Hell On Wheels

A loam-rich, well-draining organic mix with compost, worm castings and perlite gives roots oxygen and slow-release nutrients.

Keep airflow high, prune the undergrowth, avoid overwatering and consider silica and microbial sprays as preventative measures.

Begin a light flush two weeks before harvest if you use synthetic nutrients; with organic feeds rely on tapering fertiliser and clean water in the final fortnight.

Yes, large containers with good drainage are fine but choose a sheltered spot to protect against constant rain and wind.

Use a low-salt organic schedule with kelp and compost teas; feed more during stretch and taper off into flowering.

Introduce beneficial insects, use neem carefully, and maintain plant vigour through organic amendments to reduce pest pressure.

Light pruning and defoliation to open the canopy help airflow and direct energy to the main colas, improving bud quality.

Start with a premixed organic potting soil and amend slowly as you learn the plant's demands; avoid sudden changes in pH or feed.

Build a balanced compost with green and brown matter, let it mature and sieve before use to avoid bringing pathogens into the grow.

For organic cannabis soil growing focus on soil biology: feed microbes with compost, use slow-release organics and avoid synthetic salts for best flavour and resilience.