When to Plant Asparagus peas in Thief River Falls, MN

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Thief River Falls can be reffered to in order to determine when it's a good idea to plant asparagus peas.


Planting Calendar for Asparagus peas

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

Since asparagus peas do well in moderate cold you can plant them a little earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant asparagus peas in Thief River Falls 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 peas and expect a good harvest is probably August. You probably don't want to wait any later than that or else your asparagus peas may not have a chance to really do well. You can get started a few weeks earlier by starting your asparagus peas indoors.

Last Frost Date

In Thief River Falls the average date of last frost happens on May 15. It might get as low as -35°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Thief River Falls and it changes from year to year. Since half of the time in Thief River Falls it frosts late in the year after May 15 be ready to cover your asparagus peas if you have a surprise late frost.

USDA Zone Info for Thief River Falls

Here is the info for USDA Zone 3b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-35°F
Highest Expected Low-30°F

This means that on a really cold year, the coldest it will get is -35°F. On most years you should be prepared to experience lows near -30°F.

Plants to Grow in Thief River Falls

You may be interested in your other planting guides for Thief River Falls.