Top native erectum-group trilliums

7 species, native to the US, ranked by caterpillars, then bees and other hosts, food, flowers and shelter.

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7 native plants

Sun and shade

Light

Part shade 5 Dappled shade 3 Full shade 5

Soil and water

Moisture

Dry 1 Well drained 6 Moist 4

Soil

Sand 1 Loam 3 Clay 1 Organic 6

Soil pH

Acid 4 Neutral 2 Alkaline 1

Toughness

Resists

Form

Habit

Erect 4 Clumping 3 Spreading 2 Arching 1

Plant type

Wildflower 7 Herbaceous perennial 6 Poisonous 3 Perennial 1