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

In Crystal City you can estimate when it's the best time to plant rudbeckia by looking at 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.

Rudbeckia do well in moderate cold which tells us that you can get them planted earlier than other plants that might not handle the cold.

The earliest that you can plant rudbeckia in Crystal City is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant rudbeckia and expect a good harvest is probably October. If you wait any later than that and your rudbeckia may not have a chance to really do well. You can get started a little bit earlier by starting your rudbeckia indoors.

Last Frost Date

On average the last frost is on February 15 in Crystal City. You can expect an average low temperature of 20°F in the coldest months of winter.

Keep in mind that USDA zone info for Crystal City is not always accurate and the actual date of last frost can change quite a bit from year to year. Since half of the time in Crystal City there is a last frost after February 15 be ready to cover your rudbeckia if you have one of those late frosts.

USDA Zone Info for Crystal City

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Crystal City

You may be interested in your other planting guides for Crystal City.