When to Plant Bishop's Weed in Monroe, WA

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

The first chance to plant bishop's weed in Monroe can be estimated by looking at 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 quite a bit of cold which tells us that you can plant them quite a bit earlier in the year than other frost tender plants.

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 Monroe 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. 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 March 15 in Monroe. In the coldest months of winter you should expect an average low temperature of 15°F.

Since the USDA zone info for Monroe is an average the actual date of last frost is different every year. Half of the time in Monroe you get a frost after March 15 so make sure that you are prepared to protect your bishop's weed in the event of a surprise late frost.

USDA Zone Info for Monroe

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

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

Plants to Grow in Monroe

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