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.

By checking out the USDA zone info for Cloverdale it's possible to determine when it's a good idea to plant argyranthemum.

Planting Calendar for Argyranthemum

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

Since argyranthemum require warm weather it's necessary to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant argyranthemum in Cloverdale is March. However, you really should wait until April 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. 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 February 15 in Cloverdale. In the coldest months of winter you can expect an average low temperature of 25°F.

Just be sure to remember that USDA zone info for Cloverdale is an average and the actual date of last frost will vary from year to year. Since half of the time in Cloverdale you get surprised by a frost after February 15 be ready to protect your argyranthemum in the event of one of those late frosts.

USDA Zone Info for Cloverdale

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Cloverdale

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