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

The best time to plant hypericum in Chino Hills can be estimated by using the USDA zone info.

Planting Calendar for Hypericum

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

Hypericum do well in mild cold which means that you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant hypericum 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 hypericum and expect a good harvest is probably September. If you wait any later than that and your hypericum may not have a chance to fully mature. Starting your hypericum indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Chino Hills. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Chino Hills may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Chino Hills there is a last frost after January 31 be ready to cover your hypericum in the event of a surprise 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.