The USDA Zone info is a great tool for gardeners to help us figure out 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.

It's a good idea to figure out when it's possible to plant amaranthus by reviewing the USDA zone info for Longboat Key.

Planting Calendar for Amaranthus

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

Amaranthus require warm weather which means that it's necessary to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant amaranthus in Longboat Key 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 amaranthus and expect a good harvest is probably September. Any later than that and your amaranthus may not have a chance to really do well. You can get started a couple of weeks earlier by starting your amaranthus indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Longboat Key. You can expect an average low temperature of 30°F in the coldest months of winter.

Remember that USDA zone info for Longboat Key is not always accurate and the actual date of last frost changes from year to year. Since half of the time in Longboat Key you get a frost after January 31 be ready to cover your amaranthus in the event of a late frost.

USDA Zone Info for Longboat Key

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 Longboat Key

You may be interested in your other planting guides for Longboat Key.