Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of estimating when you can plant calliopsis is to consult the USDA zone info for Spotswood.

Planting Calendar for Calliopsis

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

You really shouldn't plant calliopsis until after all chance of frost has passed because they require warm weather.

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

Last Frost Date

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

Always keep in mind that USDA zone info for Spotswood is not always accurate and the actual date of last frost changes from year to year. Half of the time in Spotswood there is a last frost after April 15 so be sure to be ready to cover your calliopsis in the event of one of those late frosts.

USDA Zone Info for Spotswood

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 Spotswood

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