One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Marshall should be looked at to estimate when 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 are moderately cold tolerant you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant sweet woodruff in Marshall is March. However, you really should wait until April 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 August. If you wait any later than that and 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 May 15 in Marshall. It might get as low as -25°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is an average because it is based on the USDA zone info for Marshall and it changes from year to year. Since half of the time in Marshall you get surprised by a frost after May 15 be ready to cover your sweet woodruff in the event of one of those late frosts.

USDA Zone Info for Marshall

Here is the info for USDA Zone 4b.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-25°F
Highest Expected Low	-20°F

This means that on a really cold year, the coldest it will get is -25°F. On most years you should be prepared to experience lows near -20°F.

Plants to Grow in Marshall

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