Hairy rockcress (Arabis hirsuta)

Hairy rockcress

Also known as: Eschscholtz's rockcress

Hairy rockcress (Arabis hirsuta) is a European flowering plant that grows up to 60 cm tall. Its large primary leaves form a rosette at the base while leaves on the stem stay small. As the name suggests, the plant sprouts hairlike structures all over. It tends to be found along rock walls, ledges, and dunes.

Scientific classification

Species

Hairy rockcress (Arabis hirsuta)

Mustards, capers, and allies

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Biennial, Perennial, Annual

Lifespan

Herb

Plant Type

Late spring

Bloom Time

Mid spring, Late spring, Early summer, Mid summer

Harvest Time

20 cm to 64 cm

Plant Height

20 - 35 ℃

Ideal Temperature

Images of Hairy rockcress

Distribution of Hairy rockcress

Distribution Map

Hairy rockcress is a plant with a broad native range encompassing temperate regions of Europe and Asia, extending to parts of northern Africa. This species has also been introduced and cultivated in additional areas, indicating a wide adaptability beyond its indigenous localities. Hairy rockcress's distribution illustrates a successful colonization of diverse habitats across major continental stretches.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Rocky slopes, crevices, ledges, meadows, moist banks and grounds, granitic soil, wooded slopes

Hemisphere Trend Curve

Northern

Sorthern

Care Guide for Hairy rockcress

Every week

Water

Full sun

Sunlight

20 - 35 ℃

Ideal Temperature

Water: Hairy rockcress prefers consistent moisture and requires weekly watering to mimic its native habitat. Predominantly an outdoor plant, it benefits from seasonal rainfall in temperate climates, allowing it to maintain hydration and thrive effectively in its natural growth conditions.

Fertilize: For optimal growth, hairy rockcress thrives with balanced fertilizers (10-10-10) every 4-6 weeks during the growing season. High nitrogen boosts early leaf growth but can hinder flowering if overused. Reduce fertilization in fall and winter, promoting natural vigor and bloom cycles without risking over-fertilization.

Pruning: Hairy rockcress thrives with minimal pruning, best done in early spring after the last frost to shape and remove damaged stems. Deadheading promotes a second bloom, and ensuring airflow prevents mildew. Use sterile tools for pruning to boost growth and maintain a compact form.

Propagation: Hairy rockcress thrives in well-drained, rocky soils and can be propagated by sowing seeds in a light substratum. Maintain consistent moisture without waterlogging. Transplant seedlings with true leaves to sunny spots, as they prefer alkaline conditions and are adaptable to various soil types.

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