One of the first steps you take when you are making a decision about 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 first chance to plant indian cress in Colville should be estimated by looking at the USDA zone info.

Planting Calendar for Indian cress

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

Since indian cress require warm weather you have to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant indian cress in Colville 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. You probably don't want to wait any later than that or else your indian cress may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your indian cress indoors.

Last Frost Date

The average date of last frost is April 15 in Colville. In the coldest months of winter you can expect an average low temperature of -10°F.

Keep in mind that USDA zone info for Colville is an average and the actual date of last frost will vary from year to year. Half of the time in Colville it frosts late in the year after April 15 so always be ready to cover your indian cress in the event of a late frost.

USDA Zone Info for Colville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Colville

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