One of the first steps you take when you are determining your gardening schedule is find your 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.

The USDA zone info for University Place can be reffered to in order to estimate when it's possible to plant black eyed susans.

Planting Calendar for Black Eyed Susans

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

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

The earliest that you can plant black eyed susans in University Place 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 black eyed susans and expect a good harvest is probably August. You probably don't want to wait any later than that or else your black eyed susans may not have a chance to really do well. You can get started a couple of weeks earlier by starting your black eyed susans indoors.

Last Frost Date

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

Since the USDA zone info for University Place may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in University Place last frost occurs after March 15 be ready to protect your black eyed susans in the event of a surprise late frost.

USDA Zone Info for University Place

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 University Place

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