Before planting it is a good idea to find your USDA Zone info to estimate 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.

One way of figuring out when it's the best time to plant argyranthemum is to look at the USDA zone info for Indian Wells.

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 it is important to wait until after the last frost before you can plant them.

The earliest that you can plant argyranthemum in Indian Wells 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. You probably don't want to wait any later than that or else your argyranthemum may not have a chance to grow to maturity. You can get started a little bit earlier by starting your argyranthemum indoors.

Last Frost Date

On average the last frost is on February 15 in Indian Wells. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Indian Wells may not be accurate from year to year the actual date of last frost is different every year. Half of the time in Indian Wells there is a last frost after February 15 so make sure that you are ready to cover your argyranthemum if you have a surprise late frost.

USDA Zone Info for Indian Wells

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 Indian Wells

You may be interested in your other planting guides for Indian Wells.