When to Plant Foxglove in Port Washington, WI

Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's possible to plant foxglove in Port Washington by looking at the USDA zone info.


Planting Calendar for Foxglove

Frost tolerance for foxglove: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

You can plant foxglove a little bit earlier in the year because they are moderately cold tolerant.

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

The earliest that you can plant foxglove in Port Washington 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 foxglove and expect a good harvest is probably September. Any later than that and your foxglove may not have a chance to really do well. If you are starting your foxglove indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Port Washington. In the coldest months of winter you can expect an average low temperature of -15°F.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Port Washington and it can change quite a bit from year to year. Half of the time in Port Washington you get surprised by a frost after April 15 so make sure that you are ready to protect your foxglove if you have a surprise late frost.

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.