When to Plant Melampodium in Catasauqua, PA

The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Catasauqua should be used to determine when it's possible to plant melampodium.


Planting Calendar for Melampodium

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

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

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 Catasauqua 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 Catasauqua. In the coldest months of winter you can expect an average low temperature of -5°F.

Since the USDA zone info for Catasauqua is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Catasauqua there is a last frost after April 15 be ready to protect your melampodium in the event of a late frost.

USDA Zone Info for Catasauqua

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 Low0°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 Catasauqua

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