The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The best time to plant regal geranium in Ithaca can be figured out by checking out 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.

Regal Geranium tend to make it in some cold which tells us that you can plant them just a tiny bit earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant regal geranium in Ithaca 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. You can get started a few weeks earlier by starting your regal geranium indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Ithaca. In the coldest months of winter you can expect an average low temperature of -10°F.

Just be sure to remember that USDA zone info for Ithaca is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Ithaca it frosts late in the year after April 15 so make sure that you are ready to cover your regal geranium in the event of a late frost.

USDA Zone Info for Ithaca

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 Ithaca

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