Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant pansies in San Jose should be determined by looking at 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.

Since pansies are very cold tolerant you can plant them much earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant pansies in San Jose 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 grow to maturity. You can get started a couple of weeks earlier by starting your pansies indoors.

Last Frost Date

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

Keep in mind that USDA zone info for San Jose is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in San Jose it frosts late in the year after February 15 so make sure that you are ready to protect your pansies in the event of a surprise late frost.

USDA Zone Info for San Jose

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 San Jose

You may be interested in your other planting guides for San Jose.