Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Star you can estimate when it's a good idea to plant rudbeckia by reviewing the USDA zone info.

Planting Calendar for Rudbeckia

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

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

The earliest that you can plant rudbeckia in Star 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. Any later than that and your rudbeckia may not have a chance to fully mature. You can get started a few weeks earlier by starting your rudbeckia indoors.

Last Frost Date

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

Since the USDA zone info for Star is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Star it frosts late in the year after April 15 so always be ready to protect your rudbeckia in the event of a late frost.

USDA Zone Info for Star

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 Star

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