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

In American Canyon you can estimate when you can plant monkey flower by using 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.

Monkey Flower require warm weather which means that it's necessary to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant monkey flower in American Canyon 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. If you wait any later than that and your monkey flower may not have a chance to fully mature. 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 February 15 in American Canyon. In the coldest months of winter you should expect an average low temperature of 25°F.

Since the USDA zone info for American Canyon may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in American Canyon you get surprised by a frost after February 15 be ready to protect your monkey flower in the event of a late frost.

USDA Zone Info for American Canyon

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 American Canyon

You may be interested in your other planting guides for American Canyon.