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PlantSnap
Plant Care
Stiff blue flax
(Linum medium)
Also Known As
Stiff blue flax, Blue flax, Prairie flax, Linum
About This Plant
Linum medium is a flowering plant species native to Europe and Western Asia. It is an annual or biennial herb that can grow up to 1 meter tall. The leaves are narrow and lance-shaped, and the flowers are blue with five petals.
Plant Care Instructions
Outdoor Size Range
24-36 inches (61-91 cm) tall, 6-12 inches (15-30 cm) wide
Light Requirements
Common flax requires full sun to grow properly. It needs at least 6 hours of direct sunlight per day.
Humidity Needs
Common flax prefers average to low humidity levels.
Fertilizing Schedule
Common flax does not require much fertilizer. A balanced fertilizer can be applied once a month during the growing season.
Pruning Guidelines
Common flax does not require pruning, but deadheading spent flowers can encourage more blooms.
Common Pests and Diseases
Common pests and diseases for common flax include aphids, spider mites, and powdery mildew.
Indoor Size Range
N/A
Watering Schedule
Common flax prefers well-draining soil that is kept consistently moist but not waterlogged. It is important not to let the soil dry out completely.
Temperature Range
Common flax prefers cool to moderate temperatures between 60-75°F (15-24°C). It can tolerate some frost.
Growing Season
Common flax typically blooms from late spring to early summer.
Growing Difficulty Level
Common flax is relatively easy to grow, making it a good choice for beginners.
USDA Hardiness Zones
Common flax is hardy in USDA zones 4-8.
Did You Know?
Common flax has been cultivated for thousands of years for its fiber, which is used to make linen.
