When to Plant Steirodiscus in Blue Island, IL

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when it's the best time to plant steirodiscus by checking out the USDA zone info for Blue Island.

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Planting Calendar for Steirodiscus

Frost tolerance for steirodiscus: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Steirodiscus do ok in moderate cold which tells us that you can plant them slightly earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant steirodiscus in Blue Island is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant steirodiscus and expect a good harvest is probably August. Any later than that and your steirodiscus may not have a chance to grow to maturity. If you are starting your steirodiscus indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Blue Island. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Blue Island is an average the actual date of last frost is different every year. Half of the time in Blue Island you get a frost after April 15 so be sure to be ready to protect your steirodiscus if you have a surprise late frost.

USDA Zone Info for Blue Island

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 Blue Island

You may be interested in your other planting guides for Blue Island.