One of the best tools that you have as gardeners to help us determine your gardening schedule is the USDA zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

The first opportunity to plant oleander in Gilbert can be determined by using the USDA zone info.

Planting Calendar for Oleander

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

You can not plant oleander until after the last frost when the weather gets warmer because they do not do well in cold weather.

The earliest that you can plant oleander in Gilbert 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. If you wait any later than that and your oleander may not have a chance to fully mature. You can get started a few weeks earlier by starting your oleander indoors.

Last Frost Date

On average the last frost is on February 15 in Gilbert. You can expect an average low temperature of 25°F in the coldest months of winter.

Always keep in mind that the actual date of last frost is just an average because it is based on the USDA zone info for Gilbert and it can change quite a bit from year to year. Since half of the time in Gilbert it frosts late in the year after February 15 be ready to cover your oleander if you have one of those late frosts.

USDA Zone Info for Gilbert

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 Gilbert

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