The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to estimate when it's the best time to plant nierembergia by checking out the USDA zone info for Saranac Lake.

Planting Calendar for Nierembergia

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

Nierembergia do not do well in cold weather which tells us that you really should wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant nierembergia in Saranac Lake is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant nierembergia and expect a good harvest is probably August. Any later than that and your nierembergia may not have a chance to really do well. If you are starting your nierembergia indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

In Saranac Lake the average date of last frost happens on May 15. You should expect an average low temperature of -30°F in the coldest months of winter.

Always keep in mind that USDA zone info for Saranac Lake may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Saranac Lake you get surprised by a frost after May 15 be ready to protect your nierembergia if you have a late frost.

USDA Zone Info for Saranac Lake

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

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

Plants to Grow in Saranac Lake

You may be interested in your other planting guides for Saranac Lake.