The USDA Zone info is a great tool for gardeners to help us determine 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.

The best time to plant gloriosa daisy in Rock Falls should be figured out by referring to the USDA zone info.

Planting Calendar for Gloriosa Daisy

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

Gloriosa Daisy are moderately cold tolerant which means that you can get them planted earlier than other frost tender plants.

The earliest that you can plant gloriosa daisy in Rock Falls 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 gloriosa daisy and expect a good harvest is probably September. Any later than that and your gloriosa daisy may not have a chance to fully mature. Starting your gloriosa daisy indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Rock Falls the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that USDA zone info for Rock Falls may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Rock Falls it frosts late in the year after April 15 be ready to cover your gloriosa daisy in the event of a surprise late frost.

USDA Zone Info for Rock Falls

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 Rock Falls

You may be interested in your other planting guides for Rock Falls.