One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant iresene in Itasca should be estimated by referring to the USDA zone info.

Planting Calendar for Iresene

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

It's a bad idea to plant iresene until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant iresene in Itasca is April. However, you really should wait until May 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. Any later than that and your iresene may not have a chance to fully mature. You can get started a little bit earlier by starting your iresene indoors.

Last Frost Date

In Itasca the average date of last frost happens on April 15. You can expect an average low temperature of -15°F in the coldest months of winter.

Keep in mind that USDA zone info for Itasca is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Itasca last frost occurs after April 15 be ready to protect your iresene if you have a surprise late frost.

USDA Zone Info for Itasca

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Itasca

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