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.

The USDA zone info for North Vernon should be reviewed to determine when it's possible to plant impatiens.

Planting Calendar for Impatiens

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

Since impatiens require warm weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant impatiens in North Vernon 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. Starting your impatiens indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in North Vernon. It might get as low as -10°F during the coldest months of winter.

Keep in mind that USDA zone info for North Vernon is an average and the actual date of last frost is different every year. Since half of the time in North Vernon you get surprised by a frost after April 15 be ready to protect your impatiens if you have a surprise late frost.

USDA Zone Info for North Vernon

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 North Vernon

You may be interested in your other planting guides for North Vernon.