Before planting it is a good idea to find your USDA Zone info to estimate your garden 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 to plant mecardonia by looking at the USDA zone info.

Planting Calendar for Mecardonia

Frost tolerance for mecardonia:	Not tolerant of frost.
When to plant:	After the last frost.

Since mecardonia do not do well in cold weather you need to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant mecardonia 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 mecardonia and expect a good harvest is probably September. If you wait any later than that and your mecardonia may not have a chance to really do well. You can get started a little bit earlier by starting your mecardonia indoors.

Last Frost Date

The average date of last frost is February 15 in American Canyon. In the coldest months of winter you should expect an average low temperature of 25°F.

Keep in mind that USDA zone info for American Canyon is just an average and the actual date of last frost can change quite a bit from year to year. Since half of the time in American Canyon you get surprised by a frost after February 15 be ready to cover your mecardonia if you have one of those late frosts.

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.