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.

One way of estimating when it's a good idea to plant angelonia is to refer to the USDA zone info for Santa Clara.

Planting Calendar for Angelonia

Frost tolerance for angelonia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Angelonia do well in some cold which tells us that you can plant them a bit earlier in the year than more sensitive plants.

The earliest that you can plant angelonia in Santa Clara 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 angelonia and expect a good harvest is probably September. If you wait any later than that and your angelonia may not have a chance to fully mature. You can get started a few weeks earlier by starting your angelonia indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Santa Clara. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Santa Clara is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Santa Clara you get a frost after February 15 so always be ready to protect your angelonia in the event of 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.