One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Sierra Madre you can estimate when you can plant mimulus by reviewing the USDA zone info.

Planting Calendar for Mimulus

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

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

The earliest that you can plant mimulus in Sierra Madre is February. However, you really should wait until March 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 grow to maturity. You can get started a couple of weeks earlier by starting your mimulus indoors.

Last Frost Date

The average date of last frost is January 31 in Sierra Madre. It might get as low as 30°F during the coldest months of winter.

Always keep in mind that USDA zone info for Sierra Madre is just an average and the actual date of last frost changes from year to year. Half of the time in Sierra Madre you get surprised by a frost after January 31 so make sure that you are ready to protect your mimulus in the event of a late frost.

USDA Zone Info for Sierra Madre

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in Sierra Madre

You may be interested in your other planting guides for Sierra Madre.