One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. 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 Valley Center should be read to estimate when it's a good idea 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 can survive in mild cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant borage in Valley Center 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 fully mature. Starting your borage indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Valley Center. You should expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for Valley Center is just an average and the actual date of last frost is different every year. Since half of the time in Valley Center you get a frost after April 15 be ready to protect your borage in the event of a late frost.

USDA Zone Info for Valley Center

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Valley Center

You may be interested in your other planting guides for Valley Center.