When to Plant Scaevola in Silverton, OR

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. 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 scaevola in Silverton should be determined by using the USDA zone info.


Planting Calendar for Scaevola

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

Since scaevola do not do well in cold weather you have to wait until after all chance of 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 Silverton 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 really do well. You can get started a little bit earlier by starting your scaevola indoors.

Last Frost Date

On average all chance of frost has passed is on March 15 in Silverton. It might get as low as 10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Silverton may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Silverton last frost occurs after March 15 so make sure that you are prepared to protect your scaevola if you have a late frost.

USDA Zone Info for Silverton

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low10°F
Highest Expected Low15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Silverton

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