Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can estimate when it's a good idea to plant scaevola in Vermillion by reviewing the USDA zone info.

Planting Calendar for Scaevola

Frost tolerance for scaevola:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since scaevola are not cold tolerant you need to wait until after the last frost has passed before you can plant them.

The earliest that you can plant scaevola in Vermillion 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. If you are starting your scaevola indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Vermillion. It might get as low as -20°F during the coldest months of winter.

Keep in mind that USDA zone info for Vermillion 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 Vermillion it frosts late in the year after April 15 be ready to protect your scaevola in the event of a surprise late frost.

USDA Zone Info for Vermillion

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Vermillion

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