Indoor
Repotting Into a Much Bigger Pot Usually Kills the Plant
Go up one pot size — about 2-5 cm in diameter. Jumping three sizes creates a swamp the roots cannot dry out.
A pot dries out because roots draw water from it and transpire it away. Soil beyond the root zone has no such pump, so it stays saturated, excludes oxygen, and hosts the pathogens that cause root rot.
Move up one size, keep the same soil line, and repot again in a year. The exception is a plant that has been genuinely neglected and is fully root-bound — even then, one size at a time in the growing season is safest.
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