When to Plant Melampodium in Zone 12b

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 should be able to figure out when to plant melampodium by looking at the USDA zone info for Zone 12b.

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Planting Calendar for Melampodium

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

It's a bad 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 Zone 12b is January. However, you really should wait until February if you don't want to take any chances.

The last month that you can plant melampodium and expect a good harvest is probably November. If you wait any later than that and your melampodium may not have a chance to fully mature. Starting your melampodium indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 12b it never frosts. You can expect an average low temperature of 55°F in the coldest months of winter.

Keep in mind that USDA zone info for Zone 12b is an average and the actual date of last frost will vary from year to year. Since it never frosts in Zone 12b you do not have to be ready to cover your melampodium in the event of one of those late frosts.

USDA Zone Info for Zone 12b

Here is the info for USDA Zone 12b.

Average Date of Last Frost (spring)Never
Average Date of First Frost (fall)Never
Lowest Expected Low55°F
Highest Expected Low60°F

This means that on a really cold year, the coldest it will get is 55°F. On most years you should be prepared to experience lows near 60°F.

Plants to Grow in Zone 12b

You may be interested in your other planting guides for Zone 12b.