When to Plant Oleander in Derby, CT

One of the first steps you take when you are estimating 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 oleander in Derby can be determined by looking at the USDA zone info.


Planting Calendar for Oleander

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

You should not plant oleander until after the last frost when the weather gets warmer because they require warm 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 Derby 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 couple of weeks earlier by starting your oleander indoors.

Last Frost Date

The average date of last frost is April 15 in Derby. In the coldest months of winter you should expect an average low temperature of -5°F.

Since the USDA zone info for Derby is an average the actual date of last frost will vary from year to year. Since half of the time in Derby it frosts late in the year after April 15 be ready to cover your oleander in the event of one of those late frosts.

USDA Zone Info for Derby

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 Derby

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