Ononis genus. White restharrow is native to Europe, North Africa. White restharrow is also known as Restharrow.
White restharrow displays a low-growing spreading perennial growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. White restharrow produces small pea-like flowers in shades of pink, purple, or white.
Leaf size: approximately 2 inches.
How Often Should You Water a White restharrow?
Ononis alba subsp. alba requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the White restharrow Need?
White restharrow thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the White restharrow Prefer?
Ononis alba subsp. alba grows best at temperatures of 50–80°F. White restharrow prefers humidity levels of 40–70%.
Temperature
50–80°F
Humidity
40–70%
What Soil Mix Works Best for a White restharrow?
Well-draining sandy loam with added organic matter. Good drainage is essential for White restharrow to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a White restharrow?
Feed White restharrow every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a White restharrow?
Repot every 2-3 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a White restharrow?
White restharrow can be propagated through seeds, division of rootball. Similar propagation techniques also apply to fox restharrow plant care, which shares the same genus.
Is the White restharrow Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list White restharrow, 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 White restharrow?
White restharrow is susceptible to aphids, leafhoppers, 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 White restharrow Need?
White restharrow grows outdoors in USDA Zone 9a – 10b. It survives winters down to planting zone 9a. White restharrow is native to Europe, North Africa. In cooler regions, grow White restharrow as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9a – 10b
Keep exploring plants
White restharrow 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 Ononis genus — compare its care with other Ononis species on PlantoScan.
Ononis is part of the Fabaceae plant family — browse all Fabaceae genera and species.
White restharrow thrives in bright light and direct sun — see other bright-light plants.
More Ononis Species
Other Ononis species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Ononis alba subsp. alba Poir., family Fabaceae — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list White restharrow, 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 9a – 10b, 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.
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