One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to figure out when you can plant lupine by referring to the USDA zone info for Menomonie.

Planting Calendar for Lupine

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

Since lupine are one of those plants that can tolerate a little bit of cold weather you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant lupine in Menomonie 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 lupine and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lupine may not have a chance to grow to maturity. Starting your lupine indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is May 15 in Menomonie. It might get as low as -25°F during the coldest months of winter.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Menomonie and it is different every year. Since half of the time in Menomonie you get surprised by a frost after May 15 be ready to cover your lupine if you have a surprise late frost.

USDA Zone Info for Menomonie

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 Menomonie

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