The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant arctotis in Ellensburg should be figured out by checking out the USDA zone info.

Planting Calendar for Arctotis

Frost tolerance for arctotis:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

You can plant arctotis a little earlier in the year because they are moderately cold tolerant.

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

Last Frost Date

On average all chance of frost has passed is on April 15 in Ellensburg. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Ellensburg is not always accurate the actual date of last frost is different every year. Half of the time in Ellensburg you get a frost after April 15 so make sure that you are ready to cover your arctotis in the event of one of those late frosts.

USDA Zone Info for Ellensburg

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Ellensburg

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