One of the best tools that you have as gardeners to help us estimate 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 first opportunity to plant borage in Clearwater can be estimated by referring to 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.

Borage are moderately cold tolerant which means that you can plant them a little bit earlier than other frost tender plants.

The earliest that you can plant borage in Clearwater 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. If you wait 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is January 31 in Clearwater. You should expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Clearwater is not always accurate the actual date of last frost changes from year to year. Half of the time in Clearwater you get surprised by a frost after January 31 so be sure to be ready to cover your borage if you have one of those late frosts.

USDA Zone Info for Clearwater

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Clearwater

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