Hello Yellow Butterfly Flower

Larger flowers than the orange species, and so long-blooming!
Genus: Asclepias
Species: tuberosa
Variety: ‘Hello Yellow’
Item Form: (P) Pkt of 20 seeds
Zone: 3 – 9
Bloom Start to End: Mid Summer – Late Summer
Habit: Upright
Seeds Per Pack: 20
Plant Height: 24 in – 2 ft 6 in
Plant Width: 12 in – 24 in
Bloom Size: 3 in Additional Characteristics: Butterfly Lovers, Flower, Direct Sow, Easy Care Plants, Long Bloomers Bloom Color: Yellow Foliage Color: Medium Green Light Requirements: Full Sun Moisture Requirements: Moist,  well-drained Resistance: Drought Tolerant, Disease Resistant, Heat Tolerant, Humidity Tolerant, Pest Resistant Soil Tolerance: Normal,  loamy, Poor Uses: Beds, Border, Cut Flowers, Fall Color, Ornamental, Outdoor