How to Grow Foxfibre Green
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Foxfibre Green
Gossypium hirsutum var. Foxfibre
vegetableFoxfibre Green is a naturally colored cotton variety that produces green fiber without synthetic dyes, developed through selective breeding at UC Davis. This heirloom cultivar grows as an annual plant with cotton bolls that contain fiber colored deep sage green. It represents a sustainable, eco-friendly alternative to conventionally dyed cotton textiles.
When should you plant Foxfibre Green in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Foxfibre Green timeline · Pittsburgh, PA (Zone 6b)
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Plant Foxfibre Green
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Foxfibre Green
Around Sep 24≈ 160 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Foxfibre Green dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 8-10, can grow in zone 7b with extended season
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Get my Foxfibre Green timeline →Growth Stages
Seedling
2-3 weeksCotyledons emerge; first true leaves appear with characteristic cotton plant shape
Keep soil consistently moist but not waterlogged; provide full sun; thin seedlings to proper spacing; protect from wind
Vegetative
6-8 weeksPlant establishes leaf canopy and grows vigorously; appears as bushy plant with serrated leaves
Water regularly, weed control important; apply balanced fertilizer mid-season if soil is poor; stake if needed in windy areas
Flowering
4-6 weeksDelicate cream-colored flowers appear at leaf axils; flowers last one day then drop leaving developing bolls
Maintain consistent watering; reduce excess nitrogen to avoid vegetative overgrowth; monitor for pests during flowering
Boll Development
6-8 weeksSeed pods (bolls) enlarge and mature; bolls change from green to brown as they dry; fiber color becomes apparent
Allow soil to dry out slightly between waterings to encourage boll maturation; avoid excessive nitrogen; provide full light exposure
Harvest/Maturity
Harvest window 2-4 weeksBolls burst open naturally, exposing white-surrounded green fiber; cotton is ready for harvesting when bolls are fully opened
Pick bolls by hand when fully opened; wear gloves as bolls are prickly; dry picked cotton in sun for 1-2 weeks before processing
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Hand-pick larvae; use Bt (Bacillus thuringiensis) spray; encourage natural predators like parasitic wasps; monitor with pheromone traps
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Spray neem oil or insecticidal soap; increase humidity by misting; release predatory mites; strong water spray to dislodge
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Spray with insecticidal soap; strong water spray; encourage ladybugs and lacewings; neem oil application
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Yellow sticky traps; reflective mulch; neem oil; insecticidal soap; avoid excessive nitrogen fertilization
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Use well-draining soil; crop rotation 3+ years; remove infected plants; avoid overhead watering
Uses
Natural Fiber for Textiles
CraftFoxfibre Green cotton can be carded, spun into yarn, and woven or knitted into fabric, eliminating the need for synthetic dyes. The naturally green fiber retains its color even after washing, making it ideal for sustainable fashion and textile arts. [source]
Eco-Friendly Home Goods
HouseholdThe spun yarn and woven fabric are perfect for making organic clothing, bedding, curtains, and household textiles without chemical processing. As a naturally colored fiber, products avoid the environmental and health impacts of conventional cotton dyeing. [source]
Hand-Spinning and Fiber Arts
CraftGardeners and fiber artists can grow their own cotton, harvest it, process it, and spin it into yarn for knitting and weaving projects. This complete farm-to-fiber experience appeals to sustainable living advocates and traditional textile craftspeople. [source]
Pollinators and Ecosystem Support
WildlifeCotton flowers attract bees and other native pollinators, supporting biodiversity in the garden. Growing cotton can provide nectar and pollen resources during its long flowering season. [source]
Cotton Seed Oil (Secondary Use)
CulinaryWhile not the primary harvest, cotton seeds can be pressed for high-quality oil used in cooking and cosmetics, providing additional value from the crop. [source]
Harvest Tips
Harvest bolls once they have fully opened naturally, revealing the fiber. Pick by hand when the boll splits; wear gloves as the boll edges are sharp and prickly. Harvest regularly to encourage continued flowering and bolls. Air-dry picked cotton in the sun for 1-2 weeks before processing, carding, and spinning. The entire bolls can be harvested and opened later if needed.
Fun Facts
- 🌱 Foxfibre Green cotton was developed by Sally Fox through selective breeding in the 1980s-1990s at UC Davis; she also created Foxfibre Brown, the first naturally colored cotton variety released commercially, reducing the environmental burden of cotton dyeing.
- 🌱 The green color in Foxfibre Green is genetically stable and does not fade or disappear with washing, unlike many experimental colored cottons, making it a true heirloom variety for sustainable farming.
- 🌱 Hand-harvesting cotton bolls has been practiced for thousands of years, and growing Foxfibre Green connects modern gardeners to ancient textile traditions while maintaining modern sustainability values.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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