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

The first opportunity to plant flax in Granite Falls should be figured out by looking at 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 a little bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant flax in Granite Falls 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. Starting your flax indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Granite Falls. In the coldest months of winter you should expect an average low temperature of 5°F.

Since the USDA zone info for Granite Falls is just an average the actual date of last frost changes from year to year. Since half of the time in Granite Falls there is a last frost after April 15 be ready to cover your flax in the event of a surprise late frost.

USDA Zone Info for Granite Falls

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Granite Falls

You may be interested in your other planting guides for Granite Falls.