LongLine Fibre™
Maximum fibre for construction and textiles
LongLine Fibre™ combines three Stackatrait™ trait categories — Cannabinoid Modification, Fibre Quality, and Climate Resilience — to deliver a fibre-specialist variety with <0.01% THC compliance, 8–12 t/ha straw yield, superior fibre quality, and 120–140 day extended vegetative growth for maximum biomass production.
8-12
t/ha dry straw
Premium
fibre quality
Superior
mechanical properties
<0.01%
THC by design
Premium
processing quality
£4,430
avg gross margin/ha
Precision Trait Stack
LongLine Fibre™ combines three Stackatrait™ trait categories, each delivering multiple complementary improvements that compound to create a fibre variety purpose-built for UK construction and textile markets
Regulatory Compliance Assurance
Our proprietary cannabinoid modification ensures consistent regulatory compliance across all growing conditions. Particularly important for fibre varieties with extended harvest windows.
- <0.01% THC guaranteed
- Safe harvest at any growth stage
- Zero crop destruction risk
- Extended harvest flexibility
Superior Processing Characteristics
Targeted modifications deliver superior fibre characteristics for industrial applications, with improved processing efficiency that is particularly advantageous in UK climate conditions.
- Industry-leading straw yield
- Premium fibre content
- Superior mechanical properties
- Faster processing time
Reliable UK Performance
A suite of climate adaptation traits ensures reliable performance across UK growing conditions, with robust plant architecture and built-in disease protection for consistent yields.
- Earlier sowing capability
- Extended growing season
- Robust plant architecture
- Built-in disease protection
Agronomic Specifications
Detailed growing parameters for optimal fibre production in UK conditions
8-12 t/ha
Dry Straw Yield
30-35%
Bast Fibre Content
2.4-3.5 t/ha
Bast Fibre Extracted
1.2-1.8 t/ha
Textile-Grade Fibre
Premium grade
Fibre Quality
2-3 metres
Fibre Length
120-140 days
Maturity
2.5-3.5 m
Plant Height
<0.01%
THC Level
April – May
Sowing Window
50-70 kg/ha
Sowing Rate
Fast turnaround
Processing
80-100 kg N/ha
N Requirement
<3%
Lodging Loss
0.3-0.5 t/ha
Grain (secondary)
Performance Across UK Regions
Scottish Enterprise trials confirmed 7.9 t/ha at 120kg N for current varieties — LongLine Fibre™ targets 40-50% improvement
Southern England
9-12 t/ha straw
2.7-4.2 t/ha fibre
+40-50% vs baseline
Optimal conditions for maximum straw production
Midlands
7-9 t/ha straw
2.1-3.2 t/ha fibre
+40-50% vs baseline
Strong performance across the region
Scotland
6-8 t/ha straw
1.8-2.8 t/ha fibre
+45-50% vs baseline
Strong performance in Scottish growing conditions
Financial Returns
LongLine Fibre™ delivers 5-10x the gross margin of conventional wheat at £2,380-6,480/ha from three revenue streams
Revenue Streams
Variable Costs
vs UK Arable Crops (Gross Margin/ha)
Sources: DEFRA Chapter 7 Crops 2024, AHDB Harvest 2025
Market Applications
LongLine Fibre™ serves the rapidly growing UK construction and textile markets
Hempcrete Construction
Hemp hurd mixed with lime for carbon-negative building material. UK hempcrete market growing 25%+ annually. LongLine Fibre™ delivers 5-7 t/ha of shives ideal for hempcrete production.
Natural Insulation
Hemp fibre batts and loose-fill insulation with excellent thermal and acoustic properties. Breathable, mould-resistant, and fire-retardant.
Technical Textiles
Premium fibre for industrial textiles, composites, and non-woven materials. Superior strength characteristics for automotive and aerospace applications.
Animal Bedding
Hemp shives make excellent, highly absorbent animal bedding. Lower dust than straw, natural odour control, and fully compostable. 5-7 t/ha of shives at £80-120/t.
Voices for Hemp
"Growing hemp as nature designed it is vital to our urgent need to reduce greenhouse gases and ensure the survival of our planet."
Jack Herer
Hemp Advocate & Author of 'The Emperor Wears No Clothes'
"Hemp is one of the greatest, most important substances of our nation."
Thomas Jefferson
3rd President of the United States
Ready to Grow the Future of
British Agriculture?
"There is only one known annually renewable natural resource… capable of providing the majority of the world's paper and textiles… energy needs, while simultaneously reducing pollution… and that substance is… Cannabis hemp."
Join our farm trial programme or register your interest for our 2032 commercial seed release.