When to Plant Oleander in Sheridan, OR

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

It's possible to figure out when you can plant oleander by reviewing the USDA zone info for Sheridan.


Planting Calendar for Oleander

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

Since oleander are not cold tolerant you have to wait until after all chance of frost has passed 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 Sheridan 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. Starting your oleander indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Sheridan the average date of last frost happens on March 15. It might get as low as 15°F during the coldest months of winter.

Keep in mind that USDA zone info for Sheridan is an average and the actual date of last frost is different every year. Half of the time in Sheridan there is a last frost after March 15 so make sure that you are ready to cover your oleander in the event of a surprise late frost.

USDA Zone Info for Sheridan

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°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 20°F.

Plants to Grow in Sheridan

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