Alpine Flax Plant Care
Linum alpinum L.
Updated · Sources · How we source care data
Linum alpinum, the alpine flax, is a species of perennial plant belonging to the Linaceae family.
Every 7–10 days
Full sun to partial shade
60–80°F
40–60%
At a glance
How do you care for Alpine Flax?
Water Alpine Flax every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
What Is the Alpine Flax?
Alpine Flax (Linum alpinum) belongs to the Linaceae family within the Linum genus.
Alpine Flax displays an upright, branching herb growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Alpine Flax produces delicate five-petaled flowers in shades of blue, pink, or white.
Leaf size: approximately 2 inches.
How Often Should You Water a Alpine Flax?
Linum alpinum requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Alpine Flax Need?
Alpine Flax thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Alpine Flax Prefer?
Linum alpinum grows best at temperatures of 60–80°F. Alpine Flax prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Alpine Flax?
Well-draining sandy loam with added organic matter. Good drainage is essential for Alpine Flax to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Alpine Flax?
Feed Alpine Flax every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Alpine Flax?
Repot every 1-2 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Alpine Flax?
Alpine Flax can be propagated through seeds, division of clumps. Similar propagation techniques also apply to pale flax plant care, which shares the same genus.
Is the Alpine Flax Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Alpine Flax, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Alpine Flax?
Alpine Flax is susceptible to aphids, spider mites, whiteflies. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Alpine Flax Need?
Alpine Flax grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. In cooler regions, grow Alpine Flax as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Alpine Flax is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Linum genus — compare its care with other Linum species on PlantoScan.
Linum is part of the Linaceae plant family — browse all Linaceae genera and species.
Alpine Flax thrives in bright light and direct sun — see other bright-light plants.
More Linum Species
Other Linum species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Linum alpinum L., family Linaceae (first published in Enum. Stirp. Vindob. : 229 (1762)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Alpine Flax, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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