Germination01
14-21 days
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Seed Germination Kit
American Flax Seed Starter Grow Kit
BOTANICAL NAMELinum lewisii
USD 10.99
100 in stock
American flax opens sky-blue flowers each morning on wiry stems — the same plant behind linen and nutritious flaxseed.
GERMINATION14-21 days
SUNLIGHTFull Sun (6-8 hours daily)
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The growing details, all in one place.
Light02
Full Sun (6-8 hours daily)
Temperature03
60-70F
Hardiness04
USDA Zones 3-9 (Outdoor); All Zones (Indoor)
THE PLANT NOTEBOOK
American Flax care, from seed onward.
- Botanical name
- Linum lewisii
- Common names
- Lewis Blue Flax, Prairie Flax
- Family
- Linaceae
- Genus
- Linum
- Species
- L. lewisii
Start growing
Full sun, well-drained soil. Drought tolerant.
Growing with your kit
The Seeds In A Cup® kit connects history (fiber) with botany (seeds).
Propagation
Seed.
Seasonal growth & harvest
Blooms late spring; flowers drop petals by noon.
Growing conditions
Ridges and dry slopes.
Weather & tolerances
Drought and cold tolerant.
Pests & plant health
Grasshoppers.
Plant safety
Safe.
Botanical features
Perennial herb with tough fibers in stem and sky-blue flowers.
Varieties
‘Appar’.
Garden & everyday uses
Fiber (linen), seeds (linseed/flaxseed oil)
Native range & distribution
Native to Western North America.
Conservation
Secure.
Name origins
Named after Meriwether Lewis of the Lewis & Clark Expedition.
History
Indigenous peoples used the fibers for cordage and fishing nets.
Good questions grow here
A little more clarity.
How do I grow American Flax from seed?
Moisten the included soil, sow your American Flax seeds at the depth on the instruction card, keep the planter warm and bright under the humidity lid, and mist until they sprout. Full steps are in your kit.
How long do American Flax seeds take to germinate?
American Flax seeds typically sprout in 14-21 days at 60-70F when kept warm and evenly moist. Your guide lists the ideal conditions.
Growing details are supplied in the Seeds In A Cup® product catalog. Follow the instructions included with your specific kit.
Our information standards ↗The growing journal
Read. Learn. Grow.
5 articles matched to this plant.
American Flax · Growing guides
How to Grow American Flax: Complete Seed-to-Harvest Guide
A comprehensive, data-grounded guide to growing American Flax, including seed starting, site planning, care, problems, harvest, safety, and FAQs.
Read articleAmerican Flax · Growing guides
American Flax From Seed: A Step-by-Step Garden Planning and Planting Blueprint
Learn how to plan, start, transplant, and care for American Flax with a structured seed-to-garden workflow and clear answers to common questions.
Read articleAmerican Flax · Plant health
American Flax Problems Solved: Pests, Diseases, Yellow Leaves, and Seasonal Care
A practical troubleshooting guide for American Flax covering diagnosis, pest and disease prevention, environmental stress, seasonal care, and FAQs.
Read articleAmerican Flax · Harvest & uses
American Flax Harvest Guide: Uses, Varieties, Storage, and Home-Garden Success
Explore American Flax harvest timing, documented uses, variety selection, safe handling, propagation, and practical home-garden planning.
Read articleAmerican Flax · Botanical profiles
American Flax Plant Profile: Botany, Origins, Growing Facts, Safety, and FAQs
An educational botanical profile of American Flax, including taxonomy, history, distribution, cultivation facts, safety considerations, and FAQs.
Read article