When to Plant Geranium in Sidney, MT

One of the first steps you take when you are determining 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.

It's possible to determine when it's possible to plant geranium by reviewing the USDA zone info for Sidney.


Planting Calendar for Geranium

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

Since geranium require warm weather it's necessary to wait until after the last frost has passed 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 Sidney is May. However, you really should wait until June 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. If you wait any later than that and your geranium may not have a chance to really do well. You can get started a couple of weeks earlier by starting your geranium indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Sidney. You should expect an average low temperature of -30°F in the coldest months of winter.

Keep in mind 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 Sidney and it is different every year. Since half of the time in Sidney you get a frost after May 15 be ready to protect your geranium in the event of a surprise late frost.

USDA Zone Info for Sidney

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

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

Plants to Grow in Sidney

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