Before planting it is a good idea to find your USDA Zone info to figure out 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.

In Duncan you can determine when it's the best time to plant bishop's weed by reviewing the USDA zone info.

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 do well in cold which tells us that you can plant them a quite a bit earlier than more sensitive plants.

The earliest that you can plant bishop's weed in Duncan 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. If you wait any later than that and your bishop's weed may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your bishop's weed indoors.

Last Frost Date

The average date of last frost is April 15 in Duncan. In the coldest months of winter you can expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Duncan is not always accurate and the actual date of last frost can change quite a bit from year to year. Half of the time in Duncan you get a frost after April 15 so be sure to be ready to cover your bishop's weed if you have a late frost.

USDA Zone Info for Duncan

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Duncan

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