Overview

Kalmiopsis leachiana 'Marcel le Piniec' is a bushy alpine rockery in the genus Kalmiopsis, part of the Ericaceae family, with evergreen foliage. Kalmiopsis leachiana 'Marcel le Piniec' grows best in full sun and partial shade, and tolerates most soils and acid and neutral pH. Its UK hardiness is rated H5. Suggested uses include rock garden and underplanting of roses and shrubs.

About

Kalmiopsis leachiana, commonly referred to as Siskiyou kalmiopsis, is a rare flowering plant endemic to the Siskiyou Mountains of southwest Oregon, where it is specially protected in the 179,755-acre (727.4 km2) Kalmiopsis Wilderness reserve. It was discovered in 1930 by Lilla Leach in the Gold Basin area.

Growing conditions

Best soil and position for Kalmiopsis

Sunlight
Full sun, Partial shade
Soil type
Clay, Loam, Sand
Soil pH
Acid, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H5

Plant details

Kalmiopsis leachiana 'Marcel le Piniec' size, habit and characteristics

Plant type
Alpine Rockery, Shrubs
Habit
Bushy
Foliage
Evergreen
Suggested uses
Rock garden, Underplanting of roses and shrubs

Care notes

Pruning and caring for Kalmiopsis leachiana 'Marcel le Piniec'

Propagation
Seed sown at 6-12°C in spring, Semi-hardwood cuttings in summer
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Kalmiopsis leachiana 'Marcel le Piniec'?

Kalmiopsis leachiana 'Marcel le Piniec' prefers full sun and partial shade. It suits exposed and sheltered positions.

What soil does Kalmiopsis leachiana 'Marcel le Piniec' need?

Kalmiopsis leachiana 'Marcel le Piniec' is adaptable and grows happily in most soil types, including clay, loam and sand. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.

Is Kalmiopsis leachiana 'Marcel le Piniec' hardy in the UK?

Kalmiopsis leachiana 'Marcel le Piniec' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Kalmiopsis leachiana 'Marcel le Piniec'?

Seed sown at 6-12°C in spring, Semi-hardwood cuttings in summer.