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.

You can figure out when it's the best time to plant alternanthera in Neptune Beach by reviewing the USDA zone info.

Planting Calendar for Alternanthera

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

You really shouldn't plant alternanthera until after the last frost has passed because they require warm weather.

The earliest that you can plant alternanthera in Neptune Beach 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 alternanthera and expect a good harvest is probably September. If you wait any later than that and your alternanthera may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your alternanthera indoors.

Last Frost Date

The average date of last frost is February 15 in Neptune Beach. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Neptune Beach is not always accurate the actual date of last frost is different every year. Since half of the time in Neptune Beach there is a last frost after February 15 be ready to protect your alternanthera in the event of a late frost.

USDA Zone Info for Neptune Beach

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 Neptune Beach

You may be interested in your other planting guides for Neptune Beach.