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 best time to plant black pepper in Sonora can be estimated 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.

Black pepper require warm weather which means that it is important to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant black pepper in Sonora 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. Any later than that and your black pepper may not have a chance to really do well. Starting your black pepper indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on February 15 in Sonora. You should expect an average low temperature of 20°F in the coldest months of winter.

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Sonora and it will vary from year to year. Half of the time in Sonora you get surprised by a frost after February 15 so make sure that you are ready to cover your black pepper in the event of a late frost.

USDA Zone Info for Sonora

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Sonora

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