Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Hercules can be read to figure out when it's possible to plant snow-in summer.

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 are moderately cold tolerant which means that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant snow-in summer in Hercules 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. If you wait any later than that and your snow-in summer may not have a chance to grow to maturity. You can get started a little bit earlier by starting your snow-in summer indoors.

Last Frost Date

On average the last frost is on February 15 in Hercules. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Hercules is an average the actual date of last frost will vary from year to year. Since half of the time in Hercules it frosts late in the year after February 15 be ready to cover your snow-in summer in the event of a surprise late frost.

USDA Zone Info for Hercules

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 Hercules

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