One of the first steps you take when you are estimating 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 earliest that you can plant garlic in Sunnyvale should be determined by looking at the USDA zone info.

Planting Calendar for Garlic

Frost tolerance for garlic:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Garlic tend to make it in cold weather which tells us that you can plant them much earlier in the year than other frost tender plants.

The earliest that you can plant garlic in Sunnyvale 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 garlic and expect a good harvest is probably October. You probably don't want to wait any later than that or else your garlic may not have a chance to grow to maturity. Starting your garlic indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Sunnyvale the average date of last frost happens on February 15. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Sunnyvale may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Sunnyvale there is a last frost after February 15 be ready to cover your garlic in the event of a surprise late frost.

USDA Zone Info for Sunnyvale

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 Sunnyvale

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