One of the best tools that you have as gardeners to help us figure out 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.

You can estimate when to plant black pepper in Iowa Falls by looking at 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 tells us that you must wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant black pepper in Iowa Falls 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. If you wait 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

The average date of last frost is April 15 in Iowa Falls. You should expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Iowa Falls is just an average the actual date of last frost is different every year. Half of the time in Iowa Falls it frosts late in the year after April 15 so be sure to be ready to protect your black pepper in the event of one of those late frosts.

USDA Zone Info for Iowa Falls

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Iowa Falls

You may be interested in your other planting guides for Iowa Falls.