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frostdate name logo in white

When to Plant Sweet Woodruff in Prospect Heights, IL

The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first chance to plant sweet woodruff in Prospect Heights can be estimated by using the USDA zone info.


Planting Calendar for Sweet Woodruff

Frost tolerance for sweet woodruff: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Sweet Woodruff are one of those plants that can tolerate a little bit of cold weather which tells us that you can plant them earlier than plants that are more sensitive to the cold.

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

The earliest that you can plant sweet woodruff in Prospect Heights is February. However, you really should wait until March if you don't want to take any chances.

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

Last Frost Date

In Prospect Heights the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Prospect Heights and it will vary from year to year. Since half of the time in Prospect Heights last frost occurs after April 15 be ready to protect your sweet woodruff in the event of a late frost.

USDA Zone Info for Prospect 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 Prospect Heights

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