ChloroFileColossus
Sativa variety from ACE Seeds, flowering in 11-13 wks. Reference data for planning a grow, not a measurement of your plant.
Catalogue data last updated 17 October 2026.
How it grows
| Grown | Indoor/Outdoor |
Schedule and VPD targets
Vapour pressure deficit targets by stage, measured from leaf temperature rather than air temperature. The same bands ChloroFile charts against.
| Stage | When | VPD target |
|---|---|---|
| Seedling | Weeks 1-2 | 0.4 - 0.8 kPa |
| Vegetative | Until you flip | 0.8 - 1.2 kPa |
| Early flower | Flower weeks 1-3 | 1.0 - 1.5 kPa |
| Late flower | Flower weeks 4-13 | 1.2 - 1.6 kPa |
Counting from the flip, expect to harvest between week 11 and week 13.
Where to look next
Grouped by how each one is related to this variety rather than ranked into a single list, because those are different questions.
Other breeders’ versions
The same cultivar, selected and sold by someone else.
- ColossusThe 7 Dwarfs Seedbank
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.