One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can determine when it's a good idea to plant monkey flower in Pomona 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.

Monkey Flower require warm weather which means that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant monkey flower in Pomona 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. Any later than that and your monkey flower may not have a chance to really do well. Starting your monkey flower indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on January 31 in Pomona. It might get as low as 30°F during the coldest months of winter.

Since the USDA zone info for Pomona is not always accurate the actual date of last frost changes from year to year. Half of the time in Pomona there is a last frost after January 31 so always be ready to cover your monkey flower if you have one of those late frosts.

USDA Zone Info for Pomona

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 Pomona

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