Seeds
Critical Mass Feminised Seeds
SKU: ADV-CRMASS-FEM
Resistant and productive strain with very high THC.
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- Out of stock
- Orders sent from the US
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Flowering Type
Photoperiod
Parental lines
Critical Mass
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Photoperiod flowering time
6 to 8 weeks
Yield indoor
Very High Yield (above 600gr/m2)
Plant size
Medium
Suitable climates
High altitude, Hot, Cool, Dry, Temperate
From the breeder
Resistant and productive strain with very high THC.
Advanced Seeds breeder notesAroma
Fruity
Parental lines
Critical Mass
Resistant and productive strain with very high THC.
Critical Mass is a plant capable of growing strong and generating abundant crops even in adverse conditions, very quickly. The buds are large, compact and full of resin, sweet aromas. High level of THC that will affect both the brain and the physical level. It is accompanied by a sweet and pleasant taste that will delight the most demanding smokers. Bright, resinous and hard buds that will be the pride of any cultivator.
Brand/breeder
Advanced Seeds
Parental lines
Critical Mass
Variety
Indica dominant
Flowering type
Photoperiod
Sex
Feminised
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Yield outdoor
Very High Yield (above 750gr/plant)
Yield indoor
Very High Yield (above 600gr/m2)
Plant size
Medium
Photoperiod flowering time
6 to 8 weeks
Northern hemisphere harvest
September
Suitable climates
High altitude, Hot, Cool, Dry, Temperate
Aroma
Fruity
SKU
ADV-CRMASS-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
Based on 7 reviews
Critical Mass Feminised Seeds
First shipment never arrived.
Second shipment never arrived.
Then told they couldn't send these seeds to my country. They would not insure my order. 9 months later I get a refund.
Seedsman used to be the best IMO.
Now I will never shop there again
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Critical Mass Feminised Seeds
Grows like A cold knife cuts melting butter, good aroma
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Critical Mass Feminised Seeds
None of the seeds germinated or rooted but other seeds did
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Critical Mass Feminised Seeds
The plant is only a month old. I won't be able to answer these questions until it's been harvested and cured.
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Critical Mass Feminised Seeds
I have yet to plant them. But the seeds that I have grown from Seedsman have been great.
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Critical Mass Feminised Seeds
looks very good buds are tight can't wait to harvest
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Critical Mass Feminised Seeds
Never received my order
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