Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Hanover Park you can estimate when it's possible to plant flax by referring to the USDA zone info.

Planting Calendar for Flax

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

Flax are moderately cold tolerant which means that you can start planting them earlier than other frost tender plants.

The earliest that you can plant flax in Hanover Park 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 flax and expect a good harvest is probably September. If you wait any later than that and your flax may not have a chance to really do well. You can get started a couple of weeks earlier by starting your flax indoors.

Last Frost Date

The average date of last frost is April 15 in Hanover Park. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Hanover Park is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Hanover Park there is a last frost after April 15 be ready to protect your flax in the event of a surprise late frost.

USDA Zone Info for Hanover Park

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 Hanover Park

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