The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The best time to plant impatiens in Murrysville can be figured out by checking out the USDA zone info.

Planting Calendar for Impatiens

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

Since impatiens are not cold tolerant you have to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant impatiens in Murrysville 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. If you are starting your impatiens indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Murrysville. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Murrysville is just an average the actual date of last frost changes from year to year. Half of the time in Murrysville you get surprised by a frost after April 15 so always be ready to cover your impatiens in the event of a late frost.

USDA Zone Info for Murrysville

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 Murrysville

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