When to Plant Pampas Grass in Auburn, WA

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

By referring to the USDA zone info for Auburn it's a good idea to estimate when it's possible 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 when the weather gets warmer.

Pampas Grass require warm weather which tells us that it's important to wait until it warms up 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 Auburn is April. However, you really should wait until May 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 August. If you wait any later than that and your pampas grass may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your pampas grass indoors.

Last Frost Date

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

Always keep in mind that USDA zone info for Auburn is an average and the actual date of last frost changes from year to year. Since half of the time in Auburn you get a frost after March 15 be ready to protect your pampas grass if you have one of those late frosts.

USDA Zone Info for Auburn

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

This means that on a really cold year, the coldest it will get is 15°F. On most years you should be prepared to experience lows near 20°F.

Plants to Grow in Auburn

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