The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Derby it's a good idea to determine when it's the best time to plant plectranthus.

Planting Calendar for Plectranthus

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

It's not a good idea to plant plectranthus until after the last frost because they require warm weather.

The earliest that you can plant plectranthus in Derby 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 plectranthus and expect a good harvest is probably August. If you wait any later than that and your plectranthus may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your plectranthus indoors.

Last Frost Date

The average date of last frost is April 15 in Derby. You can expect an average low temperature of -5°F in the coldest months of winter.

It's important to remember that USDA zone info for Derby may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Derby it frosts late in the year after April 15 be ready to cover your plectranthus if you have a late frost.

USDA Zone Info for Derby

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Derby

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