Runtz Muffin Feminised

Runtz Muffin is bought for what comes off it, and the sourced figures are 550-650 g/m2 under lights and 1000 g/plant from a plant grown out. Those are ceilings, not promises — pot volume, light intensity and how honestly you feed decide where you land inside them. Run the numbers for your own tent with the yield calculator before committing to a pack size, and put it next to the rest of the high-yield strains if weight is the whole point.

What the sourced data gives for this cultivar: 550-650 g/m2 under lights, 1000 g/plant from a plant grown outside. Reaching either is an environment problem before it is a genetics one.

Root volume sets the ceiling before a single flower forms. Under-pot a plant and no feeding schedule rescues it. Get the container right early and the plant does the rest.

Light is the second lever, and the one most growers get wrong in both directions — too little through veg, too much in late flower where it bleaches rather than builds. Steady beats aggressive.

The third is the fortnight around the flip. The stretch after the flip decides your final canopy shape, and it is the last moment training does anything useful.

Feed to the plant rather than the calendar. Our nutrient calculator gives a starting schedule; the plant will tell you where it is wrong. Worth a side-by-side comparison before you commit if weight is the deciding factor.

Euphoric, Calm is the consensus, and consensus is worth exactly what it sounds like — a starting point. 29% THC sets the scale; caryophyllene and the terpenes alongside it shape the character rather than the strength.

Onset is quick by inhalation and slow by ingestion, which is where most bad experiences begin. Expect the weight to settle physically within the hour.

If potency is what you are shopping for, the high-THC seeds category is sorted for it.

Caryophyllene leads, myrcene sits behind it, and bisabolol runs underneath.

This trio is a common signature in well-regarded cultivars, which is not an accident: caryophyllene carries weight, myrcene adds definition, bisabolol keeps it from being one-note. It reads clearly on a first opening rather than needing to be hunted for.

Who does well with Runtz Muffin? Growers who want to control plant size and harvest date, and have the vegetative space to use that control. First-timers included — the genetics are forgiving.

Still deciding? The indoor-friendly genetics list is the narrower place to start.

• Finishes in 56-63 days
• Under lights: 550-650 g/m2
• Grown out: 1000 g/plant
• Height: 100-120 cm
• Difficulty: easy