One of the first steps you take when you are figuring out 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 determine when to plant plectranthus in Dumfries by reviewing the USDA zone info.

Planting Calendar for Plectranthus

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

It's probably not a good idea to plant plectranthus until after all chance of frost has passed because they do not do well in cold weather.

The earliest that you can plant plectranthus in Dumfries 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 grow to maturity. Starting your plectranthus indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Dumfries is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Dumfries it frosts late in the year after April 15 so make sure that you are prepared to protect your plectranthus if you have one of those late frosts.

USDA Zone Info for Dumfries

Here is the info for USDA Zone 7b.

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

Plants to Grow in Dumfries

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