The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of making a decision about when to plant stocks is to look at the USDA zone info for Winters.

Planting Calendar for Stocks

Frost tolerance for stocks:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant stocks just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant stocks in Winters 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 stocks and expect a good harvest is probably September. If you wait any later than that and your stocks may not have a chance to fully mature. You can get started a few weeks earlier by starting your stocks indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Winters. You should expect an average low temperature of 25°F in the coldest months of winter.

Keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Winters and it is different every year. Since half of the time in Winters there is a last frost after February 15 be ready to protect your stocks in the event of a late frost.

USDA Zone Info for Winters

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 Winters

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