The USDA Zone info is a great tool for gardeners to help us estimate your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By checking out the USDA zone info for Seattle it's possible to determine when you can plant fountain grass.

Planting Calendar for Fountain Grass

Frost tolerance for fountain grass:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Fountain Grass are one of those plants that can tolerate a tiny bit of cold weather which tells us that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant fountain grass in Seattle 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 fountain grass and expect a good harvest is probably August. If you wait any later than that and your fountain grass may not have a chance to grow to maturity. You can get started a little bit earlier by starting your fountain grass indoors.

Last Frost Date

On average the last frost is on March 15 in Seattle. It might get as low as 15°F during the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Seattle and it will vary from year to year. Half of the time in Seattle it frosts late in the year after March 15 so make sure that you are ready to protect your fountain grass in the event of one of those late frosts.

USDA Zone Info for Seattle

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 Low	15°F
Highest Expected Low	20°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 Seattle

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