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 USDA zone info for Westlake can be reffered to in order to estimate when it's a good idea to plant pampas grass.

Planting Calendar for Pampas Grass

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

You really shouldn't plant pampas grass until after the last frost when the weather gets warmer because they require warm weather.

The earliest that you can plant pampas grass in Westlake 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 fully mature. You can get started a little bit earlier by starting your pampas grass indoors.

Last Frost Date

In Westlake the average date of last frost happens on February 15. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Westlake is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Westlake it frosts late in the year 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 Westlake

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	20°F
Highest Expected Low	25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Westlake

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