frostdate name logo in white
frostdate name logo in white

When to Plant Regal Geranium in Royersford, PA

The USDA Zone info is a great tool for gardeners to help us figure out 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.

The first opportunity to plant regal geranium in Royersford can be figured out by referring to 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 are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier 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 Royersford 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. Any later than that and your regal geranium may not have a chance to grow to maturity. If you are starting your regal geranium indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Royersford. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Royersford may not be accurate from year to year the actual date of last frost changes from year to year. Half of the time in Royersford it frosts late in the year after April 15 so make sure that you are prepared to protect your regal geranium in the event of a late frost.

USDA Zone Info for Royersford

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-5°F
Highest Expected Low0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Royersford

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