When to Plant Sweet Woodruff in Edwardsville, IL

The USDA Zone info is a great tool for gardeners to help us estimate 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 earliest that you can plant sweet woodruff in Edwardsville can be figured out by looking at 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 means that you can start planting them earlier than more sensitive plants.

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 Edwardsville 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 little bit earlier.

Last Frost Date

In Edwardsville the average date of last frost happens on April 15. In the coldest months of winter you can expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Edwardsville is just an average and the actual date of last frost is different every year. Since half of the time in Edwardsville you get surprised by a frost after April 15 be ready to cover your sweet woodruff in the event of one of those late frosts.

USDA Zone Info for Edwardsville

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 Edwardsville

You may be interested in your other planting guides for Edwardsville.