Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can estimate when it's a good idea to plant calliopsis in Jasper by checking out the USDA zone info.

Planting Calendar for Calliopsis

Frost tolerance for calliopsis:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Calliopsis require warm weather which means that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant calliopsis in Jasper 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 couple of weeks earlier by starting your calliopsis indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Jasper is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Jasper last frost occurs after March 15 be ready to protect your calliopsis if you have a surprise late frost.

USDA Zone Info for Jasper

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Jasper

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