One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's possible to plant calliopsis by checking out the USDA zone info for Marlin.

Planting Calendar for Calliopsis

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

Calliopsis require warm weather which means that it is necessary to 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 Marlin 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 little bit earlier by starting your calliopsis indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Marlin. In the coldest months of winter you can expect an average low temperature of 15°F.

Always keep in mind that USDA zone info for Marlin is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Marlin there is a last frost after March 15 so make sure that you are ready to protect your calliopsis in the event of one of those late frosts.

USDA Zone Info for Marlin

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 Marlin

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