One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant bishop's weed in Downingtown can be estimated by referring to 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 tend to make it in cold weather which means that you can plant them earlier in the year than more sensitive plants.

The earliest that you can plant bishop's weed in Downingtown 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. You probably don't want to wait any later than that or else 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 April 15 in Downingtown. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Downingtown may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Downingtown it frosts late in the year after April 15 so always be ready to cover your bishop's weed if you have a late frost.

USDA Zone Info for Downingtown

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 Downingtown

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