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.

You should be able to determine when it's a good idea to plant hypericum by looking at the USDA zone info for Auburn.

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 ok in moderate cold which tells us that you can get them planted just a bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant hypericum in Auburn 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 couple of weeks earlier.

Last Frost Date

In Auburn the average date of last frost happens on February 15. It might get as low as 25°F during the coldest months of winter.

Remember that USDA zone info for Auburn may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Auburn there is a last frost after February 15 be ready to cover your hypericum in the event of one of those late frosts.

USDA Zone Info for Auburn

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 Auburn

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