The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Ellsworth you can figure out when it's possible 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.

Oleander do not do well in cold weather which tells us that you really should wait until it warms up after the last frost before you can plant them.

The earliest that you can plant oleander in Ellsworth 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. You probably don't want to wait any later than that or else your oleander may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your oleander indoors.

Last Frost Date

On average the last frost is on April 15 in Ellsworth. You should expect an average low temperature of -15°F in the coldest months of winter.

Always keep in mind that USDA zone info for Ellsworth is an average and the actual date of last frost will vary from year to year. Since half of the time in Ellsworth last frost occurs after April 15 be ready to cover your oleander if you have a surprise late frost.

USDA Zone Info for Ellsworth

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 Ellsworth

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