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 Ottumwa you can determine when it's the best time to plant sweetscented bedstraw by checking out 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.

Since sweetscented bedstraw do ok in moderate cold you can plant them slightly earlier in the year than more sensitive plants.

The earliest that you can plant sweetscented bedstraw in Ottumwa 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 grow to maturity. You can get started a couple of weeks earlier by starting your sweetscented bedstraw indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Ottumwa. It might get as low as -15°F during the coldest months of winter.

Always keep in mind that the actual date of last frost is not always accurate because it is based on the USDA zone info for Ottumwa and it changes from year to year. Half of the time in Ottumwa last frost occurs after April 15 so make sure that you are prepared to protect your sweetscented bedstraw if you have a late frost.

USDA Zone Info for Ottumwa

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 Ottumwa

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