One of the first steps you take when you are determining 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.

In Battle Ground you can determine when it's possible to plant impatiens by referring to 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.

Impatiens do not do well in cold weather which means that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant impatiens in Battle Ground 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. Any later than that and your impatiens may not have a chance to fully mature. You can get started a little bit earlier by starting your impatiens indoors.

Last Frost Date

On average the last frost is on March 15 in Battle Ground. You should expect an average low temperature of 15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Battle Ground is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Battle Ground last frost occurs after March 15 be ready to protect your impatiens in the event of one of those late frosts.

USDA Zone Info for Battle Ground

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°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 20°F.

Plants to Grow in Battle Ground

You may be interested in your other planting guides for Battle Ground.