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 Farmington you can determine when it's possible to plant dahlia by looking at the USDA zone info.

Planting Calendar for Dahlia

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

You should not plant dahlia until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant dahlia in Farmington 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. If you wait any later than that and your dahlia may not have a chance to grow to maturity. Starting your dahlia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Farmington. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Farmington 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 Farmington it frosts late in the year after April 15 so just be sure to be ready to cover your dahlia in the event of a late frost.

USDA Zone Info for Farmington

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Farmington

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