Before planting it is a good idea to find your USDA Zone info to figure out 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.

The USDA zone info for Bellevue can be reviewed to estimate when it's the best time to plant ornamental grasses.

Planting Calendar for Ornamental Grasses

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

Since ornamental grasses are barely cold tolerant you can plant them slightly earlier in the year than other frost tender plants.

The earliest that you can plant ornamental grasses in Bellevue 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 ornamental grasses and expect a good harvest is probably August. You probably don't want to wait any later than that or else your ornamental grasses may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your ornamental grasses indoors.

Last Frost Date

The average date of last frost is March 15 in Bellevue. It might get as low as 15°F during the coldest months of winter.

Since the USDA zone info for Bellevue may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Bellevue you get a frost after March 15 be ready to cover your ornamental grasses if you have one of those late frosts.

USDA Zone Info for Bellevue

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 Bellevue

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