Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's possible to figure out when it's a good idea to plant fountain grass by looking at the USDA zone info for Scappoose.

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 barely cold tolerant which tells us that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant fountain grass in Scappoose 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. Any later than that and your fountain grass may not have a chance to grow to maturity. If you are starting your fountain grass indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Scappoose. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Scappoose may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Scappoose you get surprised by a frost after March 15 so always be ready to cover your fountain grass if you have a late frost.

USDA Zone Info for Scappoose

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 Scappoose

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