The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Molalla should be read to determine when it's a good idea to plant evolvulus.

Planting Calendar for Evolvulus

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

Evolvulus are not cold tolerant which tells us that it is important to wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant evolvulus in Molalla 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. Any later than that and your evolvulus may not have a chance to really do well. You can get started a few weeks earlier by starting your evolvulus indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Molalla. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Molalla is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Molalla it frosts late in the year after March 15 be ready to cover your evolvulus in the event of a late frost.

USDA Zone Info for Molalla

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 Molalla

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