One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant dahlia in Pecos should be figured out by reviewing the USDA zone info.

Planting Calendar for Dahlia

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

You really shouldn't plant dahlia until after the last frost because they do not do well in cold weather.

The earliest that you can plant dahlia in Pecos 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 dahlia and expect a good harvest is probably August. Any later than that and your dahlia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your dahlia indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Pecos. In the coldest months of winter you should expect an average low temperature of 10°F.

Remember that USDA zone info for Pecos is not always accurate and the actual date of last frost is different every year. Half of the time in Pecos it frosts late in the year after March 15 so be sure to be ready to cover your dahlia if you have one of those late frosts.

USDA Zone Info for Pecos

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Pecos

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