Seeds
Zkittlez Fast Feminised Seeds
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SKU: ADV-ZKIT-FAST-FEM
Fast, potent and productive indica-dominant strain with a delicous flavour.
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Flowering Type
Early/fast
Parental lines
Grape Ape x Grapefruit
THC content
High THC (16-24%)
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
Wet, Hot, Cool, Dry, Temperate
From the breeder
Fast, potent and productive indica-dominant strain with a delicous flavour.
Advanced Seeds breeder notesAroma
EarthyFruity
Parental lines
Grape ApeGrapefruit
Fast, potent and productive indica-dominant strain with a delicous flavour.
Zkittlez FAST is the fast-flowering version of the famous Zkittlez indica strain, bred from Grape Ape and Grapefruit genetics with an unknown genetic. The addition of Zkittlez Auto genetics with the subsequent selection based on non-autoflowering properties deliver an earlier flowering and harvest.
Indoors, Zkittles FAST grows 80 - 100 cm. tall producing yields of 500 - 550 gr/m2 in just 45 - 55 days of flowering. Outdoors, these plants grow quite a bit taller reaching between 180 - 240 cm. in height and finishing between 10th - 20th September. Buds are densely-packed with resin and are a light green in colour.
The taste is the typical sweet, tropical fruit flavour of Zkittlez. THC production is very high at 23%. The effect is powerful and relaxing.
Brand/breeder
Advanced Seeds
Parental lines
Grape Ape x Grapefruit
Variety
Indica / Sativa hybrid
Flowering type
Early/fast
Sex
Feminised
THC content
High THC (16-24%)
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
September
Suitable climates
Wet, Hot, Cool, Dry, Temperate
Aroma
Earthy, Fruity
SKU
ADV-ZKIT-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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