One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's possible to plant bishop's weed is to examine the USDA zone info for Darlington.

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.

Since bishop's weed are very cold tolerant you can plant them a lot earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant bishop's weed in Darlington 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 fully mature. Starting your bishop's weed indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Darlington. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Darlington is just an average the actual date of last frost will vary from year to year. Half of the time in Darlington it frosts late in the year after March 15 so make sure that you are prepared to protect your bishop's weed in the event of one of those late frosts.

USDA Zone Info for Darlington

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Darlington

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