One of the first steps you take when you are determining your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In North Bend you can determine when it's possible to plant thunbergia by looking at the USDA zone info.

Planting Calendar for Thunbergia

Frost tolerance for thunbergia:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Thunbergia require warm weather which means that you really should wait until it warms up after all chance of frost has passed before you can plant them.

The earliest that you can plant thunbergia in North Bend 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 thunbergia and expect a good harvest is probably August. If you wait any later than that and your thunbergia may not have a chance to fully mature. You can get started a little bit earlier by starting your thunbergia indoors.

Last Frost Date

On average the last frost has passed is on March 15 in North Bend. In the coldest months of winter you can expect an average low temperature of 15°F.

It's important to remember that USDA zone info for North Bend may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in North Bend it frosts late in the year after March 15 be ready to cover your thunbergia in the event of one of those late frosts.

USDA Zone Info for North Bend

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 North Bend

You may be interested in your other planting guides for North Bend.