One of the first steps you take when you are estimating your gardening schedule is find your 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 Healdsburg 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 the last frost.

It's not a good 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 Healdsburg 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 fully mature. You can get started a couple of weeks earlier by starting your pampas grass indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on February 15 in Healdsburg. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Healdsburg is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Healdsburg you get surprised by a frost after February 15 be ready to cover your pampas grass if you have a late frost.

USDA Zone Info for Healdsburg

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 Healdsburg

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