One of the best tools that you have as gardeners to help us figure out 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 USDA zone info for El Monte should be looked at to estimate when it's a good idea to plant oleander.

Planting Calendar for Oleander

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

It's probably not a good idea to plant oleander until after the last frost when the weather gets warmer because they are not cold tolerant.

The earliest that you can plant oleander in El Monte 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. Any later than that and your oleander may not have a chance to really do well. Starting your oleander indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost has passed is on January 31 in El Monte. In the coldest months of winter you should expect an average low temperature of 30°F.

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 El Monte and it is different every year. Since half of the time in El Monte you get surprised by a frost after January 31 be ready to protect your oleander in the event of one of those late frosts.

USDA Zone Info for El Monte

Here is the info for USDA Zone 10a.

Average Date of Last Frost (spring)	January 31
Average Date of First Frost (fall)	December 15
Lowest Expected Low	30°F
Highest Expected Low	35°F

This means that on a really cold year, the coldest it will get is 30°F. On most years you should be prepared to experience lows near 35°F.

Plants to Grow in El Monte

You may be interested in your other planting guides for El Monte.