One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when to plant tropical hibiscus in Powell by reviewing the USDA zone info.

Planting Calendar for Tropical Hibiscus

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

Since tropical hibiscus require warm weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant tropical hibiscus in Powell 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. Any later than that and your tropical hibiscus may not have a chance to fully mature. You can get started a few weeks earlier by starting your tropical hibiscus indoors.

Last Frost Date

The average date of last frost is April 15 in Powell. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Powell is an average the actual date of last frost will vary from year to year. Since half of the time in Powell you get a frost after April 15 be ready to cover your tropical hibiscus if you have one of those late frosts.

USDA Zone Info for Powell

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Powell

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