Overview
Oxytropis lambertii is a plant with a low-growing perennial habit in the genus Oxytropis, part of the Fabaceae family, with deciduous foliage. Oxytropis lambertii grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include rock gardens and alpine beds.
About
Oxytropis lambertii, commonly known as locoweed or purple loco, is a low-growing perennial from the Fabaceae family. This deciduous plant thrives in full sun with a south-facing, sheltered aspect and prefers well-drained, neutral loam soil. Hardy to UK zone H4, it is suitable for rock gardens and alpine beds. Best planted in well-drained soil with watering during establishment, it can be propagated by seed or division and offers seasonal interest in spring and summer.
About the genus
Oxytropis is a genus of plants in the legume family. It includes over 600 species native to subarctic to temperate regions of North America and Eurasia. It is one of three genera of plants known as locoweeds, and are notorious for being toxic to grazing animals.
Wikipedia contributors, "Oxytropis", CC BY-SA 4.0 — Oxytropis
Growing conditions
Best soil and position for Oxytropis
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Oxytropis lambertii size, habit and characteristics
- Habit
- Low-growing perennial
- Foliage
- Deciduous
- Suggested uses
- Rock gardens, alpine beds
Care notes
Pruning and caring for Oxytropis lambertii
- Propagation
- Seed, division
- Pest resistance
- Resistant to most pests
- Disease resistance
- Resistant to most diseases
Frequently asked questions
Where is the best place to plant Oxytropis lambertii?
Oxytropis lambertii prefers full sun. It suits sheltered positions.
What soil does Oxytropis lambertii need?
Oxytropis lambertii grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Oxytropis lambertii hardy in the UK?
Oxytropis lambertii has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Oxytropis lambertii?
Seed, division.