USDA hardiness zone
Zone 10 — 30 to 40°F
South Florida, Coastal Southern California, Hawaii (parts) · 365-day growing season
What grows in Zone 10
Zone 10 suits the following plants based on temperature tolerance and growing-season length:
- Tomatoes (winter crop, summer break)
- Citrus (full range)
- Avocado
- Mango, papaya, passion fruit
- Banana
- Pineapple
- Tropical herbs (lemongrass, Thai basil)
- Sweet potatoes
- Eggplant (year-round)
- Hot peppers
- Bok choy, mustard greens (cool months)
- Tropical ornamentals (hibiscus, plumeria, bougainvillea)
Climate notes for Zone 10
Summer can be too hot for many tomato varieties. Winter is the prime growing season for cool-loving crops.
Frost dates and timing
| Average last spring frost | frost rare or never |
|---|---|
| Average first fall frost | frost rare or never |
| Growing season length | ~365 days |
| Temperature range (F) | 30 to 40°F |
| Temperature range (C) | -1 to 4°C |
These are zone-wide averages. Local microclimates (south-facing slopes, urban heat, lakeside warmth) can shift dates by 1-2 weeks within the same zone.
Source and methodology
Temperature ranges from the USDA Plant Hardiness Zone Map (2023). Frost-date averages from NOAA Climate Data Online national averages within each zone. Plant recommendations curated by the Growli editorial team from US extension service references.
What to plant in Zone 10
Crop-by-crop sowing, transplant, and harvest dates for zone 10:
- When to plant tomatoes in zone 10
- When to plant peppers in zone 10
- When to plant basil in zone 10
- When to plant garlic in zone 10
- When to plant lettuce in zone 10
- When to plant bush beans in zone 10
- When to plant cucumbers in zone 10
- When to plant summer squash in zone 10
- When to plant peas in zone 10
- When to plant carrots in zone 10
- When to plant broccoli in zone 10
- When to plant cauliflower in zone 10
- When to plant cabbage in zone 10
- When to plant kale in zone 10
- When to plant brussels sprouts in zone 10
- When to plant collard greens in zone 10
- When to plant spinach in zone 10
- When to plant swiss chard in zone 10
- When to plant arugula in zone 10
- When to plant beets in zone 10
- When to plant radishes in zone 10
- When to plant turnips in zone 10
- When to plant parsnips in zone 10
- When to plant kohlrabi in zone 10
- When to plant onions in zone 10
- When to plant leeks in zone 10
- When to plant celery in zone 10
- When to plant potatoes in zone 10
- When to plant sweet potatoes in zone 10
- When to plant eggplant in zone 10
- When to plant okra in zone 10
- When to plant sweet corn in zone 10
- When to plant pumpkins in zone 10
- When to plant winter squash in zone 10
- When to plant zucchini in zone 10
- When to plant cantaloupe in zone 10
- When to plant watermelon in zone 10
- When to plant pole beans in zone 10
- When to plant edamame in zone 10
- When to plant cilantro in zone 10
- When to plant dill in zone 10
- When to plant parsley in zone 10
- When to plant oregano in zone 10
- When to plant thyme in zone 10
- When to plant sage in zone 10
- When to plant rosemary in zone 10
- When to plant chives in zone 10
Common questions
What can I plant in USDA Zone 10?
Zone 10 suits Tomatoes (winter crop, summer break), Citrus (full range), Avocado, Mango, papaya, passion fruit, Banana, Pineapple, and more, based on its 365-day growing season and 30 to 40°F average minimum temperatures.
When is the last frost in Zone 10?
The average last spring frost in Zone 10 passes around frost rare or never, and the first fall frost arrives around frost rare or never. Wait until after the last frost date before planting tender crops outdoors.
How long is the growing season in Zone 10?
Zone 10 has roughly 365 frost-free growing days between the average last spring frost (frost rare or never) and the first fall frost (frost rare or never).
What is the temperature range of USDA Zone 10?
USDA Zone 10 is defined by average annual minimum temperatures of 30 to 40°F (-1 to 4°C).
When can I start planting in Zone 10?
Hardy cool-season crops can go outdoors a few weeks before the last frost (frost rare or never); tender crops should wait until 1–2 weeks after it. Start warm-season seeds indoors about 6–8 weeks before frost rare or never.