Seeds In A Cup®
American Flax Grow Kit | Grow American Flax from Seed | Seeds In A Cup®
American Flax Grow Kit | Grow American Flax from Seed | Seeds In A Cup®
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Why Growers Trust Seeds In A Cup®
- 100% recyclable eco-friendly packaging
- Hand-assembled in Cleveland, Ohio, USA
- High-germination non-GMO batch-tested seeds
- All-in-one kit: seeds, real soil, planter & instructions
- 100% Growth Guarantee — seeds don't sprout? We replace them free
Grow Your Own American Flax from Seed
The Seeds In A Cup® American Flax Grow Kit is a complete seed-to-sprout system for growing Linum lewisii at home. Curated by Kevin Bruce, expert horticulturalist, this kit gives you everything to grow fresh american flax from seed. Perfect for windowsills, garden borders, and anyone who wants beautiful, thriving plants at home.
Rated Difficulty Level 1 (Beginner) - no prior gardening experience needed. Germination typically occurs in 14-21 days. Plants can reach 12-24 inches at maturity in full sun (6-8 hours daily).
What's Included in Your American Flax Grow Kit
- Premium Non-GMO Linum lewisii Seeds — batch-tested for high germination (10-20 seeds)
- Real Loose Potting Soil — nutrient-rich growing medium, not compressed coir discs
- Recyclable Planter with Lid — humidity dome for germination, saucer for drainage
- Step-by-Step Growing Instructions — detailed care guide by Kevin Bruce
No extra supplies needed. Just add water and sunlight.
How to Grow American Flax from Seed: Quick-Start Guide
- Plant: Fill planter with soil. Plant seeds at indicated depth. Mist and place lid on top.
- Germinate: Keep warm and moist. Seeds sprout in 14-21 days. Remove lid once seedlings emerge.
- Grow: Place in full sun (6-8 hours daily). Water when top inch of soil is dry. Follow care guide for feeding and transplanting.
American Flax Plant Profile
| Scientific Name | Linum lewisii |
| Plant Type | Perennial Wildflower |
| Difficulty Level | Beginner |
| Germination Time | 14-21 days at 60-70F |
| Mature Height | 12-24 inches |
| Sunlight Needs | Full Sun (6-8 hours daily) |
| USDA Hardiness Zones | 3-9 (Outdoor); All Zones (Indoor) |
| Planting Season | Spring or Fall |
| Seeds Included | 10-20 seeds |
Frequently Asked Questions
What is included in the Seeds In A Cup American Flax Grow Kit?
Every kit includes premium non-GMO Linum lewisii seeds, real loose potting soil, a recyclable planter with humidity lid, and growing instructions by Kevin Bruce. No additional supplies needed.
How long does american flax take to grow from seed?
Linum lewisii seeds typically germinate in 14-21 days. Plants can reach 12-24 inches at maturity. Light, temperature, and watering affect growth rate.
Can I grow american flax indoors?
Yes! This kit is designed for indoor growing. American Flax needs full sun (6-8 hours daily). A south-facing window is ideal. Grow lights can supplement in lower-light spaces.
Where are Seeds In A Cup kits made?
Every kit is hand-assembled and ships from Cleveland, Ohio, USA. We are a Made in USA company using American-sourced materials.
What if my seeds don't sprout?
Our 100% Growth Guarantee means if your seeds don't germinate, we replace them free. We batch-test all seeds in Cleveland for high germination rates.
About Seeds In A Cup®
Complete seed starter kits for first-time growers to experts. Premium loose potting soil, high-germination non-GMO seeds, and clear instructions in 100% recyclable packaging. Hand-assembled in Cleveland, Ohio with a 100% Growth Guarantee.
Expert Guidance: Growing instructions developed by Kevin Bruce, expert horticulturalist.

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