When to Plant Dipladenia in Hermitage, PA

One of the first steps you take when you are getting a good idea 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.

By referring to the USDA zone info for Hermitage it's possible to figure out when it's the best time to plant dipladenia.


Planting Calendar for Dipladenia

Frost tolerance for dipladenia: Not tolerant of frost.
When to plant: After the last frost has passed.

Dipladenia are not cold tolerant which means that you need to wait until it warms up after the last frost when the weather gets warmer before you can plant them.

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

The earliest that you can plant dipladenia in Hermitage 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 dipladenia and expect a good harvest is probably August. If you wait any later than that and your dipladenia may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your dipladenia indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Hermitage may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Hermitage last frost occurs after April 15 be ready to protect your dipladenia if you have a late frost.

USDA Zone Info for Hermitage

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 Hermitage

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