When to Plant Borage in Avon, CO

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Avon should be reviewed to estimate when it's possible to plant borage.


Planting Calendar for Borage

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

Borage are one of those plants that can tolerate a little bit of cold weather which means that you can get them planted earlier than more sensitive plants.

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

The earliest that you can plant borage in Avon is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant borage and expect a good harvest is probably August. If you wait any later than that and your borage may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your borage indoors.

Last Frost Date

On average the last frost has passed is on May 15 in Avon. It might get as low as -25°F during the coldest months of winter.

Keep in mind that USDA zone info for Avon is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Avon last frost occurs after May 15 so always be ready to cover your borage in the event of one of those late frosts.

USDA Zone Info for Avon

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-25°F
Highest Expected Low-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Avon

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