When to Plant Melampodium in Clarion, PA

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Clarion you can determine when it's the best time to 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 do not do well in cold weather you must wait until after all chance of frost has passed 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 Clarion 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 grow to maturity. If you are starting your melampodium indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Clarion the average date of last frost happens on April 15. It might get as low as -15°F during the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Clarion and it can change quite a bit from year to year. Half of the time in Clarion last frost occurs after April 15 so be sure to be ready to protect your melampodium in the event of a late frost.

USDA Zone Info for Clarion

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 Clarion

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