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.

You should be able to estimate when it's the best time to plant swan river daisy by using the USDA zone info for Keokuk.

Planting Calendar for Swan River Daisy

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

Since swan river daisy require warm weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant swan river daisy in Keokuk 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. If you wait any later than that and 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 Keokuk. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Keokuk may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Keokuk there is a last frost after April 15 be ready to cover your swan river daisy if you have one of those late frosts.

USDA Zone Info for Keokuk

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 Keokuk

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