The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Harker Heights you can estimate when you can plant carnation by referring to the USDA zone info.

Planting Calendar for Carnation

Frost tolerance for carnation:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant carnation quite a bit earlier in the year because they are one of those plants that can tolerate quite a bit of cold weather.

The earliest that you can plant carnation in Harker Heights is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant carnation and expect a good harvest is probably September. Any later than that and your carnation may not have a chance to grow to maturity. If you are starting your carnation indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Harker Heights. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Harker Heights may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Harker Heights last frost occurs after March 15 so make sure that you are prepared to cover your carnation if you have a late frost.

USDA Zone Info for Harker Heights

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 Harker Heights

You may be interested in your other planting guides for Harker Heights.