Pot Size Calculator – The Right Pot for Your Plant
Enter your current pot diameter and plant type — get the right next pot size plus how much soil to buy.
Repotting rules
- Size up 2–5 cm in diameter — never double the pot (soggy soil → root rot).
- Always use pots with drainage holes — choosing the right pot.
- Repot in spring/early fall; method: root-bound repotting.