One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant gloriosa daisy in Silvis should be determined by reviewing 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.

Since gloriosa daisy are moderately cold tolerant you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant gloriosa daisy in Silvis 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. You probably don't want to wait any later than that or else your gloriosa daisy may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your gloriosa daisy indoors.

Last Frost Date

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

It's important to remember that USDA zone info for Silvis may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Silvis you get surprised by a frost after April 15 be ready to protect your gloriosa daisy if you have a late frost.

USDA Zone Info for Silvis

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 Silvis

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