When to Plant Pampas Grass in Lafayette, CA

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 first chance to plant pampas grass in Lafayette should be figured out by reviewing the USDA zone info.


Planting Calendar for Pampas Grass

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

Since pampas grass do not do well in cold weather it is necessary to wait until after the last frost before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant pampas grass
Possibly ok, but a risky time to plant pampas grass
Probably not a good time to plant pampas grass

The earliest that you can plant pampas grass in Lafayette 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. You probably don't want to wait any later than that or else your pampas grass may not have a chance to really do well. If you are starting your pampas grass indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

In Lafayette the average date of last frost happens on February 15. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Lafayette may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Lafayette you get surprised by a frost after February 15 be ready to protect your pampas grass if you have one of those late frosts.

USDA Zone Info for Lafayette

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 Low25°F
Highest Expected Low30°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 Lafayette

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