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rose rockcress

Scientific Name: Arabis blepharophylla

Family: Brassicaceae

Category: Dicot

Growth: Forb/herb

Duration: Perennial

Other Names:

       

Arabis blepharophylla: Coast Rock Cress, Rose Rock Cress

Arabis blepharophylla, commonly known as Coast Rock Cress or Rose Rock Cress, is a delightful spring-blooming perennial that adds vibrant color to gardens. Its low-growing habit makes it particularly well-suited for rock gardens, slopes, and edging.

Considerations for Pets

  • The plant produces small parts (seeds) that may be tempting to chew on, but are non-toxic.

Taxonomy and Nomenclature

  • Scientific Name: Arabis blepharophylla Hook. & Arn.
  • Common Names: Coast Rock Cress, Rose Rock Cress
  • Synonyms: Arabis rosea (mentioned in historical context)

Distribution and Habitat

  • This species is endemic to California.
  • It thrives in rock gardens and on slopes.

Morphological Characteristics and Growth Habits

  • Forms an evergreen mat, typically 4-6 inches tall.
  • The neat foliage grows in tight, low rosettes.
  • Features thin, hairy stems.
  • Varieties like 'Lotti Deep Rose' form a uniform, tightly mounded cushion of bright green foliage.

Ecological Role and Interactions

  • Butterflies are attracted to the flowers.

Varieties and Cultivars

  • 'Rose Delight': Known for abundant rosy flowers with fuchsia centers.
  • 'Little Treasure Deep Rose': A compact variety with deep rose blooms.
  • 'Cascade Purple' and 'Deep Purple': Varieties with purple flowers.
  • 'Rich Rose': Another notable cultivar.

Cultivation and Care

  • Best planted in well-drained soil.
  • Prefers sunny, dry areas.
  • Suitable for rock gardens, walls, and as ground cover.
  • Grows to an eventual height of 10-50cm.

Quirky Facts

  • An illustration of Arabis rosea was published in Curtis Botanical Magazine on June 1, 1833, indicating its historical recognition and appeal.

Additional Resources

  • Saint Mary's College of California
  • Dave's Garden Community
  • Wikimedia Commons
  • Discover Life