One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant snow-in summer in Vacaville can be estimated by referring to the USDA zone info.

Planting Calendar for Snow-in Summer

Frost tolerance for snow-in summer:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Snow-in Summer tend to make it in mild cold which tells us that you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant snow-in summer in Vacaville is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant snow-in summer and expect a good harvest is probably October. You probably don't want to wait any later than that or else your snow-in summer may not have a chance to really do well. Starting your snow-in summer indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Vacaville. You can expect an average low temperature of 25°F in the coldest months of winter.

Remember that USDA zone info for Vacaville may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Vacaville you get surprised by a frost after February 15 be ready to protect your snow-in summer in the event of one of those late frosts.

USDA Zone Info for Vacaville

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 Vacaville

You may be interested in your other planting guides for Vacaville.