One of the first steps you take when you are figuring out 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.

In Hermiston you can determine when it's possible to plant transvaal daisy by using the USDA zone info.

Planting Calendar for Transvaal Daisy

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

You can plant transvaal daisy slightly earlier in the year because they are one of those plants that can tolerate a tiny bit of cold weather.

The earliest that you can plant transvaal daisy in Hermiston 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 transvaal daisy and expect a good harvest is probably August. Any later than that and your transvaal daisy may not have a chance to fully mature. You can get started a little bit earlier by starting your transvaal daisy indoors.

Last Frost Date

On average the last frost has passed is on April 15 in Hermiston. You should expect an average low temperature of 0°F in the coldest months of winter.

It's important to remember that USDA zone info for Hermiston may not be accurate from year to year and the actual date of last frost will vary from year to year. Half of the time in Hermiston you get a frost after April 15 so be sure to be ready to protect your transvaal daisy in the event of a surprise late frost.

USDA Zone Info for Hermiston

Here is the info for USDA Zone 7a.

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

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

Plants to Grow in Hermiston

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