Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You should be able to estimate when you can plant mimulus by using the USDA zone info for Presidio.

Planting Calendar for Mimulus

Frost tolerance for mimulus:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Since mimulus do not do well in cold weather you really should wait until after the last frost before you can plant them.

The earliest that you can plant mimulus in Presidio 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 fully mature. Starting your mimulus indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Presidio. It might get as low as 20°F during the coldest months of winter.

Keep in mind that USDA zone info for Presidio may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Presidio you get surprised by a frost after February 15 so make sure that you are prepared to cover your mimulus in the event of one of those late frosts.

USDA Zone Info for Presidio

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 Presidio

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