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 Livermore you can determine when it's the best time to plant oleander by referring to the USDA zone info.

Planting Calendar for Oleander

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

You should not plant oleander until after the last frost has passed because they do not do well in cold weather.

The earliest that you can plant oleander in Livermore is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant oleander and expect a good harvest is probably September. 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 February 15 in Livermore. It might get as low as 25°F during the coldest months of winter.

Keep in mind that USDA zone info for Livermore is just an average and the actual date of last frost changes from year to year. Half of the time in Livermore there is a last frost after February 15 so make sure that you are prepared to protect your oleander in the event of a late frost.

USDA Zone Info for Livermore

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Livermore

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