When to Plant Hamelia in New Castle, PA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. 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 to plant hamelia in New Castle by checking out the USDA zone info.


Planting Calendar for Hamelia

Frost tolerance for hamelia: Not tolerant of frost.
When to plant: After the last frost.

Since hamelia are not cold tolerant you really should wait until after the last frost has passed before you can plant them.

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

The earliest that you can plant hamelia in New Castle is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant hamelia and expect a good harvest is probably August. You probably don't want to wait any later than that or else your hamelia may not have a chance to fully mature. If you are starting your hamelia indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost has passed is on April 15 in New Castle. You should expect an average low temperature of -10°F in the coldest months of winter.

Since the USDA zone info for New Castle is an average the actual date of last frost will vary from year to year. Since half of the time in New Castle you get surprised by a frost after April 15 be ready to cover your hamelia if you have one of those late frosts.

USDA Zone Info for New Castle

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 New Castle

You may be interested in your other planting guides for New Castle.