When to Plant Swan River Daisy in Sullivan, IL

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's possible to plant swan river daisy in Sullivan by checking out the USDA zone info.


Planting Calendar for Swan River Daisy

Frost tolerance for swan river daisy: Not tolerant of frost.
When to plant: After the last frost.

Since swan river daisy require warm weather it's important to wait until after the last frost has passed before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant swan river daisy
Possibly ok, but a risky time to plant swan river daisy
Probably not a good time to plant swan river daisy

The earliest that you can plant swan river daisy in Sullivan is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant swan river daisy and expect a good harvest is probably August. You probably don't want to wait any later than that or else your swan river daisy may not have a chance to really do well. You can get started a few weeks earlier by starting your swan river daisy indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Sullivan. In the coldest months of winter you can expect an average low temperature of -10°F.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Sullivan and it can change quite a bit from year to year. Since half of the time in Sullivan you get surprised by a frost after April 15 be ready to cover your swan river daisy if you have a surprise late frost.

USDA Zone Info for Sullivan

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Sullivan

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