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.

The USDA zone info for Audubon should be read to figure out when it's possible to plant bishop's weed.

Planting Calendar for Bishop's Weed

Frost tolerance for bishop's weed:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Bishop's Weed are one of those plants that can tolerate quite a bit of cold weather which tells us that you can plant them a quite a bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant bishop's weed in Audubon 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 bishop's weed and expect a good harvest is probably September. Any later than that and your bishop's weed may not have a chance to grow to maturity. You can get started a little bit earlier by starting your bishop's weed indoors.

Last Frost Date

The average date of last frost is April 15 in Audubon. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that USDA zone info for Audubon may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Audubon last frost occurs after April 15 so make sure that you are ready to protect your bishop's weed if you have one of those late frosts.

USDA Zone Info for Audubon

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Audubon

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