Seeds
Thai Herer 99 Feminised Seeds
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SKU: BGS-TH99-FEM
"High-yield, Sativa-dominant Thai Herer 99 seeds; versatile growth, unique flavor and uplifting effects."
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Flowering Type
Photoperiod
Parental lines
(Durban Thai x Jack Herer) x C99
THC content
High THC (16-24%)
CBD content
Information not available
Photoperiod flowering time
8 to 10 weeks
Yield indoor
High Yield (450-600gr/m2)
Plant size
Large
Suitable climates
Cool, Dry, Hot, Humid, Temperate, Warm
From the breeder
"High-yield, Sativa-dominant Thai Herer 99 seeds; versatile growth, unique flavor and uplifting effects."
Brothers Grimm Seeds breeder notesAroma
EarthyFloralSpicy
Effect description
EnergeticUplifting
Parental lines
(Durban ThaiJack Herer)C99
"High-yield, Sativa-dominant Thai Herer 99 seeds; versatile growth, unique flavor and uplifting effects."
Thai Herer 99 Feminised Seeds - Overview
Experience high yields from this Sativa-dominant strain, suitably grown in diverse conditions.
Thai Herer 99 - Cultivation
Thai Herer 99 thrives in greenhouses, indoors and outdoors, capable of yielding up to 750 grams per plant.
Thai Herer 99 - Flavour Profile & Effects
A unique blend of earthy, spicy and floral notes. It offers uplifting, energetic effects due to its high THC.
Brand/breeder
Brothers Grimm Seeds
Parental lines
(Durban Thai x Jack Herer) x C99
Type
Sativa dominant
Colour
Green, Pink
Flowering type
Photoperiod
Sex
Feminised
THC potential
High THC (16-24%)
Yield potential outdoor
High Yield (450-750gr/plant)
Yield potential indoor
High Yield (450-600gr/m2)
Plant size
Large
Flowering time (photoperiod)
8 to 10 weeks
Northern hemisphere harvest
September
Southern hemisphere harvest
March
Suitable climate
Cool, Dry, Hot, Humid, Temperate, Warm
Aroma
Earthy, Floral, Spicy
SKU
BGS-TH99-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