When to Plant Melampodium in Clinton, IA

One of the first steps you take when you are getting a good idea 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.

You will be able to estimate when to plant melampodium by referring to the USDA zone info for Clinton.


Planting Calendar for Melampodium

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

Melampodium are not cold tolerant which means that you really should wait until it warms up after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant melampodium
Possibly ok, but a risky time to plant melampodium
Probably not a good time to plant melampodium

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

Last Frost Date

The average date of last frost is April 15 in Clinton. You can expect an average low temperature of -15°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Clinton is an average and the actual date of last frost is different every year. Since half of the time in Clinton there is a last frost after April 15 be ready to protect your melampodium in the event of a surprise late frost.

USDA Zone Info for Clinton

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 Clinton

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