Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 dahlia in Whiting can be estimated 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.

Since dahlia are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant dahlia in Whiting 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. You probably don't want to wait any later than that or else your dahlia may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your dahlia indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Whiting is just an average and the actual date of last frost is different every year. Since half of the time in Whiting last frost occurs after April 15 be ready to cover your dahlia in the event of one of those late frosts.

USDA Zone Info for Whiting

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 Whiting

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