Giant montbretia (Crocosmia masoniorum)

Giant montbretia (Crocosmia masoniorum) is a bulbous (or similar) plant that can grow 50cm – 1.5m tall and 10cm – 50cm wide.

This plant is commonly known as giant montbretia.

This is a deciduous plant that takes 2-5 years to reach full maturity.

Plant profile

Common name: giant montbretia
Scientific name: Crocosmia masoniorum
Plant type: Bulbs, Perennials
Habit: Clump-forming
Height: 50cm – 1.5m
Spread: 10cm – 50cm
Foliage: Deciduous
Sunlight: Partial shade
Soil: Chalk, Clay, Loam, Sand
Moisture: Moist but well drained
Garden type: City & Courtyard Gardens, Informal Garden, Mediterranean Garden, Rock & Gravel Garden, Wildflower meadow
Planting type: Cut Flowers, Flower borders and bedding, Low Maintenance, Wall-side Borders
Other characteristics: RHS Award of Garden Merit

Seasonal colors

How to plant Giant montbretia (Crocosmia masoniorum) – Dinesh Valke from Thane, India, CC BY-SA 2.0, via Wikimedia Commons

Cultivation profiles – Growing Giant montbretia (Crocosmia masoniorum) – Guy Waterval, Apache License 2.0, via Wikimedia Commons