Seeds
White Widow XXL Feminised Seeds
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SKU: BFS-WWXXL-FEM
Potent and very productive XXL version of this indica-dominant Dutch coffee-shop legend.
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Flowering Type
Photoperiod
Parental lines
Brazilian x South Indian
THC content
Very High THC (25%+)
CBD content
Low CBD (0-1%)
Photoperiod flowering time
8 to 10 weeks
Yield indoor
High Yield (450-600gr/m2)
Plant size
Large
Suitable climates
Cool, Dry, High altitude, Hot, Warm
From the breeder
Potent and very productive XXL version of this indica-dominant Dutch coffee-shop legend.
Barney's Farm breeder notesAroma
FruityPineySpicy
Parental lines
BrazilianSouth Indian
Potent and very productive XXL version of this indica-dominant Dutch coffee-shop legend.
White Widow XXL is a 75% indica hybrid strain bred by crossing Brazilian and South Indian strains before selections were made based on size and yields. Growers can expect large harvests indoors as well as outdoors.
This well-known and highly-regarded strain is now available in XXL format. Indoors, plants grow to a height of 100 - 120 cm. producing yields of up to 650 gr/m2 in 60 - 65 days of flowering. Outdoors, plants grow much taller at 200 cm. with northern hemisphere harvests ready between October 1st - 15th. Each plant can produce as much as 2000 gr. dried weight. Compact, dense buds are white with resin crystals.
The scent is fruity, pungent, spicy and pine-y while the flavour is fruity with notes of spice and pine. THC production is high and White Widow XXL provides a hard-hitting effect that lasts and which evolves into a more relaxed state.
Brand/breeder
Parental lines
Brazilian x South Indian
Variety
Indica dominant
Flowering type
Photoperiod
Sex
Feminised
THC content
Very High THC (25%+)
CBD content
Low CBD (0-1%)
Yield outdoor
Very High Yield (above 750gr/plant)
Yield indoor
High Yield (450-600gr/m2)
Plant size
Large
Photoperiod flowering time
8 to 10 weeks
Northern hemisphere harvest
October
Suitable climates
Cool, Dry, High altitude, Hot, Warm
Aroma
Fruity, Piney, Spicy
SKU
BFS-WWXXL-FEM
Photoperiod outdoor timeline
Photoperiod strains rely on seasonal daylight changes, so harvest timing is closely tied to your local climate.
Stage 1
Germination / Early Start
March – April
Wait for: frost risk easing, stronger spring light
Watch for: cold snaps, slow starts, excess moisture
Stage 2
Seedling / Transplant
April – May
Wait for: milder nights and settled weather
Watch for: transplant shock, wind exposure, pests
Stage 3
Vegetative Growth
June – July
Wait for: long days, regular feeding, healthy expansion
Watch for: overcrowding, nutrient issues, insect damage
Stage 4
Flowering
August – September
Wait for: shortening days, dry airflow, branch support
Watch for: mould, botrytis, high humidity, bad weather
Stage 5
Harvest
Late September – October
Wait for: ripe trichomes, dense finished flowers
Watch for: autumn rain, rot, early frosts
Indoor photoperiod timeline
Photoperiod strains give indoor growers more control over size, shape, and when flowering begins.
Week 0
Germination
Strong early establishment
Wait for: strong early establishment
Watch for: inconsistent starts, excess moisture
Week 1–2
Seedling
Stable structure and healthy growth
Wait for: stable structure and healthy growth
Watch for: stretch, early stress
Week 3–6+
Vegetative Growth
Desired plant size and canopy shape
Wait for: desired plant size and canopy shape
Watch for: overcrowding, uneven growth, training stress
7–12+ weeks
Flowering Phase
Strong flower formation and steady development
Wait for: strong flower formation and steady development
Watch for: humidity, airflow, support issues
Harvest
Harvest Window
Finished flowers and mature trichomes
Wait for: finished flowers and mature trichomes
Watch for: cutting too early or pushing too long
