One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Boonville you can determine when you can plant melampodium by using the USDA zone info.

Planting Calendar for Melampodium

Frost tolerance for melampodium:	Not tolerant of frost.
When to plant:	After the last frost.

Since melampodium require warm weather you really should wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant melampodium in Boonville 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. You probably don't want to wait any later than that or else your melampodium may not have a chance to fully mature. Starting your melampodium indoors is a great way to get them started a little bit earlier.

Last Frost Date

On average the last frost has passed is on April 15 in Boonville. You can expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for Boonville is not always accurate the actual date of last frost will vary from year to year. Half of the time in Boonville last frost occurs after April 15 so always be ready to cover your melampodium if you have one of those late frosts.

USDA Zone Info for Boonville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Boonville

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