One of the first steps you take when you are estimating 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 Santa Barbara you can determine when you can plant argyranthemum by reviewing the USDA zone info.

Planting Calendar for Argyranthemum

Frost tolerance for argyranthemum:	Not tolerant of frost.
When to plant:	After the last frost has passed.

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

The earliest that you can plant argyranthemum in Santa Barbara 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 argyranthemum and expect a good harvest is probably September. If you wait any later than that and your argyranthemum may not have a chance to fully mature. You can get started a few weeks earlier by starting your argyranthemum indoors.

Last Frost Date

On average the last frost is on January 31 in Santa Barbara. It might get as low as 30°F during the coldest months of winter.

Keep in mind that USDA zone info for Santa Barbara is not always accurate and the actual date of last frost changes from year to year. Half of the time in Santa Barbara there is a last frost after January 31 so always be ready to cover your argyranthemum if you have a late frost.

USDA Zone Info for Santa Barbara

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 Santa Barbara

You may be interested in your other planting guides for Santa Barbara.