One of the best tools that you have as gardeners to help us determine your 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 your area.

In Loudon you can estimate when you can plant flax by using 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.

Since flax do well in moderate cold you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant flax in Loudon 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 fully mature. You can get started a few weeks earlier by starting your flax indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Loudon. It might get as low as 0°F during the coldest months of winter.

Remember that USDA zone info for Loudon is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Loudon you get surprised by a frost after April 15 be ready to cover your flax if you have one of those late frosts.

USDA Zone Info for Loudon

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Loudon

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