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.

A way of figuring out when to plant nierembergia is to look at the USDA zone info for New Paltz.

Planting Calendar for Nierembergia

Frost tolerance for nierembergia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Since nierembergia are not cold tolerant you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant nierembergia in New Paltz 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 nierembergia and expect a good harvest is probably August. Any later than that and your nierembergia may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your nierembergia indoors.

Last Frost Date

On average the last frost has passed is on April 15 in New Paltz. In the coldest months of winter you should expect an average low temperature of -15°F.

Just be sure to remember that USDA zone info for New Paltz is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in New Paltz last frost occurs after April 15 so always be ready to protect your nierembergia in the event of one of those late frosts.

USDA Zone Info for New Paltz

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in New Paltz

You may be interested in your other planting guides for New Paltz.