One of the first steps you take when you are making a decision about 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.

You can estimate when you can plant streptocarpella in Darby by referring to the USDA zone info.

Planting Calendar for Streptocarpella

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

Since streptocarpella do not do well in cold weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant streptocarpella in Darby 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 grow to maturity. You can get started a couple of weeks earlier by starting your streptocarpella indoors.

Last Frost Date

On average the last frost is on April 15 in Darby. In the coldest months of winter you should expect an average low temperature of 0°F.

Remember that USDA zone info for Darby is not always accurate and the actual date of last frost is different every year. Since half of the time in Darby it frosts late in the year after April 15 be ready to protect your streptocarpella in the event of one of those late frosts.

USDA Zone Info for Darby

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Darby

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