When to Plant Mustard in Emmaus, PA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to figure out when it's possible to plant mustard by referring to the USDA zone info for Emmaus.


Planting Calendar for Mustard

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

You can not plant mustard until after the last frost has passed because they require warm weather.

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 Emmaus 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 really do well. You can get started a couple of weeks earlier by starting your mustard indoors.

Last Frost Date

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

Since the USDA zone info for Emmaus may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Emmaus you get surprised by a frost after April 15 so just be sure to be ready to cover your mustard in the event of a late frost.

USDA Zone Info for Emmaus

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 Emmaus

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