When to Plant Strawberries in Hartland, WI

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

One way of determining when it's possible to plant strawberries is to look at the USDA zone info for Hartland.


Planting Calendar for Strawberries

Frost tolerance for strawberries: Very tolerant of frost.
When to plant: Up to 7 weeks before last frost.

You can plant strawberries earlier in the year because they do well in cold.

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

The earliest that you can plant strawberries in Hartland 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 strawberries and expect a good harvest is probably September. If you wait any later than that and your strawberries may not have a chance to really do well. If you are starting your strawberries indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Hartland. It might get as low as -20°F during the coldest months of winter.

Since the USDA zone info for Hartland is an average the actual date of last frost is different every year. Since half of the time in Hartland it frosts late in the year after April 15 be ready to cover your strawberries in the event of a surprise late frost.

USDA Zone Info for Hartland

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

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

Plants to Grow in Hartland

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