One of the first steps you take when you are figuring out your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

A common way of getting a good idea when you can plant rudbeckia is to consult the USDA zone info for Tooele.

Planting Calendar for Rudbeckia

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

Rudbeckia do well in mild cold which means that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant rudbeckia in Tooele 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 rudbeckia and expect a good harvest is probably September. You probably don't want to wait any later than that or else your rudbeckia may not have a chance to fully mature. Starting your rudbeckia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Tooele. It might get as low as 0°F during the coldest months of winter.

Keep in mind that USDA zone info for Tooele is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Tooele there is a last frost after April 15 so make sure that you are ready to protect your rudbeckia in the event of a surprise late frost.

USDA Zone Info for Tooele

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 Tooele

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