Planting Zone 10a

Min winter temp 30 to 35°F · last frost ~January · first frost ~December

Last spring frost

Jan 31

First fall frost

Dec 20

Growing season

323 days

In Zone 10a, the average last spring frost is around January and the first fall frost around December, about a 323-day growing season. Start tender crops indoors before the last frost and move them out once it passes.

Zone 10a planting calendar

Start indoors Transplant Direct sow Harvest

Crop	Jan	Feb	Mar	Apr	May	Nov	Dec
Tomatoes		●		●			●
Peppers		●			●		●
Cucumbers	●	●		●
Lettuce	●		●
Zucchini	●	●		●
Carrots	●		●
Beans (bush)		●		●
Peas		●					●
Broccoli	●		●				●
Spinach		●					●
Kale	●		●				●
Onions	●			●		●
Garlic
Potatoes	●			●
Squash (winter)	●	●			●
Corn		●		●
Radishes	●
Beets	●		●
Eggplant		●			●		●
Basil		●		●			●
Cilantro	●		●
Parsley	●			●			●
Pumpkins	●	●			●
Sunflowers		●		●

When to plant popular crops in Zone 10a

Tomatoes

~75 days

When to plant

Peppers

~80 days

When to plant

Cucumbers

~60 days

When to plant

Lettuce

~50 days

When to plant

Tomatoes Peppers Cucumbers Lettuce Zucchini Carrots Beans (bush) Peas Broccoli Spinach Kale Onions Garlic Potatoes Squash (winter) Corn Radishes Beets Eggplant Basil Cilantro Parsley Pumpkins Sunflowers

Frequently asked questions

When is the last frost in Zone 10a?

On average, the last spring frost in Zone 10a is around January; the first fall frost is around December.

What can I grow in Zone 10a?

Nearly all common vegetables and herbs grow in Zone 10a; the difference is timing. Use the planting calendar above, calculated from Zone 10a frost dates.

How long is the growing season in Zone 10a?

About 323 days between the average last spring and first fall frost.