When to Plant Oleander in Waterbury, CT

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

In Waterbury you can estimate when to plant oleander by checking out the USDA zone info.


Planting Calendar for Oleander

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

It's probably a bad idea to plant oleander until after the last frost when the weather gets warmer because they do not do well in cold weather.

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

The earliest that you can plant oleander in Waterbury 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 oleander and expect a good harvest is probably August. Any later than that and your oleander may not have a chance to really do well. You can get started a few weeks earlier by starting your oleander indoors.

Last Frost Date

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

Always keep in mind that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Waterbury and it changes from year to year. Since half of the time in Waterbury you get a frost after April 15 be ready to cover your oleander in the event of a late frost.

USDA Zone Info for Waterbury

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 Waterbury

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