Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Newberg you can figure out when it's possible to plant monkey flower by looking at the USDA zone info.

Planting Calendar for Monkey Flower

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

Since monkey flower require warm weather you really should wait until after the last frost has passed before you can plant them.

The earliest that you can plant monkey flower 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 monkey flower and expect a good harvest is probably August. If you wait any later than that and your monkey flower may not have a chance to really do well. You can get started a little bit earlier by starting your monkey flower 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.

Keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Newberg and it is different every year. Half of the time in Newberg it frosts late in the year after March 15 so always be ready to cover your monkey flower 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.