When to Plant Mustard in Moses Lake, WA

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

One way of estimating when it's possible to plant mustard is to consult the USDA zone info for Moses Lake.


Planting Calendar for Mustard

Frost tolerance for mustard: Not tolerant of frost.
When to plant: After all chance of frost has passed.

You really shouldn't plant mustard until after the last frost because they are not cold tolerant.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant mustard
Possibly ok, but a risky time to plant mustard
Probably not a good time to plant mustard

The earliest that you can plant mustard in Moses Lake is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant mustard and expect a good harvest is probably August. If you wait any later than that and your mustard may not have a chance to grow to maturity. If you are starting your mustard indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Moses Lake the average date of last frost happens on April 15. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Moses Lake is just an average the actual date of last frost will vary from year to year. Half of the time in Moses Lake it frosts late in the year after April 15 so just be sure to be ready to protect your mustard if you have a late frost.

USDA Zone Info for Moses Lake

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 Low0°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 Moses Lake

You may be interested in your other planting guides for Moses Lake.