When to plant choy sum in Darwin
Honest answer: choy sum is a poor fit for Darwin. Choy Sum can't handle the heat in your area — temperatures exceed 28°C for too much of the year. If you're set on trying, treat it as an experiment — a sheltered microclimate or pots you can move may stretch the rules.
Tropical zone tip
Grow in Darwin and Cairns from May to August during the dry season when temperatures are cool enough to prevent immediate bolting.
Darwin is essentially frost-free, which gives choy sum plenty of flexibility either side of the ideal window.
Gardening near Darwin?
This calendar uses Darwin's average climate. Get the interactive version tuned to your exact suburb — free, no account needed.
Open your calendar →Frequently asked questions
Can you grow choy sum in Darwin?
Darwin's tropical climate makes choy sum a poor fit: Choy Sum can't handle the heat in your area — temperatures exceed 28°C for too much of the year.