One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when you can plant scaevola in Keokuk by looking at the USDA zone info.

Planting Calendar for Scaevola

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

Since scaevola require warm weather it's important to wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant scaevola 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 scaevola and expect a good harvest is probably August. If you wait any later than that and your scaevola may not have a chance to really do well. You can get started a few weeks earlier by starting your scaevola indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Keokuk is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Keokuk you get a frost after April 15 be ready to protect your scaevola in the event of a late frost.

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.