Brassicaceae
Boechera holboellii
Boechera holboellii
Also known as Arabis holboellii var. typica, Arabis lilacina, Streptanthus virgatus, Erysimum holboellii
Flowering Plants · Native Plants · Rockcress · Alpine · Wildflower · Brassicaceae · White Flowers · Rock Garden · Native · Perennial · Shade Tolerant
Holboell's rockcress is a hardy alpine perennial best suited to rock gardens or naturalized woodland edges with partial shade. Water regularly during the growing season, ensuring good soil drainage to prevent root rot. This low-maintenance plant is rarely available commercially and is best sourced from specialty native plant nurseries.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water moderately, keeping soil evenly moist but not waterlogged · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 5.4–7.4
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed, Division, Cutting
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 4 ft
- Spread
- 4 ft
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Greenland
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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