When to Plant Mimulus in Loma Linda, CA

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Loma Linda you can estimate when it's possible to 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.

It's probably not a good idea to plant mimulus until after the last frost has passed because they do not do well in cold weather.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant mimulus
Possibly ok, but a risky time to plant mimulus
Probably not a good time to plant mimulus

The earliest that you can plant mimulus in Loma Linda 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. You probably don't want to wait any later than that or else your mimulus may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your mimulus indoors.

Last Frost Date

The average date of last frost is February 15 in Loma Linda. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for Loma Linda is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Loma Linda it frosts late in the year after February 15 be ready to cover your mimulus if you have a surprise late frost.

USDA Zone Info for Loma Linda

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 Low25°F
Highest Expected Low30°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 Loma Linda

You may be interested in your other planting guides for Loma Linda.