Sow now › USDA zone 9 › September
What to sow in September
in USDA zone 9
41 crops can go in this month. Typical last frost zone 9: about 15 February. First autumn frost about 15 December.
Sow in September
Plant out in September
Sown earlier under cover, hardened off, and going in the ground once the last frost has passed.
Ready to pick in September
Coming up in October
Apple, Apricot, Asian Pear, Bulb Onion, Cherry (Sour), Cherry (Sweet), Chives, Fava Bean, Fig, Garlic, Globe Artichoke, Grape (Table), Grape (Wine), Kiwi (Fuzzy), Kiwi (Hardy Kiwiberry), Leek, Mulberry, Nectarine, Passionfruit, Pawpaw, Peach, Pear, Plum (European), Plum (Japanese), Pomegranate, Quince, Rhubarb, Shallot. See the October page.
Your ZIP code
Type your ZIP and you'll get the page for your zone, with the typical frost dates.
Questions people ask
What can I sow in September in USDA zone 9?
41 crops go in this month in USDA zone 9: Arugula, Beetroot, Blackberry, Blueberry (Northern Highbush), Blueberry (Rabbiteye), Bok Choy, Broccoli, Cabbage and more.
When is the last frost in USDA zone 9?
Typically around 15 February, with the first autumn frost about 15 December. Treat those as averages and watch the forecast; a cold spring can push them back a fortnight.
What's ready to harvest in September in USDA zone 9?
Acorn Squash (Pumpkin), Apple, Apricot, Asian Pear, Basil, Blackberry, Blueberry (Northern Highbush), Blueberry (Rabbiteye) and more.
Plan the plot, track every sowing, cook the harvest
Sowing reminders and harvest forecasts for your own frost dates, the Seed Tin, Scan Centre for any label or packet, and the Potty Mouth Garden Club. Free to start.
Allotment keeper in the North East of England, the voice behind the Tony C Smith YouTube channel, and the gardener who built GrowMore CookMore. Club numbers on this page update as members log their plots. Last updated 4 September 2026.