Photo: aarongunnarCC BY 4.0via iNaturalistresized / cropped
Fewflower Rock Cress Plant Care
Arabis pycnocarpa Hopkins
Updated · Sources · How we source care data
Arabis pycnocarpa is easily recognized by its dense clusters of small, white flowers that bloom in the spring. Originating from the Mediterranean region, this plant is sought after by collectors for its attractive foliage and ability to thrive in rocky, well-drained soils.
Every 7–10 days
Full sun to part shade
50–75°F
40–60%
At a glance
How do you care for Fewflower Rock Cress?
Water Fewflower Rock Cress every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to part shade. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Fewflower Rock Cress Native To?
What Is the Fewflower Rock Cress?
Fewflower Rock Cress (Arabis pycnocarpa) belongs to the Brassicaceae family within the Arabis genus. Fewflower Rock Cress is native to North America and eastern Asia, being found in rocky, calcareous areas. Fewflower Rock Cress is also known as Slender Rock Cress.
Fewflower Rock Cress displays a low-growing spreading perennial growth habit, reaching up to 0.5 ft tall with a spread of approximately 1.5 ft. Fewflower Rock Cress produces small white or pink flowers in clusters.
Leaf size: approximately 2 inches.
How Often Should You Water a Fewflower Rock Cress?
Arabis pycnocarpa 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 Fewflower Rock Cress Need?
Fewflower Rock Cress thrives in full sun to part shade.
Light Requirement
Full sun to part shade
What Temperature and Humidity Does the Fewflower Rock Cress Prefer?
Arabis pycnocarpa grows best at temperatures of 50–75°F. Fewflower Rock Cress prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a Fewflower Rock Cress?
Well-draining sandy loam with added organic matter. Good drainage is essential for Fewflower Rock Cress to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Fewflower Rock Cress?
Feed Fewflower Rock Cress 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 Fewflower Rock Cress?
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 Fewflower Rock Cress?
Fewflower Rock Cress can be propagated through seeds, division. Similar propagation techniques also apply to alpine rockcress plant care, which shares the same genus.
Is the Fewflower Rock Cress Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Fewflower Rock Cress, 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 Fewflower Rock Cress?
Fewflower Rock Cress is susceptible to aphids, caterpillars, flea beetles. 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 Fewflower Rock Cress Need?
Fewflower Rock Cress grows outdoors in USDA Zone 3a – 8b. It survives winters down to planting zone 3a. Fewflower Rock Cress is native to North America and eastern Asia, being found in rocky, calcareous areas.
Hardiness Zone
Zone 3a – 8b
Keep exploring plants
Fewflower Rock Cress 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 Arabis genus — compare its care with other Arabis species on PlantoScan.
Arabis is part of the Brassicaceae plant family — browse all Brassicaceae genera and species.
Fewflower Rock Cress thrives in bright light and direct sun — see other bright-light plants.
More Arabis Species
Other Arabis species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Arabis pycnocarpa Hopkins, family Brassicaceae (first published in Rhodora 1937, xxxix. 112.) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Fewflower Rock Cress, 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.
- Photo: aarongunnar, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 3a – 8b, 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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