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When to Plant Garden cress in Port Washington, WI

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when it's possible to plant garden cress in Port Washington by using the USDA zone info.


Planting Calendar for Garden cress

Frost tolerance for garden cress: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Since garden cress are not cold tolerant you must wait until after the last frost before you can plant them.

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

The earliest that you can plant garden cress in Port Washington 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 garden cress and expect a good harvest is probably August. Any later than that and your garden cress may not have a chance to fully mature. If you are starting your garden cress indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Port Washington. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Port Washington may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Port Washington last frost occurs after April 15 so just be sure to be ready to protect your garden cress in the event of one of those late frosts.

USDA Zone Info for Port Washington

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°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 -10°F.

Plants to Grow in Port Washington

You may be interested in your other planting guides for Port Washington.