When can I plant Flax in Zone 7b

One of the best tools that we have as gardeners to help us determine our gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

A way of getting a good idea when it's possible to plant flax is to look at the USDA zone info for Zone 7b.


Planting Calendar for Flax

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

You can plant flax just a bit earlier in the year because they do well in moderate cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant flax
Possibly ok, but a risky time to plant flax
Probably not a good time to plant flax

The earliest that you can plant flax in Zone 7b 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 grow to maturity. Starting your flax indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Zone 7b. We can expect an average low temperature of 5°F in the coldest months of winter.

Keep in mind that our actual date of last frost is an average because it is based on the USDA zone info for Zone 7b and it changes from year to year. Since half of the time in Zone 7b we get a frost after April 15 be ready to protect your flax in the event of a surprise late frost.

USDA Zone Info for Zone 7b

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 Low5°F
Highest Expected Low10°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 Zone 7b

You may be interested in our other planting guides for Zone 7b.