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.

You can estimate when you can plant snow-in summer in Sunnyvale by using 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 some cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant snow-in summer in Sunnyvale 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 snow-in summer and expect a good harvest is probably September. 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 couple of weeks earlier by starting your snow-in summer indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Sunnyvale. In the coldest months of winter you should expect an average low temperature of 10°F.

Since the USDA zone info for Sunnyvale is not always accurate the actual date of last frost will vary from year to year. Half of the time in Sunnyvale you get surprised by a frost after March 15 so just be sure to be ready to protect your snow-in summer if you have one of those late frosts.

USDA Zone Info for Sunnyvale

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Sunnyvale

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