When to Plant Asparagus in New Richmond, WI

Before planting it is a good idea to find your USDA Zone info to determine 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.

The USDA zone info for New Richmond should be looked at to figure out when it's the best time to plant asparagus.


Planting Calendar for Asparagus

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

Since asparagus are very cold tolerant you can plant them earlier in the year than other frost tender plants.

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

The earliest that you can plant asparagus in New Richmond is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant asparagus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your asparagus may not have a chance to fully mature. You can get started a little bit earlier by starting your asparagus indoors.

Last Frost Date

On average the last frost has passed is on May 15 in New Richmond. You can expect an average low temperature of -25°F in the coldest months of winter.

Remember that USDA zone info for New Richmond is just an average and the actual date of last frost is different every year. Since half of the time in New Richmond you get a frost after May 15 be ready to cover your asparagus in the event of a surprise late frost.

USDA Zone Info for New Richmond

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in New Richmond

You may be interested in your other planting guides for New Richmond.