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

The best time to plant indian cress in Alhambra should be determined by using the USDA zone info.

Planting Calendar for Indian cress

Frost tolerance for indian cress:	Not tolerant of frost.
When to plant:	After the last frost when the weather gets warmer.

Indian cress are not cold tolerant which tells us that you need to wait until it warms up after the last frost has passed before you can plant them.

The earliest that you can plant indian cress in Alhambra 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 indian cress and expect a good harvest is probably September. Any later than that and your indian cress may not have a chance to fully mature. If you are starting your indian cress indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost is on January 31 in Alhambra. You can expect an average low temperature of 30°F in the coldest months of winter.

Since the USDA zone info for Alhambra may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Alhambra last frost occurs after January 31 so make sure that you are ready to cover your indian cress in the event of a surprise late frost.

USDA Zone Info for Alhambra

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 Alhambra

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