When to Plant Melampodium in Bullhead City, AZ

One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Bullhead City you will be able to figure out 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.

Melampodium are not cold tolerant which tells us that it is necessary to 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 Bullhead City is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant melampodium and expect a good harvest is probably September. If you wait any later than that and your melampodium may not have a chance to really do well. You can get started a couple of weeks earlier by starting your melampodium indoors.

Last Frost Date

On average the last frost is on February 15 in Bullhead City. It might get as low as 25°F during the coldest months of winter.

Remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Bullhead City and it will vary from year to year. Since half of the time in Bullhead City you get a frost after February 15 be ready to protect your melampodium if you have one of those late frosts.

USDA Zone Info for Bullhead City

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Bullhead City

You may be interested in your other planting guides for Bullhead City.