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 first chance to plant alternanthera in Calabasas should be determined by referring to the USDA zone info.

Planting Calendar for Alternanthera

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

Alternanthera require warm weather which tells us that you need to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant alternanthera in Calabasas 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 couple of weeks earlier by starting your alternanthera indoors.

Last Frost Date

In Calabasas the average date of last frost happens on January 31. You should expect an average low temperature of 35°F in the coldest months of winter.

Remember that USDA zone info for Calabasas is just an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Calabasas last frost occurs after January 31 so be sure to be ready to cover your alternanthera if you have one of those late frosts.

USDA Zone Info for Calabasas

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 Calabasas

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