When to Plant Borage in Red Bluff, CA

Before planting it is a good idea to find your USDA Zone info to figure out 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 earliest that you can plant borage in Red Bluff should be estimated by checking out the USDA zone info.


Planting Calendar for Borage

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

You can plant borage a bit earlier in the year because they do well in moderate cold.

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 Red Bluff is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant borage and expect a good harvest is probably October. Any later than that and your borage may not have a chance to grow to maturity. Starting your borage indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Red Bluff the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 25°F.

It's important to remember that USDA zone info for Red Bluff may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Red Bluff last frost occurs after February 15 be ready to cover your borage if you have one of those late frosts.

USDA Zone Info for Red Bluff

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°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 30°F.

Plants to Grow in Red Bluff

You may be interested in your other planting guides for Red Bluff.