About

Camassia 'Blue Heaven' is a bulbous perennial that forms dense clumps and reaches heights of up to 75 cm. It features slender green leaves and produces elongated spikes adorned with pale blue, star-shaped flowers. These blooms, which showcase yellow anthers and green centers, emerge in spring and continue through early summer.

About the genus

Camassia is a group of bulbous perennials characterized by slender, channelled foliage and upright clusters of star-shaped flowers that range in color from violet-blue to creamy-white, typically blooming in early summer.

Growing conditions

Sunlight
Full sun, Partial shade
Soil type
Chalk, Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
South-facing, West-facing, East-facing
Exposure
Exposed, Sheltered
UK hardiness
H4

Plant details

Plant type
Bulbs
Habit
Clump forming, Columnar upright
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
Prairie planting, Wildflower meadow, Cottage and informal garden
Toxicity
Ornamental bulbs - not to be eaten. Wear gloves and other protective equipment when handling. Pets: Ornamental bulbs - not to be eaten - see the HTA guide to potentially harmful plants for further information and useful contact numbers

Care notes

Cultivation
Grow in moist but well-drained fertile, humus-rich soil, in sun or part shade, providing a winter mulch. Do not allow soil to become waterlogged. Plant bulbs 10cm deep in autumn. May have the potential to become a nuisance due to prolific self-seeding if not managed well This plant was part of the RHS Camassia (quamash) trial 2024-2026
Pruning
Cut back old or damaged growth
Propagation
Propagate by seed in containers in a cold frame as soon as ripe or remove offsets when dormant in summer - see bulb propagation
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free