Before planting it is a good idea to find your USDA Zone info to estimate 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.

You should be able to determine when it's possible to plant nierembergia by using the USDA zone info for Van Buren.

Planting Calendar for Nierembergia

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

Since nierembergia require warm weather you must wait until after the last frost before you can plant them.

The earliest that you can plant nierembergia in Van Buren 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. You probably don't want to wait any later than that or else your nierembergia may not have a chance to grow to maturity. Starting your nierembergia indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost is on April 15 in Van Buren. You should expect an average low temperature of 5°F in the coldest months of winter.

It's important to remember that USDA zone info for Van Buren is an average and the actual date of last frost will vary from year to year. Half of the time in Van Buren you get surprised by a frost after April 15 so just be sure to be ready to protect your nierembergia if you have one of those late frosts.

USDA Zone Info for Van Buren

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Van Buren

You may be interested in your other planting guides for Van Buren.