Seeds
Geist OG Fast Feminised Seeds
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SKU: HDS-GEISTOG-FAST-FEM
FAST-finishing version of this highly-regarded Indica-dominant, hash-producing strain.
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Flowering Type
Early/fast
Parental lines
Geist OG x Uncirculated OG Auto
THC content
Information not available
CBD content
Information not available
Autoflowering seed to harvest time
Information not available
Yield indoor
Information not available
Plant size
Information not available
Suitable climates
Dry, High altitude, Hot, Warm
From the breederHumboldt Seed Org. breeder notes
FAST-finishing version of this highly-regarded Indica-dominant, hash-producing strain.
Parental lines
Geist OGUncirculated OG Auto
FAST-finishing version of this highly-regarded Indica-dominant, hash-producing strain.
Geist OG FAST is 70% indica, 20% ruderalis and 10% sativa. It was bred by crossing the highly sought-after Geist OG with a previously uncirculated OG Kush Auto breeding plant. Further breeding plants were selected for seed production based on the criteria of early flowering times and an absence of autoflowering traits.
Geist OG is known to be a great strain with which to produce hash and now growers will be able to do this just that little bit FASTer. Plants are typified by fat central colas bursting with resin.
Geist OG FAST's gassy terpene profile is likely to necessitate the use of carbon filters when growing indoors.
Brand/breeder
Humboldt Seed Org.
Parental lines
Geist OG x Uncirculated OG Auto
Variety
Indica dominant
Flowering type
Early/fast
Sex
Feminised
Suitable climates
Dry, High altitude, Hot, Warm
SKU
HDS-GEISTOG-FAST-FEM
Early/Fast outdoor timeline
Fast / Early strains keep the photoperiod growth pattern, but they begin flowering earlier and usually finish sooner — helping outdoor growers harvest before late-season weather becomes a problem.
Stage 1
Germination / Early Start
March – April
Wait for: warmer days, lower frost risk, stable spring weather
Watch for: cold snaps, excess moisture, slow early growth
Stage 2
Seedling / Transplant
May
Wait for: steady light, mild conditions, protected early growth
Watch for: transplant stress, pests, wind exposure
Stage 3
Vegetative Growth
June – July
Wait for: long bright days, healthy expansion, strong structure
Watch for: overcrowding, nutrient issues, insect pressure
Stage 4
Flowering
From late July
Wait for: first signs of bloom, good airflow, settled conditions
Watch for: humidity, mould pressure, poor weather
Stage 5
Harvest
From early September
Wait for: ripe trichomes, dense finished flowers, harvest readiness
Watch for: cutting too early, rain, bud rot
Indoor Early/Fast timeline
Fast / Early strains are most valuable outdoors, where earlier flowering and shorter bloom times help growers harvest before poor autumn weather. Indoors, their main benefit is a faster flowering phase than photoperiod versions.
Week 0
Germination
Healthy seedling emergence
Wait for: healthy seedling emergence
Watch for: overwatering, weak starts
Week 1–2
Seedling
Steady early growth
Wait for: steady early growth
Watch for: stretching, stress, excess moisture
Week 3–6+
Vegetative Growth
Desired plant size and strong structure
Wait for: desired plant size and strong structure
Watch for: overcrowding, uneven growth, training stress
6–10 weeks
Flowering Phase
Strong bud formation and steady flower development
Wait for: strong bud formation and steady flower development
Watch for: humidity issues, poor airflow, plant stress
Harvest
Harvest Window
Finished flowers and mature trichomes
Wait for: finished flowers and mature trichomes
Watch for: harvesting too early or pushing plants too long
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