One of the best tools that you have as gardeners to help us figure out 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.

The best time to plant mecardonia in Oregon City can 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 has passed.

Since mecardonia require warm weather you have to wait until after the last frost before you can plant them.

The earliest that you can plant mecardonia in Oregon City 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. Any later than that and your mecardonia may not have a chance to really do well. 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 March 15 in Oregon City. In the coldest months of winter you can expect an average low temperature of 15°F.

Since the USDA zone info for Oregon City is not always accurate the actual date of last frost is different every year. Since half of the time in Oregon City you get a frost after March 15 be ready to cover your mecardonia if you have a late frost.

USDA Zone Info for Oregon City

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 Oregon City

You may be interested in your other planting guides for Oregon City.