The USDA Zone info is a great tool for gardeners to help us figure out your gardening 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 Killeen should be looked at to estimate when it's possible to plant cuphea.

Planting Calendar for Cuphea

Frost tolerance for cuphea:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since cuphea do not do well in cold weather you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant cuphea in Killeen 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 cuphea and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cuphea may not have a chance to really do well. If you are starting your cuphea indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Killeen. It might get as low as 15°F during the coldest months of winter.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Killeen and it is different every year. Since half of the time in Killeen you get surprised by a frost after March 15 be ready to cover your cuphea if you have a late frost.

USDA Zone Info for Killeen

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 Killeen

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