One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

A common way of estimating when you can plant achimenes is to refer to the USDA zone info for Rainbow City.

Planting Calendar for Achimenes

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

It's not a good idea to plant achimenes until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant achimenes in Rainbow City 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 achimenes and expect a good harvest is probably August. You probably don't want to wait any later than that or else your achimenes may not have a chance to really do well. You can get started a couple of weeks earlier by starting your achimenes indoors.

Last Frost Date

The average date of last frost is April 15 in Rainbow City. You can expect an average low temperature of 5°F in the coldest months of winter.

Always keep in mind that USDA zone info for Rainbow City is an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in Rainbow City you get surprised by a frost after April 15 be ready to cover your achimenes in the event of a surprise late frost.

USDA Zone Info for Rainbow City

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 Rainbow City

You may be interested in your other planting guides for Rainbow City.