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

You can determine when it's possible to plant argyranthemum in Zone 12a by checking out the USDA zone info.

Planting Calendar for Argyranthemum

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

Since argyranthemum are not cold tolerant you need to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant argyranthemum in Zone 12a is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant argyranthemum and expect a good harvest is probably November. If you wait any later than that and your argyranthemum may not have a chance to grow to maturity. If you are starting your argyranthemum indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Zone 12a it never frosts. In the coldest months of winter you should expect an average low temperature of 50°F.

Keep in mind that USDA zone info for Zone 12a is an average and the actual date of last frost will vary from year to year. Since it never frosts in Zone 12a you do not have to be ready to protect your argyranthemum if you have one of those late frosts.

USDA Zone Info for Zone 12a

Here is the info for USDA Zone 12a.

Average Date of Last Frost (spring)	Never
Average Date of First Frost (fall)	Never
Lowest Expected Low	50°F
Highest Expected Low	55°F

This means that on a really cold year, the coldest it will get is 50°F. On most years you should be prepared to experience lows near 55°F.

Plants to Grow in Zone 12a

You may be interested in your other planting guides for Zone 12a.