Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of determining when it's possible to plant impatiens is to check out the USDA zone info for Malden.

Planting Calendar for Impatiens

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

Impatiens are not cold tolerant which tells us that you must wait until it warms up after the last frost before you can plant them.

The earliest that you can plant impatiens in Malden 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 really do well. Starting your impatiens indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Malden. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Malden is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Malden last frost occurs after April 15 so always be ready to protect your impatiens in the event of one of those late frosts.

USDA Zone Info for Malden

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 Malden

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