Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to estimate when it's the best time to plant evolvulus by looking at the USDA zone info for Sutherlin.

Planting Calendar for Evolvulus

Frost tolerance for evolvulus:	Not tolerant of frost.
When to plant:	After the last frost.

It's probably a bad idea to plant evolvulus until after the last frost has passed because they require warm weather.

The earliest that you can plant evolvulus in Sutherlin 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 evolvulus and expect a good harvest is probably August. You probably don't want to wait any later than that or else your evolvulus may not have a chance to really do well. If you are starting your evolvulus indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average all chance of frost has passed is on March 15 in Sutherlin. You should expect an average low temperature of 15°F in the coldest months of winter.

Keep in mind that USDA zone info for Sutherlin is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Sutherlin last frost occurs after March 15 so just be sure to be ready to cover your evolvulus if you have a late frost.

USDA Zone Info for Sutherlin

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 Sutherlin

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