One of the best tools that you have as gardeners to help us figure out 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 can estimate when it's the best time to plant nemesia in Irmo by checking out the USDA zone info.

Planting Calendar for Nemesia

Frost tolerance for nemesia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since nemesia do not do well in cold weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant nemesia in Irmo 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 nemesia and expect a good harvest is probably August. Any later than that and your nemesia may not have a chance to really do well. You can get started a couple of weeks earlier by starting your nemesia indoors.

Last Frost Date

On average the last frost has passed is on March 15 in Irmo. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Irmo is just an average the actual date of last frost changes from year to year. Half of the time in Irmo you get a frost after March 15 so make sure that you are ready to protect your nemesia if you have a surprise late frost.

USDA Zone Info for Irmo

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Irmo

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