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Solo Cup to Final Pot: A Simple Potting Plan for Home Growers

By The Budometry TeamPublished Updated

Pot size controls how fast soil dries, which controls how much oxygen roots get. Getting the progression right removes half the watering guesswork from a grow.

Part of our pillar guide: How to Grow Cannabis Indoors: The Complete Guide

Why not start in the final pot

A tiny root system in five gallons of soil cannot drink what it is given. The soil stays wet for a week, oxygen never reaches the roots, and growth stalls. Small plants want small pots.

A workable progression

Solo cup for 2-3 weeks, a 1-2 gallon for 2-3 weeks, then a 5 gallon fabric pot for the rest of the grow. Most home photoperiod plants finish comfortably in 5 gallons.

Why fabric

Fabric pots air-prune roots at the wall instead of letting them circle, which produces a denser root ball. They also dry faster and more evenly, which makes overwatering much harder.

Autoflowers are the exception

Plant autos directly into their final 3-5 gallon pot and water only a small zone at first, widening the watered area as the plant grows.

Frequently asked questions

Is a bigger pot always a bigger yield?
Only up to the point your light and veg time can fill. In a typical 4x4 tent, 5 gallon pots are rarely the limiting factor.

The full guide on this topic

How to Grow Cannabis Indoors: The Complete Guide

The full indoor grow process from a 15-hour dark seed soak to a jarred cure, with the tent, light, airflow and feeding decisions explained in order.

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