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.

The USDA zone info for Claremont can be reviewed to figure out when to plant mimulus.

Planting Calendar for Mimulus

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

Since mimulus are not cold tolerant you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant mimulus in Claremont 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 mimulus and expect a good harvest is probably September. Any later than that and your mimulus may not have a chance to really do well. You can get started a little bit earlier by starting your mimulus indoors.

Last Frost Date

On average the last frost is on February 15 in Claremont. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Claremont is not always accurate the actual date of last frost is different every year. Half of the time in Claremont it frosts late in the year after February 15 so make sure that you are prepared to protect your mimulus if you have a late frost.

USDA Zone Info for Claremont

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 Claremont

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