The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant stocks in Pomona can be determined by using the USDA zone info.

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.

Stocks do well in some cold which means that you can plant them just a tiny bit earlier in the year than other frost tender plants.

The earliest that you can plant stocks in Pomona 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. Any later than that and your stocks may not have a chance to fully mature. Starting your stocks indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Pomona the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Keep in mind that USDA zone info for Pomona is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Pomona you get surprised by a frost after January 31 so make sure that you are prepared to protect your stocks in the event of one of those late frosts.

USDA Zone Info for Pomona

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Pomona

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