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 USDA zone info for Somerdale can be read to figure out when you can plant dahlias.

Planting Calendar for Dahlias

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

Since dahlias require warm weather you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant dahlias in Somerdale 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. If you wait any later than that and your dahlias may not have a chance to fully mature. If you are starting your dahlias indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Somerdale. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that USDA zone info for Somerdale is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Somerdale last frost occurs after April 15 be ready to protect your dahlias if you have a surprise late frost.

USDA Zone Info for Somerdale

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 Somerdale

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