When to Plant Fanflower in Vermillion, SD

Before planting it is a good idea to find your USDA Zone info to determine 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 determine when it's possible to plant fanflower in Vermillion by checking out the USDA zone info.


Planting Calendar for Fanflower

Frost tolerance for fanflower: Not tolerant of frost.
When to plant: After the last frost.

Since fanflower are not cold tolerant it is necessary to wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant fanflower
Possibly ok, but a risky time to plant fanflower
Probably not a good time to plant fanflower

The earliest that you can plant fanflower 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 fanflower and expect a good harvest is probably August. Any later than that and your fanflower may not have a chance to grow to maturity. Starting your fanflower indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Vermillion the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -20°F.

Keep in mind that USDA zone info for Vermillion may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Vermillion last frost occurs after April 15 so be sure to be ready to protect your fanflower if you have a 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.