Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Donaldsonville you can estimate when it's the best time to plant amaranthus by referring to the USDA zone info.

Planting Calendar for Amaranthus

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

Since amaranthus are not cold tolerant it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

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

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

Last Frost Date

On average the last frost is on February 15 in Donaldsonville. You can expect an average low temperature of 20°F in the coldest months of winter.

Since the USDA zone info for Donaldsonville may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Donaldsonville it frosts late in the year after February 15 so make sure that you are ready to protect your amaranthus in the event of one of those late frosts.

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.