When to Plant Dipladenia in Russellville, KY

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant dipladenia in Russellville should be determined by using the USDA zone info.


Planting Calendar for Dipladenia

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

You should not plant dipladenia until after the last frost because they are not cold tolerant.

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 Russellville 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. You probably don't want to wait any later than that or else your dipladenia may not have a chance to grow to maturity. Starting your dipladenia indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Russellville the average date of last frost happens on April 15. It might get as low as -5°F during the coldest months of winter.

Since the USDA zone info for Russellville is not always accurate the actual date of last frost is different every year. Half of the time in Russellville it frosts late in the year after April 15 so always be ready to protect your dipladenia if you have one of those late frosts.

USDA Zone Info for Russellville

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 Russellville

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