The USDA Zone info is a great tool for gardeners to help us determine 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.

The first chance to plant clover in Oregon can be estimated by looking at the USDA zone info.

Planting Calendar for Clover

Frost tolerance for clover:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Clover are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can get them planted just a bit earlier than plants that are more sensitive to the cold.

The earliest that you can plant clover in Oregon 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 clover and expect a good harvest is probably August. If you wait any later than that and your clover may not have a chance to grow to maturity. Starting your clover indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Oregon. You should expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Oregon may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Oregon last frost occurs after April 15 be ready to cover your clover in the event of a late frost.

USDA Zone Info for Oregon

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Oregon

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