Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Washington you can determine when you can 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 all chance of frost has passed.

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

The earliest that you can plant mecardonia in Washington is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant mecardonia and expect a good harvest is probably August. If you wait any later than that and your mecardonia may not have a chance to grow to maturity. Starting your mecardonia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Washington. In the coldest months of winter you should expect an average low temperature of 10°F.

Just be sure to remember that USDA zone info for Washington is not always accurate and the actual date of last frost is different every year. Half of the time in Washington you get surprised by a frost after March 15 so make sure that you are prepared to protect your mecardonia in the event of a surprise late frost.

USDA Zone Info for Washington

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Washington

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