When to Plant Melampodium in Benson, AZ

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 first chance to plant melampodium in Benson can be determined 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 has passed.

You can not plant melampodium until after all chance of frost has passed 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 Benson 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 really do well. You can get started a little bit earlier by starting your melampodium indoors.

Last Frost Date

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

Just be sure to remember that USDA zone info for Benson may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Benson it frosts late in the year after March 15 so make sure that you are ready to protect your melampodium if you have one of those late frosts.

USDA Zone Info for Benson

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 Benson

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