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dwarf rockcress
Scientific Name: Arabis parishii
Family: Brassicaceae
Category: Dicot
Growth: Forb/herb
Duration: Perennial
Other Names:
Rock Cress
Rock Cress is a popular spring-flowering perennial often used in rock gardens. Several varieties exist, offering a range of colors and growth habits.
Considerations for Pets
- Some varieties have a mounding habit.
Considerations for Children
- Some varieties have a mounding habit.
Scientific Name and Common Names
- Several species are referred to as Rock Cress or Dwarf Rock Cress.
- Aubrieta gracilis: Also known as Dwarf Rock Cress.
- Arabis parishii: Also known as Dwarf Rock Cress.
- Arabis alpina: Known as Alpine Rock Cress.
- Arabis pumila: Known as Dwarf Rock Cress.
- Arabis lyrata: Known as Lyre Leaf Rockcress Dwarf Rockcress.
Taxonomy and Nomenclature
- Family: Brassicaceae (Mustard Family)
- Genus: Arabis, Aubrieta, Boechera, and Arabidopsis
- Synonyms: Arabis ludoviciana is listed as a synonym for Arabidopsis lyrata subsp. lyrata.
Distribution and Habitat
- Grows well in rock gardens, scree, cascading over walls, for edging, or in alpine containers.
- Arabis alpina is common in rock gardens.
- Mentioned as available at Hicks Nurseries in Long Island, Westbury, Nassau County, Jericho, and Mineola, New York.
Morphological Characteristics and Growth Habits
- Spring flowering perennial.
- Often forms a mound.
- Some varieties are dwarf, double, pink, and variegated.
- Height may reach 30 cm.
- Leaves can be lobed and 1-6 cm long.
Ecological Role
- Dwarf Rockcress is deer resistant once established.
- Tolerates harsh temperatures and can be grown outdoors year-round.
Quirky Facts
- One of the smallest and dwarfest rock-cresses.
- There is a variety called 'Purple Jem' with purple flowers.
- Some people have trouble distinguishing Aubrieta gracilis from phlox.
- Can be drought resistant once established.
- Some varieties produce magenta-purple flowers from mid to late spring.
Further Information
- Dave's Garden provides a community forum for sharing tips and ideas.
- Encyclopedia of Life includes molecular biology and genetics information for Arabis pumila.
- Discover Life provides information on the biology, natural history, ecology, identification, and distribution of Arabis parishii.