Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Umatilla you can estimate when to plant decorative kale by referring to the USDA zone info.

Planting Calendar for Decorative Kale

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

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

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

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Umatilla. In the coldest months of winter you can expect an average low temperature of 5°F.

Always keep in mind that USDA zone info for Umatilla is just an average and the actual date of last frost changes from year to year. Half of the time in Umatilla there is a last frost after April 15 so be sure to be ready to cover your decorative kale in the event of a late frost.

USDA Zone Info for Umatilla

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°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 10°F.

Plants to Grow in Umatilla

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