The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Wasco you can estimate when it's a good idea to plant mecardonia by referring to the USDA zone info.

Planting Calendar for Mecardonia

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

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

The earliest that you can plant mecardonia in Wasco 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. Any later than that and your mecardonia may not have a chance to fully mature. Starting your mecardonia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

The average date of last frost is February 15 in Wasco. In the coldest months of winter you can expect an average low temperature of 20°F.

Always keep in mind that USDA zone info for Wasco is an average and the actual date of last frost will vary from year to year. Half of the time in Wasco there is a last frost after February 15 so make sure that you are prepared to cover your mecardonia if you have one of those late frosts.

USDA Zone Info for Wasco

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 Wasco

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