When to Plant Fanflower in Arlington Heights, IL

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.

In Arlington Heights you can estimate when it's a good idea to plant fanflower by reviewing the USDA zone info.


Planting Calendar for Fanflower

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

You should not plant fanflower until after the last frost when the weather gets warmer because they do not do well in cold weather.

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 Arlington Heights 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 fully mature. Starting your fanflower indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Arlington Heights may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Since half of the time in Arlington Heights you get a frost after April 15 be ready to protect your fanflower if you have a surprise late frost.

USDA Zone Info for Arlington Heights

Here is the info for USDA Zone 5b.

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

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Arlington Heights

You may be interested in your other planting guides for Arlington Heights.