When to Plant Geranium in Benton Harbor, MI

Before planting it is a good idea to find your USDA Zone info to determine 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.

You can estimate when it's possible to plant geranium in Benton Harbor by referring to the USDA zone info.

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Planting Calendar for Geranium

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

Since geranium are not cold tolerant it's necessary to wait until after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant geranium
Possibly ok, but a risky time to plant geranium
Probably not a good time to plant geranium

The earliest that you can plant geranium in Benton Harbor 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 geranium and expect a good harvest is probably August. Any later than that and your geranium may not have a chance to really do well. You can get started a few weeks earlier by starting your geranium indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Benton Harbor. In the coldest months of winter you can expect an average low temperature of -5°F.

Keep in mind that USDA zone info for Benton Harbor is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Benton Harbor it frosts late in the year after April 15 so make sure that you are prepared to cover your geranium if you have a surprise late frost.

USDA Zone Info for Benton Harbor

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 Benton Harbor

You may be interested in your other planting guides for Benton Harbor.