Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to determine when it's the best time to plant trachelium by using the USDA zone info for Calabasas.

Planting Calendar for Trachelium

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

Since trachelium require warm weather it's necessary to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant trachelium 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 trachelium and expect a good harvest is probably September. If you wait any later than that and your trachelium may not have a chance to really do well. If you are starting your trachelium indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Calabasas the average date of last frost happens on January 31. It might get as low as 35°F during the coldest months of winter.

Keep in mind that USDA zone info for Calabasas is just an average and the actual date of last frost will vary from year to year. Half of the time in Calabasas you get surprised by a frost after January 31 so make sure that you are ready to protect your trachelium 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.