The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You will be able to estimate when it's possible to plant tropical hibiscus by using the USDA zone info for Commerce.

Planting Calendar for Tropical Hibiscus

Frost tolerance for tropical hibiscus:	Not tolerant of frost.
When to plant:	After the last frost has passed.

You can not plant tropical hibiscus until after the last frost has passed because they are not cold tolerant.

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

The last month that you can plant tropical hibiscus and expect a good harvest is probably August. If you wait any later than that and your tropical hibiscus may not have a chance to grow to maturity. Starting your tropical hibiscus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Commerce is just an average the actual date of last frost changes from year to year. Since half of the time in Commerce you get surprised by a frost after March 15 be ready to cover your tropical hibiscus if you have a late frost.

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.