Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. 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 Albert Lea can be read to figure out when it's a good idea to plant iresene.

Planting Calendar for Iresene

Frost tolerance for iresene:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since iresene are not cold tolerant you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant iresene in Albert Lea is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant iresene and expect a good harvest is probably August. You probably don't want to wait any later than that or else your iresene may not have a chance to really do well. Starting your iresene indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Albert Lea. You can expect an average low temperature of -25°F in the coldest months of winter.

Always keep in mind that USDA zone info for Albert Lea is an average and the actual date of last frost will vary from year to year. Since half of the time in Albert Lea you get a frost after May 15 be ready to protect your iresene in the event of a surprise late frost.

USDA Zone Info for Albert Lea

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 Albert Lea

You may be interested in your other planting guides for Albert Lea.