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 can determine when you can plant lupine in Algona by checking out the USDA zone info.

Planting Calendar for Lupine

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

Lupine tend to make it 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 Algona 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 lupine and expect a good harvest is probably September. 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

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

Since the USDA zone info for Algona is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Algona last frost occurs after April 15 so be sure to be ready to cover your lupine if you have a surprise late frost.

USDA Zone Info for Algona

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 Algona

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