Scientific: Linum grandiflorum
Common: flowering flax
Family: Linaceae
Origin: North Africa, naturalized in portions of coastal California
Pronounciation: LIN-um gran-di-FLOR-um
Hardiness zones
Sunset All as winter or summer annual
USDA All as winter of summer annual
Landscape Use: Mixed wildflower gardens, cool season annual in the lower Arizona desert, masses of floral color accent.
Form & Character: Upright and wispy, vulnerable, festive in bloom.
Growth Habit: Herbaceous annual, moderate to 6- to 18-inches tall depending on water availability, sometimes branched.
Foliage/Texture: Simple, alternate, linear-lanceolate to 1.25-inches long, gray green leaves tapering to a tip on gray green stems; fine texture.
Flowers & Fruits: Flowers, shades of red, in loose panicle to 1.5-inches across, sepals lanceolate with acuminate tip, petal margins cilate; fruit is a 5 to 10 celled cap.
Seasonal Color: Late winter and spring garden color in Phoenix.
Temperature: Flowering flax has a cardinal temperature range of 30o to 90oF.
Light: Full sun
Soil: Tolerant
Watering: Supplement if winter rains fail.
Pruning: None, though allow to seed before rouging if your desire is to naturalize in your garden.
Propagation: Seed
Disease and Pests: None
Additional comments: Flowering flax has naturalized in United States. Cultivar 'Rubrum' has bright scarlet red flowers, 'Roseum' has rose pink flowers, and 'Coccineum' has deep scarlet red flowers.