One of the best tools that you have as gardeners to help us determine 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 dahlias in Hudson should be estimated by reviewing the USDA zone info.

Planting Calendar for Dahlias

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

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

The earliest that you can plant dahlias in Hudson 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 fully mature. Starting your dahlias indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Hudson. In the coldest months of winter you should expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Hudson is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Hudson you get surprised by a frost after April 15 be ready to protect your dahlias in the event of a late frost.

USDA Zone Info for Hudson

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Hudson

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