Flower bed next to house

Question

I live in zone 8 and wanted to use perennial flowers for the bed. My bed is about 30 feet wide and 4 to 6 feet deep due to irregular borders. My yard is very small. What should be the height of the tallest plant in back? Also, would ornamental grass be good to use in this bed? if so, which one is not invasive?

Answer 1

I think the height of the back border is up to you. You have a good sized plot for the garden. Usually gardeners graduate rows from tall to medium to low. Ornamental grass would be a standout. Just be warned they are hard to dig and divide when that becomes necessary. Here are some grass options:

https://www.gardeningknowhow.com/garden-how-to/gardening-by-zone/zone-8/zone-8-ornamental-grasses.htm

Of those mentioned, northern sea oats and purple millet can be invasive.