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 should be able to determine when it's possible to plant lupine by reviewing the USDA zone info for Waite Park.

Planting Calendar for Lupine

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

Lupine can survive in mild cold which means that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant lupine in Waite Park 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. If you wait any later than that and your lupine may not have a chance to fully mature. You can get started a little bit earlier by starting your lupine indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Waite Park. In the coldest months of winter you should expect an average low temperature of -30°F.

Remember that USDA zone info for Waite Park may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Waite Park it frosts late in the year after May 15 be ready to cover your lupine in the event of a late frost.

USDA Zone Info for Waite Park

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Waite Park

You may be interested in your other planting guides for Waite Park.