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 USDA zone info for College Place should be used to figure out when it's possible to plant hardy hibiscus.

Planting Calendar for Hardy Hibiscus

Frost tolerance for hardy hibiscus:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant hardy hibiscus a lot earlier in the year because they are very cold tolerant.

The earliest that you can plant hardy hibiscus in College Place is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant hardy hibiscus and expect a good harvest is probably September. You probably don't want to wait any later than that or else your hardy hibiscus may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your hardy hibiscus indoors.

Last Frost Date

The average date of last frost is April 15 in College Place. It might get as low as 0°F during the coldest months of winter.

Always keep in mind that USDA zone info for College Place is an average and the actual date of last frost is different every year. Half of the time in College Place you get surprised by a frost after April 15 so make sure that you are ready to protect your hardy hibiscus in the event of a late frost.

USDA Zone Info for College Place

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in College Place

You may be interested in your other planting guides for College Place.