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When to Plant Strawflowers in Willow Springs, 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.

By checking out the USDA zone info for Willow Springs it's possible to determine when it's the best time to plant strawflowers.

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Planting Calendar for Strawflowers

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

Since strawflowers are one of those plants that can tolerate a tiny bit of cold weather you can plant them slightly earlier in the year than plants that are more sensitive to the cold.

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

The earliest that you can plant strawflowers in Willow Springs 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 strawflowers and expect a good harvest is probably August. You probably don't want to wait any later than that or else your strawflowers may not have a chance to really do well. You can get started a couple of weeks earlier by starting your strawflowers indoors.

Last Frost Date

In Willow Springs the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -15°F.

Since the USDA zone info for Willow Springs is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Willow Springs there is a last frost after April 15 so always be ready to protect your strawflowers if you have a surprise late frost.

USDA Zone Info for Willow Springs

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 Willow Springs

You may be interested in your other planting guides for Willow Springs.