The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

One way of determining when to plant regal geranium is to consult the USDA zone info for Donaldsonville.

Planting Calendar for Regal Geranium

Frost tolerance for regal geranium:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant regal geranium a bit earlier in the year because they are barely cold tolerant.

The earliest that you can plant regal geranium in Donaldsonville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant regal geranium and expect a good harvest is probably September. You probably don't want to wait any later than that or else your regal geranium may not have a chance to really do well. Starting your regal geranium indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Donaldsonville the average date of last frost happens on February 15. In the coldest months of winter you should expect an average low temperature of 20°F.

Just be sure to remember that USDA zone info for Donaldsonville is an average and the actual date of last frost is different every year. Since half of the time in Donaldsonville you get a frost after February 15 be ready to protect your regal geranium in the event of a surprise late frost.

USDA Zone Info for Donaldsonville

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Donaldsonville

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