One of the first steps you take when you are estimating 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.

By looking at the USDA zone info for Milan you will be able to estimate when it's a good idea 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.

Sweet Woodruff tend to make it in some cold which tells us that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant sweet woodruff in Milan 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 little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Milan. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Milan may not be accurate from year to year and the actual date of last frost changes from year to year. Half of the time in Milan you get surprised by a frost after April 15 so just be sure to be ready to cover your sweet woodruff if you have a surprise late frost.

USDA Zone Info for Milan

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 Milan

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