The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Santa Rosa it's possible to estimate when it's possible to plant eggplants.

Planting Calendar for Eggplants

Frost tolerance for eggplants:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You should not plant eggplants until after the last frost because they require warm weather.

The earliest that you can plant eggplants in Santa Rosa is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant eggplants and expect a good harvest is probably September. Any later than that and your eggplants may not have a chance to fully mature. You can get started a few weeks earlier by starting your eggplants indoors.

Last Frost Date

On average the last frost has passed is on February 15 in Santa Rosa. In the coldest months of winter you can expect an average low temperature of 25°F.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Santa Rosa and it can change quite a bit from year to year. Half of the time in Santa Rosa you get surprised by a frost after February 15 so just be sure to be ready to cover your eggplants in the event of a late frost.

USDA Zone Info for Santa Rosa

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Santa Rosa

You may be interested in your other planting guides for Santa Rosa.