One of the best tools that you have as gardeners to help us estimate your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when to plant oleander in Santa Clara 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 you must wait until after all chance of frost has passed before you can plant them.

The earliest that you can plant oleander in Santa Clara 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. You probably don't want to wait any later than that or else your oleander may not have a chance to grow to maturity. 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 Santa Clara. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Santa Clara is just an average the actual date of last frost will vary from year to year. Half of the time in Santa Clara you get surprised by a frost after February 15 so be sure to be ready to cover your oleander if you have a late frost.

USDA Zone Info for Santa Clara

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 Santa Clara

You may be interested in your other planting guides for Santa Clara.