One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 best time to plant pansies in Sunnyvale can be estimated by checking out the USDA zone info.

Planting Calendar for Pansies

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

You can plant pansies a lot earlier in the year because they are very cold tolerant.

The earliest that you can plant pansies 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 pansies and expect a good harvest is probably October. You probably don't want to wait any later than that or else your pansies may not have a chance to fully mature. Starting your pansies indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Sunnyvale is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Sunnyvale you get surprised by a frost after February 15 so make sure that you are prepared to cover your pansies 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.