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.

A way of estimating when you can plant calliopsis is to refer to the USDA zone info for Brookhaven.

Planting Calendar for Calliopsis

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

Calliopsis do not do well in cold weather which means that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant calliopsis in Brookhaven 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 fully mature. Starting your calliopsis indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Brookhaven the average date of last frost happens on March 15. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Brookhaven is an average the actual date of last frost changes from year to year. Since half of the time in Brookhaven it frosts late in the year after March 15 be ready to protect your calliopsis if you have one of those late frosts.

USDA Zone Info for Brookhaven

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 Brookhaven

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