One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By using the USDA zone info for Woodburn it's a good idea to figure out when you can plant cuphea.

Planting Calendar for Cuphea

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

You can not plant cuphea until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant cuphea in Woodburn 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 cuphea and expect a good harvest is probably August. You probably don't want to wait any later than that or else your cuphea may not have a chance to fully mature. You can get started a few weeks earlier by starting your cuphea indoors.

Last Frost Date

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

Since the USDA zone info for Woodburn is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Woodburn there is a last frost after March 15 so just be sure to be ready to protect your cuphea in the event of a late frost.

USDA Zone Info for Woodburn

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 Woodburn

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