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When to Plant Melampodium in Port Royal, SC

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Port Royal you can figure out when it's possible to plant melampodium by referring to 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.

Melampodium require warm weather which means that you have to wait until it warms up 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 Port Royal 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. If you are starting your melampodium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

In Port Royal the average date of last frost happens on March 15. In the coldest months of winter you can expect an average low temperature of 15°F.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for Port Royal and it can change quite a bit from year to year. Since half of the time in Port Royal you get surprised by a frost after March 15 be ready to cover your melampodium if you have one of those late frosts.

USDA Zone Info for Port Royal

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°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 20°F.

Plants to Grow in Port Royal

You may be interested in your other planting guides for Port Royal.