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Brassicaceae
Noccaea caerulescens
Noccaea caerulescens
Also known as Noccaea occitanica, Thlaspi caerulescens, Thlaspi alpestre var. tunense, Crucifera coerulescens
Native Plants · Alpine · Brassicaceae · Hyperaccumulator · Heavy Metal · Rock Garden · European Native · Wildflower · Pennycress · Specialist · Perennial
Alpine pennycress (Noccaea caerulescens) is a fascinating European perennial known for its ability to hyperaccumulate heavy metals such as zinc and cadmium from soils. It thrives in rocky, well-drained, or metalliferous soils in sunny to partially shaded positions and requires very little care once established. This plant is of great scientific interest and is best suited to naturalistic, rock, or specialist gardens.
Growing conditions
The details behind the basics
- Daily light
- 5 hours
- Watering
- Water lightly, allowing soil to partially dry between waterings · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 5.5–6.5
- Temperature
- -20°F to 85°F
- Cycle
- Perennial
- Propagation
- Seed, Cutting
Hardiness
USDA 5a-10b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- Spacing
- 8 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Austria, Baltic States, Belarus, Belgium, Central European Rus, Czechoslovakia, Denmark, Finland, France, Germany, Great Britain, Italy, Netherlands, North European Russi, Northwest European R, Norway, Poland, Spain, Sweden, Switzerland
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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