When to Plant Oleander in Manlius, NY

The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

A common way of making a decision about when it's possible to plant oleander is to check out the USDA zone info for Manlius.


Planting Calendar for Oleander

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

Since oleander require warm weather you must wait until after the last frost before you can plant them.

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 Manlius 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 fully mature. If you are starting your oleander indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Manlius. You should expect an average low temperature of -15°F in the coldest months of winter.

Remember that USDA zone info for Manlius may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Manlius you get surprised by a frost after April 15 be ready to protect your oleander if you have a surprise late frost.

USDA Zone Info for Manlius

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-15°F
Highest Expected Low-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Manlius

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