One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Calabasas you can figure out when to plant bidens by reviewing the USDA zone info.

Planting Calendar for Bidens

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

Bidens are not cold tolerant which means that you have to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant bidens 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 bidens and expect a good harvest is probably September. You probably don't want to wait any later than that or else your bidens may not have a chance to grow to maturity. You can get started a little bit earlier by starting your bidens indoors.

Last Frost Date

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

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Calabasas and it is different every year. Half of the time in Calabasas you get surprised by a frost after January 31 so be sure to be ready to protect your bidens if you have a surprise late frost.

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.