One of the first steps you take when you are figuring out your gardening schedule is find your 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.

In Healdsburg you can estimate when you can plant black pepper by using the USDA zone info.

Planting Calendar for Black pepper

Frost tolerance for black pepper:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since black pepper are not cold tolerant it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant black pepper in Healdsburg 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 black pepper and expect a good harvest is probably September. You probably don't want to wait any later than that or else your black pepper may not have a chance to fully mature. If you are starting your black pepper 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 February 15 in Healdsburg. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Healdsburg is an average and the actual date of last frost is different every year. Half of the time in Healdsburg there is a last frost after February 15 so just be sure to be ready to cover your black pepper in the event of a surprise late frost.

USDA Zone Info for Healdsburg

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 Low	25°F
Highest Expected Low	30°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 Healdsburg

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