Answer: Here is a list of perennials that I have in my yard that receive full sun all day long during those hot dry days of summer. Each of these go well with the others. They require little water each week and will bloom from late spring to late fall.
For the back of your full sun garden place Broadleaf Purple ConeFlowers. The purple coneflowers will grow to 3 to 4 foot tall and you can place different varieties, white coneflowers or even Black Eyed Susans, which is another variety of the coneflower. Adding multiple colors of the coneflower will add visual interest. And the birds love to eat the seeds after it is done blooming. It is very interesting to see birds land on the big seed heads and begin to get their fill of the seeds.
Also in the back place Russian Sage Even though each stem is thin, the plant is beautiful in full bloom and requires the same simple care the coneflowers require. Just a little water each week and these plants are happy.
Many people like the Day Lily which we all know seems to grow anywhere. It definitely will grow in our hot dry section of the sun loving perennial garden. The Day Lily comes in multiple colors, varying heights and different flower sizes. My wife feels the day Lily is over done in most gardens, but truthfully it adds interest and color to your back yard garden.
Salvia has a beauty and charm all its own. I am amazed how long a blooming season it gives me each summer. It starts in late spring and will bloom to seed. But a few minutes cutting the seed tops and then in a couple of weeks it starts to bloom all over again. The Salvia is a real work horse and is a favorite of butterflies.
Another classic hot, dry, sun loving perennial is the Catmint. It will be nice to you even if you forget to water it and requires minimal care each summer. The blue (lavendar) flowers show a nice soft color in your summer garden. Place it near the border or walkway as that way you can enjoy the wonderful fragrance of the Catmint.
Best wishes with your garden!
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