One of the first steps you take when you are making a decision about 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 reviewing the USDA zone info for Richland you will be able to determine 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 do well in moderate cold which tells us that you can start planting them earlier than other frost tender plants.

The earliest that you can plant sweet woodruff in Richland 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. Any later than that and your sweet woodruff may not have a chance to fully mature. 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 Richland. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Richland is an average the actual date of last frost will vary from year to year. Since half of the time in Richland last frost occurs after April 15 be ready to cover your sweet woodruff in the event of a late frost.

USDA Zone Info for Richland

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Richland

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