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

A way of making a decision about when you can plant ornamental grasses is to consult the USDA zone info for Bonney Lake.

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.

Ornamental Grasses do ok in mild cold which means that you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant ornamental grasses in Bonney Lake 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. Any later than that and your ornamental grasses may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your ornamental grasses indoors.

Last Frost Date

The average date of last frost is March 15 in Bonney Lake. In the coldest months of winter you should expect an average low temperature of 15°F.

Remember that USDA zone info for Bonney Lake is an average and the actual date of last frost is different every year. Half of the time in Bonney Lake you get surprised by a frost after March 15 so make sure that you are ready to cover your ornamental grasses in the event of one of those late frosts.

USDA Zone Info for Bonney Lake

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 Bonney Lake

You may be interested in your other planting guides for Bonney Lake.