One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Versailles you can figure out when it's a good idea to plant dahlia by using the USDA zone info.

Planting Calendar for Dahlia

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

You should not plant dahlia until after the last frost has passed because they are not cold tolerant.

The earliest that you can plant dahlia in Versailles 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 grow to maturity. Starting your dahlia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Versailles. You should expect an average low temperature of -5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Versailles may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Versailles last frost occurs after April 15 be ready to cover your dahlia if you have a surprise late frost.

USDA Zone Info for Versailles

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Versailles

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