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 estimate when it's possible to plant monkey flower in Chino Hills 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.

Since monkey flower are not cold tolerant you must wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant monkey flower in Chino Hills 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 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 grow to maturity. If you are starting your monkey flower 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 Chino Hills. In the coldest months of winter you should expect an average low temperature of 30°F.

Always keep in mind that USDA zone info for Chino Hills is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Chino Hills there is a last frost after January 31 so make sure that you are prepared to cover your monkey flower if you have one of those late frosts.

USDA Zone Info for Chino Hills

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 Low	30°F
Highest Expected Low	35°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 Chino Hills

You may be interested in your other planting guides for Chino Hills.