One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to determine when it's the best time to plant flax by referring to the USDA zone info for Plattsburgh.

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 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 Plattsburgh 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. You probably don't want to wait any later than that or else your flax may not have a chance to grow to maturity. You can get started a little bit earlier by starting your flax indoors.

Last Frost Date

The average date of last frost is April 15 in Plattsburgh. You should expect an average low temperature of -20°F in the coldest months of winter.

It's important to remember that USDA zone info for Plattsburgh is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Plattsburgh 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 Plattsburgh

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 Plattsburgh

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