When to Plant Beets in Flagstaff, AZ

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.

In Flagstaff you can estimate when it's a good idea to plant beets by looking at the USDA zone info.


Planting Calendar for Beets

Frost tolerance for beets: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Beets do well in moderate cold which tells us that you can get them planted earlier than other plants that might not handle the cold.

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

The earliest that you can plant beets in Flagstaff 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 beets and expect a good harvest is probably September. You probably don't want to wait any later than that or else your beets may not have a chance to really do well. If you are starting your beets indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Flagstaff the average date of last frost happens on April 15. You can expect an average low temperature of -10°F in the coldest months of winter.

Remember that USDA zone info for Flagstaff may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Flagstaff last frost occurs after April 15 so always be ready to cover your beets in the event of a late frost.

USDA Zone Info for Flagstaff

Here is the info for USDA Zone 6a.

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

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

Plants to Grow in Flagstaff

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