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When to Plant Sweet Woodruff in Round Lake, IL

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Round Lake can be reviewed to figure out when it's the best time to plant sweet woodruff.


Planting Calendar for Sweet Woodruff

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

Since sweet woodruff do well 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 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 Round Lake 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. You probably don't want to wait any later than that or else 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 few weeks earlier.

Last Frost Date

In Round Lake the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -15°F.

It's important to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Round Lake and it is different every year. Since half of the time in Round Lake there is a last frost after April 15 be ready to protect your sweet woodruff if you have one of those late frosts.

USDA Zone Info for Round Lake

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 Round Lake

You may be interested in your other planting guides for Round Lake.