The USDA Zone info is a great tool for gardeners to help us determine your gardening 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 regal geranium in Walled Lake by looking at the USDA zone info.

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.

You can plant regal geranium slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant regal geranium in Walled Lake 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 really do well. If you are starting your regal geranium indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Walled Lake. It might get as low as -10°F during the coldest months of winter.

Since the USDA zone info for Walled Lake is just an average the actual date of last frost is different every year. Since half of the time in Walled Lake there is a last frost after April 15 be ready to cover your regal geranium in the event of one of those late frosts.

USDA Zone Info for Walled Lake

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 Walled Lake

You may be interested in your other planting guides for Walled Lake.