When to Plant Flax in Wellington, CO

Before planting it is a good idea to find your USDA Zone info to determine your garden 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 Wellington should be used to figure out when to plant flax.


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 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 Wellington 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

The average date of last frost is April 15 in Wellington. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Wellington is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Wellington it frosts late in the year after April 15 so make sure that you are prepared to cover your flax in the event of a late frost.

USDA Zone Info for Wellington

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Wellington

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