One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Denver can be reffered to in order to figure out when to plant black pepper.

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.

You should not plant black pepper until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant black pepper in Denver 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 really do well. 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

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

Keep in mind that USDA zone info for Denver is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Denver it frosts late in the year after April 15 be ready to cover your black pepper in the event of a late frost.

USDA Zone Info for Denver

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Denver

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