When can I plant Bishop's Weed in Zone 5a

Before planting it is a good idea to find our USDA Zone info to estimate our garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

One way of figuring out when you can plant bishop's weed is to consult the USDA zone info for Zone 5a.


Planting Calendar for Bishop's Weed

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

Bishop's Weed do well in cold which means that you can start planting them much earlier than plants that are more sensitive to the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant bishop's weed
Possibly ok, but a risky time to plant bishop's weed
Probably not a good time to plant bishop's weed

The earliest that you can plant bishop's weed in Zone 5a 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. You can get started a couple of weeks earlier by starting your bishop's weed indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Zone 5a. In the coldest months of winter we should expect an average low temperature of -20°F.

Keep in mind that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 5a and it will vary from year to year. Since half of the time in Zone 5a last frost occurs after April 15 be ready to protect your bishop's weed if we have one of those late frosts.

USDA Zone Info for Zone 5a

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Zone 5a

You may be interested in our other planting guides for Zone 5a.