Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The USDA zone info for Owensboro should be looked at to estimate when it's a good idea to plant strawflowers.

Planting Calendar for Strawflowers

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

Strawflowers are one of those plants that can tolerate a tiny bit of cold weather which means that you can plant them slightly earlier than other plants that might not handle the cold.

The earliest that you can plant strawflowers in Owensboro 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 strawflowers and expect a good harvest is probably August. Any later than that and your strawflowers may not have a chance to fully mature. If you are starting your strawflowers indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Owensboro. In the coldest months of winter you should expect an average low temperature of -5°F.

Remember that USDA zone info for Owensboro is not always accurate and the actual date of last frost changes from year to year. Half of the time in Owensboro you get surprised by a frost after April 15 so make sure that you are prepared to protect your strawflowers in the event of one of those late frosts.

USDA Zone Info for Owensboro

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Owensboro

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