When to Plant Mimulus in Oceanside, CA

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant mimulus in Oceanside should be estimated by reviewing the USDA zone info.


Planting Calendar for Mimulus

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

You can not plant mimulus until after the last frost when the weather gets warmer because they are not cold tolerant.

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 Oceanside 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. If you wait any later than that and your mimulus may not have a chance to really do well. If you are starting your mimulus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Oceanside is not always accurate the actual date of last frost will vary from year to year. Half of the time in Oceanside there is a last frost after January 31 so always be ready to cover your mimulus in the event of one of those late frosts.

USDA Zone Info for Oceanside

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 Low30°F
Highest Expected Low35°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 Oceanside

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