One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant melampodium in Owensboro should be estimated by looking at the USDA zone info.

Planting Calendar for Melampodium

Frost tolerance for melampodium:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's probably a bad idea to plant melampodium until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant melampodium in Owensboro is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant melampodium and expect a good harvest is probably August. If you wait any later than that and your melampodium may not have a chance to fully mature. You can get started a few weeks earlier by starting your melampodium indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Owensboro. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Owensboro is just an average the actual date of last frost will vary from year to year. Since half of the time in Owensboro you get surprised by a frost after April 15 be ready to protect your melampodium 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.