When to Plant Dipladenia in Pelham, AL

One of the first steps you take when you are determining 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 reviewing the USDA zone info for Pelham it's a good idea to estimate when you can plant dipladenia.


Planting Calendar for Dipladenia

Frost tolerance for dipladenia: Not tolerant of frost.
When to plant: After the last frost when the weather gets warmer.

Dipladenia are not cold tolerant which means that it's important to wait until it warms up after all chance of frost has passed 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 Pelham 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 really do well. If you are starting your dipladenia indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

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

Always keep in mind that USDA zone info for Pelham may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Pelham it frosts late in the year after March 15 be ready to cover your dipladenia if you have one of those late frosts.

USDA Zone Info for Pelham

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 Low10°F
Highest Expected Low15°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 Pelham

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