Seeds
Killer Kush F1 Fast Feminised Seeds
SKU: SS-KLK-FAST-Fem
Very potent and fast flowering
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1
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Flowering Type
Early/fast
Parental lines
OG Kush x Unknown 3rd Generation Autoflowering Hybrid
THC content
Very High THC (25%+)
CBD content
Low CBD (0-1%)
Photoperiod flowering time
6 to 8 weeks
Yield indoor
High Yield (450-600gr/m2)
Plant size
Medium
Suitable climates
Cool, Dry, High altitude, Hot, Temperate, Warm
From the breeder
Very potent and fast flowering
Sweet Seeds breeder notesAroma
EarthyFruity
Parental lines
OG KushUnknown 3rd Generation Autoflowering Hybrid
Very potent and fast flowering
Feminized and non-autoflowering version of one of the most famous strains from the West Coast of USA, developed around the year of 1994 in Sunset Beach, South California, the Ocean Grown Kush, better known as OG Kush.
With an ultra fast flowering, Sweet Seeds Killer Kush is the resulting hybrid from the cross between a selected 3rd generation auto-flowering genetic line leaning to the indica side and an elite clone of OG Kush. The result is a very potent plant with a very fast flowering.
This strain produces large and aromatic buds, all covered by a thick layer of resin. The aroma is sweet, citric and acid with exotic tones reminiscent of aromas from the Chem Dawg – Diesel family.
Brand/breeder
Parental lines
OG Kush x Unknown 3rd Generation Autoflowering Hybrid
Variety
Indica dominant
Flowering type
Early/fast
Sex
Feminised
THC content
Very High THC (25%+)
CBD content
Low CBD (0-1%)
Yield outdoor
High Yield (450-750gr/plant)
Yield indoor
High Yield (450-600gr/m2)
Plant size
Medium
Photoperiod flowering time
6 to 8 weeks
Northern hemisphere harvest
August, September
Southern hemisphere harvest
April, March
Suitable climates
Cool, Dry, High altitude, Hot, Temperate, Warm
Aroma
Earthy, Fruity
SKU
SS-KLK-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
Based on 69 reviews
Killer Kush F1 FAST Version Feminised Seeds
Not ptet seed 100% ready for September will give you news soon thank you
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Killer Kush F1 FAST Version Feminised Seeds
Just transplanted to the outside greenhouse Seeds germinate quickly and have grown quickly.
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Killer Kush F1 FAST Version Feminised Seeds
Seeds from Swt Seeds are always amazing.
The terpenes (aromas) are always dead on.
Easy to grow.. light to med nutrients.
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Killer Kush F1 FAST Version Feminised Seeds
7' outdoors. Harvested September 9 in Midwest USA. Decent yield. Really sweet smell once cured. Excellent buzz. Buds so dense you could hunt squirrel with a slingshot with these things. Growing again next yr, highly recommend.
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Killer Kush F1 FAST Version Feminised Seeds
Very good strain, nice smell,tight buds
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