Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of figuring out when to plant stocks is to refer to the USDA zone info for Chino Hills.

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 mild cold which means that you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant stocks in Chino Hills 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. You probably don't want to wait any later than that or else your stocks may not have a chance to grow to maturity. You can get started a little bit earlier by starting your stocks indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Chino Hills. In the coldest months of winter you should expect an average low temperature of 30°F.

Since the USDA zone info for Chino Hills 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 Chino Hills it frosts late in the year after January 31 be ready to cover your stocks in the event of a late frost.

USDA Zone Info for Chino Hills

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 Chino Hills

You may be interested in your other planting guides for Chino Hills.