Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when you can plant sweetscented bedstraw is to examine the USDA zone info for Harvard.

Planting Calendar for Sweetscented Bedstraw

Frost tolerance for sweetscented bedstraw:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Sweetscented Bedstraw are barely cold tolerant which tells us that you can plant them slightly earlier than more sensitive plants.

The earliest that you can plant sweetscented bedstraw in Harvard 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 sweetscented bedstraw and expect a good harvest is probably August. You probably don't want to wait any later than that or else your sweetscented bedstraw may not have a chance to fully mature. Starting your sweetscented bedstraw indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Harvard may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Harvard last frost occurs after April 15 so just be sure to be ready to cover your sweetscented bedstraw if you have a surprise late frost.

USDA Zone Info for Harvard

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 Harvard

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