Overview

Olsynium douglasii white with purple stripes is a clump-forming perennial alpine rockery in the genus Olsynium, part of the Iridaceae family, with deciduous foliage. Olsynium douglasii white with purple stripes grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include rock garden, gravel garden and patio and container plants.

About

Olsynium douglasii white with purple stripes is a clump-forming perennial cultivar within the Olsynium genus, which comprises herbaceous perennials with fibrous roots and basal linear or lanceolate leaves. This cultivar produces nodding, trumpet- or bell-shaped flowers in spring, displaying a distinctive white colour with purple stripes. It thrives in full sun on south-facing, sheltered sites with fertile, moist but well-drained neutral loam soil. Hardy to UK zone H5, it is suitable for rock gardens, gravel gardens, patios, and containers, offering seasonal interest in both spring and summer.

About the genus

Olsynium is a genus of summer-dormant rhizomatous perennial flowering plants in the iris family Iridaceae, native to sunny hillsides in South America and western North America.

Wikipedia contributors, "Olsynium", CC BY-SA 4.0 — Olsynium

Growing conditions

Best soil and position for Olsynium

Sunlight

Full sun

Soil type

Loam

Soil pH

Neutral

Soil moisture

Moist but well-drained

Aspect

South-facing

Exposure

Sheltered

UK hardiness

H5

Plant details

Olsynium douglasii white with purple stripes size, habit and characteristics

Plant type

Alpine Rockery, Herbaceous Perennial

Habit

Clump-forming perennial

Foliage

Deciduous

Suggested uses

Rock garden, Gravel garden, Patio and container plants

Care notes

Pruning and caring for Olsynium douglasii white with purple stripes

Propagation

Seed sown in containers in a cold frame in autumn

Pest resistance

Generally problem free

Disease resistance

Generally problem free

Frequently asked questions