The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant dahlias in South Jordan can be figured out by checking out the USDA zone info.

Planting Calendar for Dahlias

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

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

The earliest that you can plant dahlias in South Jordan 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 dahlias and expect a good harvest is probably August. You probably don't want to wait any later than that or else your dahlias may not have a chance to really do well. Starting your dahlias indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in South Jordan. You should expect an average low temperature of 0°F in the coldest months of winter.

Always keep in mind that USDA zone info for South Jordan is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in South Jordan it frosts late in the year after April 15 so always be ready to protect your dahlias in the event of a surprise late frost.

USDA Zone Info for South Jordan

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 South Jordan

You may be interested in your other planting guides for South Jordan.