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.

A common way of getting a good idea when to plant sweet woodruff is to check out the USDA zone info for Lake Geneva.

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 are moderately cold tolerant you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant sweet woodruff in Lake Geneva 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 really do well. You can get started a little bit earlier by starting your sweet woodruff indoors.

Last Frost Date

The average date of last frost is April 15 in Lake Geneva. In the coldest months of winter you can expect an average low temperature of -15°F.

Remember that USDA zone info for Lake Geneva is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Lake Geneva there is a last frost after April 15 so make sure that you are ready to cover your sweet woodruff in the event of one of those late frosts.

USDA Zone Info for Lake Geneva

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 Lake Geneva

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