When to Plant Oleander in Mason, MI

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

A way of getting a good idea when it's a good idea to plant oleander is to check out the USDA zone info for Mason.


Planting Calendar for Oleander

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

You really shouldn't plant oleander until after the last frost has passed 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 Mason 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. If you wait any later than that and your oleander may not have a chance to fully mature. 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 Mason. In the coldest months of winter you can expect an average low temperature of -15°F.

Always keep in mind that USDA zone info for Mason may not be accurate from year to year and the actual date of last frost will vary from year to year. Since half of the time in Mason there is a last frost after April 15 be ready to protect your oleander if you have one of those late frosts.

USDA Zone Info for Mason

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 Mason

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