One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of estimating when you can plant mecardonia is to use the USDA zone info for Colusa.

Planting Calendar for Mecardonia

Frost tolerance for mecardonia:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably not a good idea to plant mecardonia until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant mecardonia in Colusa 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. You probably don't want to wait any later than that or else your mecardonia may not have a chance to fully mature. Starting your mecardonia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Colusa. It might get as low as 25°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Colusa is just an average and the actual date of last frost will vary from year to year. Since half of the time in Colusa you get a frost after February 15 be ready to cover your mecardonia in the event of one of those late frosts.

USDA Zone Info for Colusa

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 Colusa

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