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.

The first chance to plant mecardonia in Ukiah should be figured out 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 when the weather gets warmer.

It's probably not a good idea to plant mecardonia until after the last frost has passed because they require warm weather.

The earliest that you can plant mecardonia in Ukiah 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. You can get started a few weeks earlier by starting your mecardonia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Ukiah. In the coldest months of winter you can expect an average low temperature of 20°F.

Since the USDA zone info for Ukiah is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Ukiah it frosts late in the year after February 15 so make sure that you are ready to protect your mecardonia if you have one of those late frosts.

USDA Zone Info for Ukiah

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Ukiah

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