One of the first steps you take when you are determining 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.

You can determine when to plant monkey flower in San Bernardino by checking out the USDA zone info.

Planting Calendar for Monkey Flower

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

It's a bad idea to plant monkey flower until after the last frost has passed because they require warm weather.

The earliest that you can plant monkey flower in San Bernardino 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 monkey flower and expect a good harvest is probably September. You probably don't want to wait any later than that or else your monkey flower may not have a chance to fully mature. You can get started a little bit earlier by starting your monkey flower indoors.

Last Frost Date

In San Bernardino the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that USDA zone info for San Bernardino is not always accurate and the actual date of last frost changes from year to year. Half of the time in San Bernardino there is a last frost after February 15 so always be ready to protect your monkey flower in the event of one of those late frosts.

USDA Zone Info for San Bernardino

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 Low	25°F
Highest Expected Low	30°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 San Bernardino

You may be interested in your other planting guides for San Bernardino.