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

You will be able to determine when it's the best time to plant iresene by checking out the USDA zone info for Killeen.

Planting Calendar for Iresene

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

It's probably a bad idea to plant iresene until after the last frost has passed because they require warm weather.

The earliest that you can plant iresene 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 iresene and expect a good harvest is probably August. Any later than that and your iresene may not have a chance to fully mature. You can get started a little bit earlier by starting your iresene indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Killeen is not always accurate and the actual date of last frost changes from year to year. Half of the time in Killeen there is a last frost after March 15 so make sure that you are prepared to protect your iresene in the event of one of those late frosts.

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.