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.

A common way of determining when it's possible to plant alternanthera is to use the USDA zone info for Stuart.

Planting Calendar for Alternanthera

Frost tolerance for alternanthera:	Not tolerant of frost.
When to plant:	After the last frost.

Since alternanthera are not cold tolerant you have to wait until after the last frost has passed before you can plant them.

The earliest that you can plant alternanthera in Stuart 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 alternanthera and expect a good harvest is probably September. Any later than that and your alternanthera may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your alternanthera indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Stuart. In the coldest months of winter you should expect an average low temperature of 30°F.

Keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Stuart and it changes from year to year. Half of the time in Stuart you get a frost after January 31 so make sure that you are prepared to cover your alternanthera if you have a late frost.

USDA Zone Info for Stuart

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Stuart

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