How to grow Auto Critical Mass
THC 14% 
Flowering 60 - 70 days 
Yield 400 – 500 g/m² 
Height 80-100cm Taste
Seb's take
Critical Mass crossed with Ruderalis for the shortcut, reaching harvest in nine to ten weeks without much sacrifice — 400 to 500g/m² from a plant that stays under a metre. Sweet, fruity earth on the nose; the high is relaxed, happy and euphoric, honest about what it is.
Where it comes from
Critical Mass crossed with Ruderalis, the well-worn path to an autoflowering version of a popular plant — Advanced Seeds' work here. The Ruderalis supplies the automatic habit and the shortened calendar; Critical Mass supplies everything else, which is to say the yield and the character it is famous for. A straightforward, honest cross that trades little for the convenience it gains.
Nose & flavour
Sweet and fruity up front, with a grounding earthiness beneath — a clean, uncomplicated nose that carries the Critical Mass sweetness faithfully. Nothing elaborate about it, and no need for elaboration; the sweetness leads, the earth anchors, and the fruit ties the two together. Honest about what it is.
The high
Relaxed, happy and euphoric — a gentle, agreeable experience that neither overwhelms nor underdelivers. The fourteen percent THC keeps things approachable, the five percent CBD lending a little extra composure. A pleasant, even-keeled effect, well suited to unwinding without any drama attached. Undramatic, and content to be so.
Growing it
From seed to use in nine to ten weeks — flowering runs sixty to seventy days — with the plant staying under a metre, somewhere between eighty and a hundred centimetres. That compact frame makes it a fine choice for limited space. Yields reach 400 to 500g per square metre indoors. Newer growers are well served by a soilless medium such as coco coir with a little vermiculite, topped up gradually to keep drainage consistent and airflow high. A forgiving, space-friendly grow, and a productive one for its size.
Learn to grow her properly:
Effects
Common questions about Auto Critical Mass
How long does Auto Critical Mass take to flower?
Around 9 weeks of flowering, by the breeder's numbers.
Is Auto Critical Mass an autoflower or a photoperiod strain?
An autoflower — she flowers on age rather than light hours, which simplifies the schedule considerably.
How tall does Auto Critical Mass grow?
Around 100 cm. Standard tent territory.
How strong is Auto Critical Mass?
The breeder lists THC around 14%. The gentler end of the scale.
