One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Commerce you can figure out when it's possible to plant hypericum by reviewing 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 ok in moderate cold which means that you can start planting them slightly earlier than other frost tender plants.

The earliest that you can plant hypericum in Commerce is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant hypericum and expect a good harvest is probably August. You probably don't want to wait any later than that or else your hypericum may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your hypericum indoors.

Last Frost Date

The average date of last frost is March 15 in Commerce. In the coldest months of winter you can expect an average low temperature of 10°F.

Keep in mind that USDA zone info for Commerce is just an average and the actual date of last frost changes from year to year. Half of the time in Commerce last frost occurs after March 15 so always be ready to protect your hypericum if you have one of those late frosts.

USDA Zone Info for Commerce

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Commerce

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