Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Calipatria can be looked at to estimate when to plant pampas grass.

Planting Calendar for Pampas Grass

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

It's a bad idea to plant pampas grass until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant pampas grass in Calipatria 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 pampas grass and expect a good harvest is probably September. Any later than that and your pampas grass may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your pampas grass indoors.

Last Frost Date

The average date of last frost is February 15 in Calipatria. You can expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Calipatria is not always accurate the actual date of last frost can change quite a bit from year to year. Half of the time in Calipatria you get a frost after February 15 so be sure to be ready to protect your pampas grass if you have a surprise late frost.

USDA Zone Info for Calipatria

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 Calipatria

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