When can I plant Alternanthera in Zone 13b

One of the first steps we take when we are making a decision about our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You can determine when it's possible to plant alternanthera in Zone 13b by referring to the USDA zone info.


Planting Calendar for Alternanthera

Frost tolerance for alternanthera: Not tolerant of frost.
When you should plant them: After the last frost when the weather gets warmer.

Alternanthera do not do well in cold weather which tells us that you must wait until it warms up after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant alternanthera
Possibly ok, but a risky time to plant alternanthera
Probably not a good time to plant alternanthera

The earliest that you can plant alternanthera in Zone 13b is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant alternanthera and expect a good harvest is probably November. Any later than that and your alternanthera may not have a chance to really do well. You can get started a little bit earlier by starting your alternanthera indoors.

Last Frost Date

In Zone 13b it never frosts. In the coldest months of winter we should expect an average low temperature of 65°F.

It's important to remember that our actual date of last frost is just an average because it is based on the USDA zone info for Zone 13b and it is different every year. Since it never frosts in Zone 13b you do not have to be ready to protect your alternanthera in the event of a late frost.

USDA Zone Info for Zone 13b

Here is the info for USDA Zone 13b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low65°F
Highest Expected Low70°F

This means that on a really cold year, the coldest it will get is 65°F. On most years you should be prepared to experience lows near 70°F.

Plants to Grow in Zone 13b

You may be interested in our other planting guides for Zone 13b.