One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when it's possible to plant mimulus is to consult the USDA zone info for Garden Grove.

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 are not cold tolerant it is necessary to wait until after the last frost before you can plant them.

The earliest that you can plant mimulus in Garden Grove 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 grow to maturity. You can get started a little bit earlier by starting your mimulus indoors.

Last Frost Date

On average all chance of frost has passed is on January 31 in Garden Grove. In the coldest months of winter you can expect an average low temperature of 35°F.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Garden Grove and it changes from year to year. Half of the time in Garden Grove last frost occurs after January 31 so be sure to be ready to protect your mimulus if you have a surprise late frost.

USDA Zone Info for Garden Grove

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Garden Grove

You may be interested in your other planting guides for Garden Grove.