Overview

Calochortus albus is a plant with a bulbous perennial habit in the genus Calochortus, part of the Liliaceae family, with linear leaves foliage. Calochortus albus grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include borders, containers and rock gardens.

About

Calochortus albus, commonly known as white Mariposa lily, is a bulbous perennial in the Liliaceae family. It produces tulip-shaped, white flowers in spring and early summer, borne on branched stems above linear leaves. This cultivar thrives in full sun with a south-facing, sheltered aspect and prefers well-drained, neutral loam soil. Suitable for borders, containers, and rock gardens, it is hardy to UK zone H5 and can be propagated by bulbs or seeds.

About the genus

Calochortus is a genus of flowering plants in the lily family. The group includes herbaceous, perennial and bulbous species, all native to North America.

Wikipedia contributors, "Calochortus", CC BY-SA 4.0Calochortus

Growing conditions

Best soil and position for Calochortus

Sunlight
Full sun
Soil type
Loam
Soil pH
Neutral
Soil moisture
Well-drained
Aspect
South-facing
Exposure
Sheltered
UK hardiness
H5

Plant details

Calochortus albus size, habit and characteristics

Habit
Bulbous perennial
Foliage
Linear leaves
Suggested uses
Borders, containers, rock gardens

Care notes

Pruning and caring for Calochortus albus

Propagation
Bulbs, seeds
Pest resistance
Susceptible to aphids, snails, slugs
Disease resistance
Susceptible to root rot, mildew

Frequently asked questions

Where is the best place to plant Calochortus albus?

Calochortus albus prefers full sun. It suits sheltered positions.

What soil does Calochortus albus need?

Calochortus albus grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Calochortus albus hardy in the UK?

Calochortus albus 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 Calochortus albus?

Bulbs, seeds.