When can I plant Strawflowers in Evanston, IL

One of the first steps we take when we are determining our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You can estimate when it's a good idea to plant strawflowers in Evanston by checking out the USDA zone info.


Planting Calendar for Strawflowers

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

Since strawflowers do ok in moderate cold you can plant them a bit earlier in the year than other plants that might not handle 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 Evanston 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 grow to maturity. You can get started a couple of weeks earlier by starting your strawflowers indoors.

Last Frost Date

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

Keep in mind that USDA zone info for Evanston is not always accurate and our actual date of last frost can change quite a bit from year to year. Half of the time in Evanston we get a frost after April 15 so always be ready to protect your strawflowers if we have one of those late frosts.

USDA Zone Info for Evanston

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 Evanston

You may be interested in our other planting guides for Evanston.