The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Hickory Hills you can determine when it's a good idea to plant flax by checking out 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.

You can plant flax just a bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant flax in Hickory Hills 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. Any later than that and your flax may not have a chance to grow to maturity. 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 Hickory Hills. In the coldest months of winter you should expect an average low temperature of -15°F.

Since the USDA zone info for Hickory Hills may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Hickory Hills there is a last frost after April 15 be ready to cover your flax if you have one of those late frosts.

USDA Zone Info for Hickory Hills

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 Hickory Hills

You may be interested in your other planting guides for Hickory Hills.