One of the first steps you take when you are estimating 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.

A way of getting a good idea when it's the best time to plant black eyed susans is to look at the USDA zone info for Wasco.

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.

Black Eyed Susans require warm weather which means that it is important to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant black eyed susans in Wasco is March. However, you really should wait until April 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 September. If you wait any later than that and your black eyed susans may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your black eyed susans indoors.

Last Frost Date

In Wasco the average date of last frost happens on February 15. You should expect an average low temperature of 20°F in the coldest months of winter.

It's important to remember that USDA zone info for Wasco is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Wasco there is a last frost after February 15 be ready to protect your black eyed susans in the event of a surprise late frost.

USDA Zone Info for Wasco

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Wasco

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