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

The USDA zone info for Long Beach can be reviewed to figure out when it's possible to plant alternanthera.

Planting Calendar for Alternanthera

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

Alternanthera require warm weather which means that it's necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant alternanthera in Long Beach 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. If you wait any later than that and your alternanthera may not have a chance to fully mature. You can get started a little bit earlier by starting your alternanthera indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on January 31 in Long Beach. In the coldest months of winter you can expect an average low temperature of 35°F.

Remember that USDA zone info for Long Beach is an average and the actual date of last frost will vary from year to year. Since half of the time in Long Beach last frost occurs after January 31 be ready to cover your alternanthera if you have a surprise late frost.

USDA Zone Info for Long Beach

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Long Beach

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