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

In Prospect Heights you can determine when it's the best time to plant sweetscented bedstraw by referring to the USDA zone info.

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 do ok in moderate cold which means that you can get them planted just a bit earlier than other frost tender plants.

The earliest that you can plant sweetscented bedstraw in Prospect Heights 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. Any later than that and your sweetscented bedstraw may not have a chance to really do well. Starting your sweetscented bedstraw indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

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

Remember that USDA zone info for Prospect Heights may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Half of the time in Prospect Heights you get surprised by a frost after April 15 so always be ready to protect your sweetscented bedstraw in the event of one of those late frosts.

USDA Zone Info for Prospect Heights

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 Prospect Heights

You may be interested in your other planting guides for Prospect Heights.