The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant calliopsis in Bellaire should be determined by using the USDA zone info.

Planting Calendar for Calliopsis

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

Since calliopsis are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant calliopsis in Bellaire 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. You probably don't want to wait any later than that or else 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

On average the last frost has passed is on April 15 in Bellaire. It might get as low as -5°F during the coldest months of winter.

It's important to remember that USDA zone info for Bellaire 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 Bellaire you get surprised by a frost after April 15 be ready to protect your calliopsis in the event of a surprise late frost.

USDA Zone Info for Bellaire

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 Bellaire

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