The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when you can plant oleander by reviewing the USDA zone info for Downey.

Planting Calendar for Oleander

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

It's a bad idea to plant oleander until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant oleander in Downey is February. However, you really should wait until March 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. Starting your oleander indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost is on January 31 in Downey. In the coldest months of winter you should expect an average low temperature of 35°F.

It's important to remember that USDA zone info for Downey is an average and the actual date of last frost will vary from year to year. Half of the time in Downey there is a last frost after January 31 so just be sure to be ready to protect your oleander if you have a surprise late frost.

USDA Zone Info for Downey

Here is the info for USDA Zone 10b.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	35°F
Highest Expected Low	40°F

This means that on a really cold year, the coldest it will get is 35°F. On most years you should be prepared to experience lows near 40°F.

Plants to Grow in Downey

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