Monster Mass

A variety from Critical Mass Collective, flowering in 6-7 wks. Reference data for planning a grow, not a measurement of your plant.

Catalogue data last updated 17 October 2026.

FeminizedSeed
6-7 wksFlowering
18-20%THC
Genetics

Where it came from

LineageSelect Critical Mass x Select Critical +
Grow information

How it grows

GrownIndoor, Outdoor
Outdoor harvestThe End of September, Beginning of October
Reported

What growers describe

Reported by catalogs and growers, not measured from a plant.

Aromas

  • Berry
  • Citrus
  • Fruity
  • Sweet
Planning

Schedule and VPD targets

Vapour pressure deficit targets by stage, measured from leaf temperature rather than air temperature. The same bands ChloroFile charts against.

StageWhenVPD target
SeedlingWeeks 1-20.4 - 0.8 kPa
VegetativeUntil you flip0.8 - 1.2 kPa
Early flowerFlower weeks 1-31.0 - 1.5 kPa
Late flowerFlower weeks 4-71.2 - 1.6 kPa

Counting from the flip, expect to harvest between week 6 and week 7.

Related

Similar strains

Ranked by shared parents first, then breeder and cultivar family.

All Critical Mass Collective varieties · All breeders

Track one of these

ChloroFile carries this whole reference offline. Pick a variety when you add a plant and it fills in the type, seed type, and flowering window, then logs what actually happened against it.

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