The USDA Zone info is a great tool for gardeners to help us determine your gardening 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 Jackson should be looked at to determine when you can plant flax.

Planting Calendar for Flax

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

Since flax do well in moderate cold you can plant them a little bit earlier in the year than more sensitive plants.

The earliest that you can plant flax in Jackson 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 fully mature. Starting your flax indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Jackson. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for Jackson is an average the actual date of last frost is different every year. Half of the time in Jackson you get a frost after April 15 so just be sure to be ready to protect your flax if you have a late frost.

USDA Zone Info for Jackson

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Jackson

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