When to Plant Regal Geranium in Zone 6a

One of the best tools that you have as gardeners to help us figure out your gardening schedule is the 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 it's possible to plant regal geranium by reviewing the USDA zone info for Zone 6a.

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Planting Calendar for Regal Geranium

Frost tolerance for regal geranium: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Regal Geranium tend to make it in mild cold which means that you can plant them a bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant regal geranium in Zone 6a 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 regal geranium and expect a good harvest is probably August. If you wait any later than that and your regal geranium may not have a chance to fully mature. If you are starting your regal geranium indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Zone 6a. You should expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 6a is just an average and the actual date of last frost will vary from year to year. Since half of the time in Zone 6a you get a frost after April 15 be ready to cover your regal geranium in the event of a late frost.

USDA Zone Info for Zone 6a

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-10°F
Highest Expected Low-5°F

This means that on a really cold year, the coldest it will get is -10°F. On most years you should be prepared to experience lows near -5°F.

Plants to Grow in Zone 6a

You may be interested in your other planting guides for Zone 6a.