One of the best tools that you have as gardeners to help us figure out 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.

By looking at the USDA zone info for Powell it's possible to figure out when you can plant streptocarpella.

Planting Calendar for Streptocarpella

Frost tolerance for streptocarpella:	Not tolerant of frost.
When to plant:	After the last frost.

You really shouldn't plant streptocarpella until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant streptocarpella 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 streptocarpella and expect a good harvest is probably August. If you wait any later than that and your streptocarpella may not have a chance to fully mature. You can get started a little bit earlier by starting your streptocarpella indoors.

Last Frost Date

On average the last frost is on April 15 in Powell. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Powell is not always accurate the actual date of last frost changes from year to year. Half of the time in Powell there is a last frost after April 15 so make sure that you are ready to protect your streptocarpella if you have a surprise late frost.

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.