Top native Sciadorhodion
4 species, native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.
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Pinkshell Azalea Rhododendron vaseyi caterpillars 27 bees 1 food 4 flowers 55
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Minniebush
Rhododendron pilosum
caterpillars
26
bees
1
food
4
flowers
52
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Mock Azalea
Rhododendron menziesii
caterpillars
19
food
2
flowers
37
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White-flowered Rhododendron
Rhododendron albiflorum
caterpillars
19
food
2
flowers
36