One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant mecardonia in Gresham should be determined 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 are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

The earliest that you can plant mecardonia in Gresham 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. 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 little bit earlier by starting your mecardonia indoors.

Last Frost Date

On average the last frost is on March 15 in Gresham. You can expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Gresham is just an average the actual date of last frost changes from year to year. Half of the time in Gresham last frost occurs after March 15 so be sure to be ready to cover your mecardonia if you have a surprise late frost.

USDA Zone Info for Gresham

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	15°F
Highest Expected Low	20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Gresham

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