One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A way of figuring out when it's possible to plant sweet woodruff is to refer to the USDA zone info for Omaha.

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 other plants that might not handle the cold.

The earliest that you can plant sweet woodruff in Omaha 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. If you are starting your sweet woodruff indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Omaha. You can expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Omaha is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Omaha it frosts late in the year after April 15 so make sure that you are ready to protect your sweet woodruff if you have a late frost.

USDA Zone Info for Omaha

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 Omaha

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