Blue Cardinal Flower
Lobelia siphiliticaZones 4 to 9.
Spires of beautiful blue ﬂowers appear in mid- to late summer on this first pick for the best rain garden plants. This lobelia blooms later and tends to live longer than the red cardinal ﬂower, a relative. If your summers can be very hot, give this perennial some shade and place it in the moistest part of your rain gardens.
Why we love it It attracts native birds, bumblebees and hummingbirds. Plus it’s deer-resistant!
Backyard Tip Location is important. Plant rain gardens a minimum of 10 feet from your house and away from mature trees. The roots of established trees can make digging difficult and additional moisture may be harmful to a tree.
Here are the top 10 plants that thrive during a dry period.
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