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

It's possible to figure out when to plant regal geranium by referring to the USDA zone info for Rock Hill.

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 just a tiny bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant regal geranium in Rock Hill 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 grow to maturity. You can get started a little bit earlier by starting your regal geranium indoors.

Last Frost Date

The average date of last frost is March 15 in Rock Hill. It might get as low as 10°F during the coldest months of winter.

Always keep in mind that USDA zone info for Rock Hill is just an average and the actual date of last frost is different every year. Since half of the time in Rock Hill you get surprised by a frost after March 15 be ready to protect your regal geranium in the event of one of those late frosts.

USDA Zone Info for Rock Hill

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Rock Hill

You may be interested in your other planting guides for Rock Hill.