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

The USDA zone info for Bella Vista should be looked at to figure out when it's a good idea to plant calliopsis.

Planting Calendar for Calliopsis

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

Since calliopsis require warm weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant calliopsis in Bella Vista 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. 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 when the weather gets warmer is on April 15 in Bella Vista. In the coldest months of winter you can expect an average low temperature of -5°F.

Always keep in mind that USDA zone info for Bella Vista is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Bella Vista it frosts late in the year after April 15 be ready to protect your calliopsis in the event of a late frost.

USDA Zone Info for Bella Vista

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Bella Vista

You may be interested in your other planting guides for Bella Vista.