One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. 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 possible to plant scaevola by referring to the USDA zone info for Newberg.

Planting Calendar for Scaevola

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

You really shouldn't plant scaevola until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant scaevola in Newberg 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. Any later than that and your scaevola may not have a chance to fully mature. You can get started a few weeks earlier by starting your scaevola indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Newberg is an average and the actual date of last frost will vary from year to year. Half of the time in Newberg you get surprised by a frost after March 15 so just be sure to be ready to protect your scaevola in the event of a late frost.

USDA Zone Info for Newberg

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 Newberg

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