ChloroFileRoyal Critical Automatic
Indica variety from Royal Queen Seeds, flowering in 10-11 wks. Reference data for planning a grow, not a measurement of your plant.
Catalogue data last updated 17 October 2026.
Where it came from
| Lineage | Critical x Ruderalis |
How it grows
| Indoor yield | 350 - 400 gr/m2 |
| Outdoor yield | 115 - 165 gr/plant |
| Indoor height | 55 - 65 cm |
| Outdoor height | 90 - 140 cm |
| Climate | Short Summers |
| Grown | Indoor, Outdoor, Greenhouse |
| Bud | Dense Buds |
| Difficulty | Advanced, Beginner Friendly |
Traits are recorded only where the catalog stated them outright.
What growers describe
Reported by catalogs and growers, not measured from a plant.
Reported effects
- Euphoric
- Laughter
Flavors
- Candy
- Fruity
- Pepper
Aromas
- Fruity
- Sweet
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 4-11 | 1.2 - 1.6 kPa |
Counting from the flip, expect to harvest between week 10 and week 11.
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.
Crosses made from this
Varieties that name this one as a parent.
- Royal Cheese AutomaticRoyal Queen Seeds · similar potency, similar flowering time
Shares a parent
Different crosses that draw on the same parent.
- Purple Queen AutoRoyal Queen Seeds · similar effects, similar flowering time
- Kera Classic Auto - Kera Critical AutoKeraseeds · similar potency
- Critical ChronicSumo Seeds
Similar, easier to grow
Close on character, and recorded as more forgiving.
- Auto BombBomb Seeds · similar potency, same type
- Gelato AutoflowerNirvana · similar effects, same type
- A-TrainAnesia Seeds · similar effects, same type
If you liked this
No shared parentage, but they line up on type, flowering time and reported character.
- ReneHouse of the Great Gardener · similar effects, same type
- Kush Mass AutoGarden of Green · similar flavour, similar effects
- Royal AK AutomaticRoyal Queen Seeds · similar effects, similar potency
- Big Devil XL AutoSweet Seeds · similar effects, same type
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.