One of the first steps you take when you are making a decision about 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.

In Hartwell you can determine when it's a good idea to plant oleander 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 when the weather gets warmer.

Oleander require warm weather which tells us that it's important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant oleander in Hartwell 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. You can get started a couple of weeks earlier by starting your oleander indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Hartwell. You can expect an average low temperature of 10°F in the coldest months of winter.

Since the USDA zone info for Hartwell may not be accurate from year to year the actual date of last frost changes from year to year. Since half of the time in Hartwell last frost occurs after March 15 be ready to protect your oleander in the event of a surprise late frost.

USDA Zone Info for Hartwell

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Hartwell

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