When to Plant Black pepper in Hermiston, OR

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

A way of getting a good idea when it's possible to plant black pepper is to refer to the USDA zone info for Hermiston.


Planting Calendar for Black pepper

Frost tolerance for black pepper: Not tolerant of frost.
When to plant: After the last frost has passed.

Since black pepper are not cold tolerant it is important to wait until after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant black pepper
Possibly ok, but a risky time to plant black pepper
Probably not a good time to plant black pepper

The earliest that you can plant black pepper in Hermiston is April. However, you really should wait until May 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 August. You probably don't want to wait any later than that or else your black pepper may not have a chance to fully mature. You can get started a little bit earlier by starting your black pepper indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Hermiston. In the coldest months of winter you can expect an average low temperature of 0°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Hermiston and it is different every year. Since half of the time in Hermiston there is a last frost after April 15 be ready to protect your black pepper in the event of a late frost.

USDA Zone Info for Hermiston

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low0°F
Highest Expected Low5°F

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

Plants to Grow in Hermiston

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