Asclepias incarnata (swamp milkweed):
Light: full sun
Soil & Moisture: any soil, tolerates poorly drained and wet areas
Hardiness Zones: 4-9
Height & Spread: 1 m / 3’
Deer-Resistant: yes
Bloom time: mid-late summer
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Asclepias tuberosa ‘Gay Butterflies’ (butterfly weed):
Light: full sun
Soil & Moisture: well-draining, dry
Hardiness Zones: 3-9
Height & Spread: 60 cm / 2’
Deer-Resistant: yes
Bloom time: mid-late summer