What to Plant in August in Zone 10
69 crops you can start in zone 10a & 10b during August. The dates are worked out from zone 10's typical frosts: last spring frost around Jan 30, first fall frost around Dec 20. Each crop links to its full dates for zone 10.
Start indoors in August
Seeds to start under lights or on a sunny sill this month. Dates are the indoor-start window for zone 10.
Vegetables & herbs
- ArtichokeAug–DecFall
- BeetAug–JanFall
- BroccoliAug–DecFall
- Brussels SproutsJul–SepFall
- CabbageAug–DecFall
- CauliflowerAug–DecFall
- Chamomile (German)Aug–JanFall
- ChivesAug–FebFall
- CucumberJul–AugSummer
- DillAug–NovFall
- KaleAug–DecFall
- LettuceAug–DecFall
- OnionAug–NovFall
- ParsleyJul–MarFall
- PotatoAug–DecFall
- SpinachAug–DecFall
- Summer Squash (Yellow)Jul–AugSummer
- Swiss ChardAug–JanFall
- ZucchiniJul–AugSummer
Flowers
- Black-Eyed SusanAug–JanFall
- CalendulaAug–SepFall
- Coreopsis (Tickseed)Aug–SepFall
- HollyhockAug–JanFall
- MarigoldAug–SepFall
- Pansy / ViolaAug–NovFall
- PetuniaJul–JanFall
- Salvia (Scarlet Sage)Jul–AugFall
- SnapdragonJul–DecFall
- StrawflowerAug–DecFall
- Sweet AlyssumAug–JanFall
Sow or plant outside in August
What goes in the ground this month, either as seed or as a transplant. Dates are the planting-out window for zone 10.
Vegetables & herbs
- BasilTransplantFeb–Aug
- Bush BeansDirect sowAug–SepSummer
- CucumberTransplantAug–SepSummer
- Edamame (Soybean)Direct sowAug–SepSummer
- EggplantTransplantJul–SepSummer
- PumpkinTransplantJul–AugSummer
- Summer Squash (Yellow)TransplantAug–SepSummer
- Sweet CornDirect sowJul–AugSummer
- TomatoTransplantJul–SepSummer
- Winter SquashTransplantJul–AugSummer
- ZucchiniTransplantAug–SepSummer
Peppers
- 7 Pot Douglah Pepper (Chocolate 7 Pot)TransplantAug–SepSummer
- 7 Pot Primo PepperTransplantAug–SepSummer
- Anaheim Pepper (New Mexico, Hatch)TransplantJul–SepSummer
- Bell PepperTransplantJul–SepSummer
- Carolina Reaper PepperTransplantAug–SepSummer
- Cayenne PepperTransplantJul–SepSummer
- Chile de Árbol PepperTransplantJul–SepSummer
- Cubanelle PepperTransplantJul–SepSummer
- Dorset Naga PepperTransplantAug–SepSummer
- Fresno PepperTransplantJul–SepSummer
- Ghost Pepper (Bhut Jolokia)TransplantAug–SepSummer
- Guajillo Pepper (Mirasol)TransplantJul–SepSummer
- Hungarian Wax PepperTransplantJul–SepSummer
- Italian Frying Pepper (Corno di Toro, Marconi)TransplantJul–SepSummer
- Jalapeño PepperTransplantJul–SepSummer
- Komodo Dragon PepperTransplantAug–SepSummer
- Mini Sweet Pepper (Snacking)TransplantJul–SepSummer
- Naga Viper PepperTransplantAug–SepSummer
- Padrón PepperTransplantJul–SepSummer
- Pasilla Pepper (Chilaca)TransplantJul–SepSummer
- Pimento PepperTransplantJul–SepSummer
- Poblano Pepper (Ancho)TransplantJul–SepSummer
- Serrano PepperTransplantJul–SepSummer
- Shishito PepperTransplantJul–SepSummer
- Superhot Pepper (Ghost, Reaper, Scorpion)TransplantAug–SepSummer
- Sweet Banana PepperTransplantJul–SepSummer
- Sweet Cherry PepperTransplantJul–SepSummer
- Thai Chili Pepper (Bird's Eye)TransplantJul–SepSummer
- Trinidad Moruga Scorpion PepperTransplantAug–SepSummer
- Trinidad Scorpion Butch T PepperTransplantAug–SepSummer
Flowers
- SunflowerDirect sowFeb–Aug
← July in zone 10 · September in zone 10 →
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August in other zones: zone 5, zone 6, zone 7, zone 8, zone 9, zone 11
Worth having in August

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What to plant in August in zone 10: 69 crops to start indoors or plant outside, including lettuce, cucumber, zucchini, bush beans, with exact dates for zone 10a and 10b.
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