The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Wheeling you will be able to figure out when it's the best time to plant rudbeckia.

Planting Calendar for Rudbeckia

Frost tolerance for rudbeckia:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant rudbeckia a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant rudbeckia in Wheeling is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant rudbeckia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your rudbeckia may not have a chance to fully mature. Starting your rudbeckia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Wheeling. It might get as low as -5°F during the coldest months of winter.

Remember that USDA zone info for Wheeling is an average and the actual date of last frost will vary from year to year. Since half of the time in Wheeling you get a frost after April 15 be ready to protect your rudbeckia if you have one of those late frosts.

USDA Zone Info for Wheeling

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 Wheeling

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