Waldo Rockcress (Arabis aculeolata) is a small, evergreen perennial native to alpine regions, forming compact mats of grey-green foliage and producing white flowers.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers at least 6 hours of direct sunlight daily.
Moderate
50% intensity
Allow soil to dry slightly between waterings; reduce in winter.
Well-drained, Gritty
50% intensity
Moderate
50% intensity
Prefers cool to mild temperatures; hardy to frost.
Low
25% intensity
Feed sparingly in spring; avoid over-fertilization.
Safety information from plant toxicity data
| Attribute | Value |
|---|
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water Waldo Rockcress moderately during the growing season, allowing the soil to dry slightly between waterings. Reduce watering significantly in winter to prevent root rot.
Ensure good drainage to avoid waterlogged conditions, which this plant dislikes.
Prune after flowering to maintain a tidy appearance and encourage denser growth. Deadhead spent flowers to prevent seed formation and direct energy back into the plant.
Light trimming can also be done in early spring before new growth begins.
Propagate Waldo Rockcress by taking basal cuttings in spring or early summer. Root cuttings in a well-draining, moist medium. Alternatively, sow seeds in autumn or early spring.
Division of established clumps is also an effective method.
Repot young plants annually in spring to ensure adequate space for root development. Established plants can be repotted every 2-3 years or when they become root-bound.
Use a free-draining compost mix in a slightly larger pot.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Waldo Rockcress (Arabis aculeolata)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Magnoliopsida |
| Order | Brassicales |
| Family | Brassicaceae |
| Genus | Arabis |
| Species | Arabis aculeolata |
Similar in genus Arabis
Answers based on plant encyclopedia data
