One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You will be able to estimate when it's possible to plant nierembergia by reviewing the USDA zone info for Laconia.

Planting Calendar for Nierembergia

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

Since nierembergia do not do well in cold weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant nierembergia in Laconia 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. Starting your nierembergia indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Laconia. It might get as low as -15°F during the coldest months of winter.

Remember that USDA zone info for Laconia is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Laconia it frosts late in the year after April 15 so make sure that you are ready to protect your nierembergia if you have a surprise late frost.

USDA Zone Info for Laconia

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 Laconia

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