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From: Oklahoma City, OK
Region: Southwest
Topic: Drought Tolerant, Shade Tolerant, Herbs/Forbs
Title: Shade tolerant Wildflowers for Oklahoma City
Answered by: Brigid & Larry Larson
For low maintenance plants, that are drought tolerant and shade friendly, your best chances are with the native plants that will grow by themselves in your area. Last year was an ugly drought though, so it doesn’t surprise me much that the plants in your raised beds had trouble.
Mr Smarty Plants recommendations come out of the RECOMMENDED SPECIES lists maintained by the LBJ Wildflower Center. This link is to the plants that are native to Oklahoma, and the list has the capability of being sorted for “shade tolerant” and for “herb” as an aspect. I added "herb" because I presume you want flowers or low-growing plants for your beds in your rock garden.
That yielded eleven wildflowers, with many attractive choices. Consider these:
Aquilegia canadensis (Eastern red columbine)
Coreopsis lanceolata (Lanceleaf coreopsis)
Iris cristata (Dwarf crested iris)
Lobelia cardinalis (Cardinal flower)
Phlox divaricata (Wild blue phlox)
Salvia coccinea (Scarlet sage)
Viola pedata (Birdfoot violet)
There are more, of course, and also shrubs or trees if you are looking for larger plants. You didn't mention whether your rock garden tended towards staying moist or dry when watered, this is an important consideration you should include in your choice of plants.
Mr Smarty Plants will leave it to you to consider the colors and the seasons of the blooms!
Enjoy your garden!
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