One of the first steps you take when you are making a decision about 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.

You can determine when you can plant gerbera in Umatilla by using the USDA zone info.

Planting Calendar for Gerbera

Frost tolerance for gerbera:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Since gerbera do ok in moderate cold you can plant them just a tiny bit earlier in the year than other plants that might not handle the cold.

The earliest that you can plant gerbera in Umatilla 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 gerbera and expect a good harvest is probably August. If you wait any later than that and your gerbera may not have a chance to fully mature. Starting your gerbera indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Just be sure to remember that USDA zone info for Umatilla is an average and the actual date of last frost will vary from year to year. Half of the time in Umatilla there is a last frost after April 15 so make sure that you are prepared to protect your gerbera if you have a surprise 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.