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

By referring to the USDA zone info for Woodstock it's a good idea to figure out when 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.

Since rudbeckia are one of those plants that can tolerate a little bit of cold weather you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant rudbeckia in Woodstock 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. If you wait any later than that and your rudbeckia may not have a chance to really do well. Starting your rudbeckia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Woodstock. In the coldest months of winter you can expect an average low temperature of -15°F.

Keep in mind that USDA zone info for Woodstock is just an average and the actual date of last frost will vary from year to year. Half of the time in Woodstock last frost occurs after April 15 so just be sure to be ready to protect your rudbeckia in the event of a surprise late frost.

USDA Zone Info for Woodstock

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Woodstock

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