One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when it's possible to plant tomatos by using the USDA zone info for Aliso Viejo.

Planting Calendar for Tomatos

Frost tolerance for tomatos:	Not tolerant of frost.
When to plant:	After the last frost.

Tomatos do not do well in cold weather which means that you must wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant tomatos in Aliso Viejo is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant tomatos and expect a good harvest is probably September. Any later than that and your tomatos may not have a chance to really do well. Starting your tomatos indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is January 31 in Aliso Viejo. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for Aliso Viejo is just an average and the actual date of last frost is different every year. Half of the time in Aliso Viejo you get surprised by a frost after January 31 so just be sure to be ready to cover your tomatos in the event of a late frost.

USDA Zone Info for Aliso Viejo

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Aliso Viejo

You may be interested in your other planting guides for Aliso Viejo.