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.

It's possible to figure out when it's a good idea to plant indian cress by reviewing the USDA zone info for Idaho Falls.

Planting Calendar for Indian cress

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

It's not a good idea to plant indian cress until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant indian cress in Idaho 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 indian cress and expect a good harvest is probably August. If you wait any later than that and your indian cress may not have a chance to grow to maturity. Starting your indian cress indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

It's important to remember that USDA zone info for Idaho Falls is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Idaho Falls it frosts late in the year after April 15 be ready to cover your indian cress if you have a late frost.

USDA Zone Info for Idaho 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 Idaho Falls

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