One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The earliest that you can plant nemesia in Birmingham should be estimated by reviewing the USDA zone info.

Planting Calendar for Nemesia

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

It's probably not a good idea to plant nemesia until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant nemesia in Birmingham 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 grow to maturity. Starting your nemesia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Birmingham 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.

Since the USDA zone info for Birmingham may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Birmingham you get surprised by a frost after April 15 be ready to cover your nemesia in the event of a late frost.

USDA Zone Info for Birmingham

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 Birmingham

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