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.

One way of determining when you can plant oleander is to look at the USDA zone info for Austin.

Planting Calendar for Oleander

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

Since oleander do not do well in cold weather it's important to wait until after the last frost before you can plant them.

The earliest that you can plant oleander in Austin 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 grow to maturity. Starting your oleander indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Austin. You should expect an average low temperature of 15°F in the coldest months of winter.

Since the USDA zone info for Austin may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Austin it frosts late in the year after March 15 be ready to protect your oleander if you have one of those late frosts.

USDA Zone Info for Austin

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 Low	15°F
Highest Expected Low	20°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 Austin

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