Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Cedar Rapids can be used to determine when it's possible to plant scabiosa.

Planting Calendar for Scabiosa

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

Scabiosa tend to make it in a little bit of cold which tells us that you can plant them a little bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant scabiosa in Cedar Rapids 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 scabiosa and expect a good harvest is probably September. Any later than that and your scabiosa may not have a chance to fully mature. Starting your scabiosa indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Cedar Rapids the average date of last frost happens on April 15. You can expect an average low temperature of -20°F in the coldest months of winter.

Since the USDA zone info for Cedar Rapids is an average the actual date of last frost changes from year to year. Since half of the time in Cedar Rapids it frosts late in the year after April 15 be ready to protect your scabiosa in the event of a surprise late frost.

USDA Zone Info for Cedar Rapids

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°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 -15°F.

Plants to Grow in Cedar Rapids

You may be interested in your other planting guides for Cedar Rapids.