The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Rockford you can estimate when to plant scabiosa by using the USDA zone info.

Planting Calendar for Scabiosa

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

Scabiosa can survive in some cold which means that you can plant them a little earlier in the year than other plants that might not handle the cold.

The earliest that you can plant scabiosa in Rockford 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. You probably don't want to wait any later than that or else your scabiosa may not have a chance to really do well. You can get started a little bit earlier by starting your scabiosa indoors.

Last Frost Date

On average the last frost is on April 15 in Rockford. It might get as low as -15°F during the coldest months of winter.

Since the USDA zone info for Rockford is not always accurate the actual date of last frost is different every year. Since half of the time in Rockford there is a last frost after April 15 be ready to protect your scabiosa in the event of one of those late frosts.

USDA Zone Info for Rockford

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Rockford

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