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

In Selah you can figure out when to plant impatiens by using the USDA zone info.

Planting Calendar for Impatiens

Frost tolerance for impatiens:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

You really shouldn't plant impatiens until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant impatiens in Selah 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 impatiens and expect a good harvest is probably August. If you wait any later than that and your impatiens may not have a chance to fully mature. Starting your impatiens indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Selah. You can expect an average low temperature of -5°F in the coldest months of winter.

Keep in mind that USDA zone info for Selah is an average and the actual date of last frost changes from year to year. Since half of the time in Selah last frost occurs after April 15 be ready to protect your impatiens if you have a surprise late frost.

USDA Zone Info for Selah

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

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

Plants to Grow in Selah

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