Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 figure out when to plant nierembergia by referring to the USDA zone info for Oakwood.

Planting Calendar for Nierembergia

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

Nierembergia require warm weather which tells us that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant nierembergia in Oakwood 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. If you are starting your nierembergia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Oakwood. In the coldest months of winter you can expect an average low temperature of 5°F.

Since the USDA zone info for Oakwood is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Oakwood there is a last frost after April 15 be ready to protect your nierembergia in the event of a late frost.

USDA Zone Info for Oakwood

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 Oakwood

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