When to Plant Scaevola in Molalla, OR

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 scaevola in Molalla should be estimated by looking at the USDA zone info.


Planting Calendar for Scaevola

Frost tolerance for scaevola: Not tolerant of frost.
When to plant: After all chance of frost has passed.

Scaevola require warm weather which tells us that it is important to wait until it warms up after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant scaevola
Possibly ok, but a risky time to plant scaevola
Probably not a good time to plant scaevola

The earliest that you can plant scaevola 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 scaevola and expect a good harvest is probably August. You probably don't want to wait any later than that or else your scaevola may not have a chance to fully mature. Starting your scaevola indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Molalla the average date of last frost happens on March 15. You should expect an average low temperature of 15°F in the coldest months of winter.

Remember that USDA zone info for Molalla is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Molalla you get surprised by a frost after March 15 be ready to cover your scaevola in the event of one of those late frosts.

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 Low15°F
Highest Expected Low20°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.