Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's a good idea to plant borage by looking at the USDA zone info for El Dorado.

Planting Calendar for Borage

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

Borage do well in moderate cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant borage in El Dorado 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 borage and expect a good harvest is probably September. Any later than that and your borage may not have a chance to grow to maturity. If you are starting your borage indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is March 15 in El Dorado. It might get as low as 10°F during the coldest months of winter.

It's important to remember that USDA zone info for El Dorado may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in El Dorado you get surprised by a frost after March 15 so be sure to be ready to cover your borage in the event of a late frost.

USDA Zone Info for El Dorado

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in El Dorado

You may be interested in your other planting guides for El Dorado.