One of the best tools that you have as gardeners to help us estimate 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.

You can figure out when it's a good idea to plant oleander in San Carlos by looking at the USDA zone info.

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 when the weather gets warmer before you can plant them.

The earliest that you can plant oleander in San Carlos 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 grow to maturity. Starting your oleander indoors is a great way to get them started a little bit earlier.

Last Frost Date

In San Carlos the average date of last frost happens on January 31. In the coldest months of winter you can expect an average low temperature of 30°F.

Remember that the actual date of last frost is not always accurate because it is based on the USDA zone info for San Carlos and it will vary from year to year. Since half of the time in San Carlos you get a frost after January 31 be ready to protect your oleander if you have a late frost.

USDA Zone Info for San Carlos

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 San Carlos

You may be interested in your other planting guides for San Carlos.