When to Plant Nierembergia in Erlanger, KY

The USDA Zone info is a great tool for gardeners to help us estimate 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.

By using the USDA zone info for Erlanger it's a good idea to figure out when it's a good idea to plant nierembergia.


Planting Calendar for Nierembergia

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

Since nierembergia are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant nierembergia
Possibly ok, but a risky time to plant nierembergia
Probably not a good time to plant nierembergia

The earliest that you can plant nierembergia in Erlanger 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. If you wait any later than that and your nierembergia may not have a chance to grow to maturity. Starting your nierembergia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Erlanger the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -10°F.

Remember that USDA zone info for Erlanger is an average and the actual date of last frost will vary from year to year. Half of the time in Erlanger it frosts late in the year after April 15 so be sure to be ready to protect your nierembergia in the event of a late frost.

USDA Zone Info for Erlanger

Here is the info for USDA Zone 6a.

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

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Erlanger

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