One of the first steps you take when you are determining 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.

By looking at the USDA zone info for Waterford you should be able to determine when you can plant plectranthus.

Planting Calendar for Plectranthus

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

Since plectranthus are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant plectranthus in Waterford 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. Any later than that and your plectranthus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your plectranthus indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Waterford. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Waterford may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Waterford you get surprised by a frost after April 15 so make sure that you are ready to cover your plectranthus if you have a surprise late frost.

USDA Zone Info for Waterford

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Waterford

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