One of the first steps you take when you are estimating your gardening schedule is find your 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.

The USDA zone info for Duluth should be reviewed to figure out when it's possible to plant axilflower.

Planting Calendar for Axilflower

Frost tolerance for axilflower:	Not tolerant of frost.
When to plant:	After the last frost.

Since axilflower are not cold tolerant it is important to wait until after the last frost has passed before you can plant them.

The earliest that you can plant axilflower in Duluth 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 axilflower and expect a good harvest is probably August. You probably don't want to wait any later than that or else your axilflower may not have a chance to really do well. You can get started a few weeks earlier by starting your axilflower indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Duluth. It might get as low as -30°F during the coldest months of winter.

Remember that USDA zone info for Duluth is an average and the actual date of last frost will vary from year to year. Since half of the time in Duluth there is a last frost after May 15 be ready to protect your axilflower in the event of a surprise late frost.

USDA Zone Info for Duluth

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 Duluth

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