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 using the USDA zone info for Hemet you will be able to figure out when it's possible to plant argyranthemum.

Planting Calendar for Argyranthemum

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

You really shouldn't plant argyranthemum until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant argyranthemum in Hemet 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 fully mature. You can get started a couple of weeks earlier by starting your argyranthemum indoors.

Last Frost Date

On average the last frost is on February 15 in Hemet. In the coldest months of winter you should expect an average low temperature of 20°F.

Since the USDA zone info for Hemet is an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Hemet there is a last frost after February 15 be ready to cover your argyranthemum if you have one of those late frosts.

USDA Zone Info for Hemet

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Hemet

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