One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. 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 Lincoln can be estimated by referring to 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 really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant impatiens in Lincoln is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant impatiens and expect a good harvest is probably September. Any later than that and your impatiens may not have a chance to really do well. You can get started a couple of weeks earlier by starting your impatiens indoors.

Last Frost Date

On average all chance of frost has passed is on February 15 in Lincoln. In the coldest months of winter you can expect an average low temperature of 25°F.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Lincoln and it changes from year to year. Half of the time in Lincoln last frost occurs after February 15 so make sure that you are prepared to protect your impatiens in the event of a late frost.

USDA Zone Info for Lincoln

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Lincoln

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