Late Boneset / Eupatorium serotinum
A beautiful plant with reddish-purple stems and sprays of small white flowers. An absolute powerhouse pollinator food source - it attracts the most diverse set of insects we see among our plants and serves as a nectar source for migrating Monarch butterflies in the fall.
Seed Planting/Germination Key
Storage: Store in a cool, dry, dark place prior to planting.
Rule of thumb for depth of planting: The maximum depth should generally be half the width of the seed, but many wildflower seeds will germinate well if sown on the surface.
Easy: Generally germinates within 5 to 30 days with no need for cold pretreatment. Keep potting mix or soil consistently moist during the germination period.
Cold(30): Germination rates are higher if cold pretreatment applied either by placing the seed within moist paper towel or sand within a refrigerator for 30 days or outside in late winter.
Cold(60): Germination rates are higher if cold pretreatment applied either by placing the seed within moist paper towel or sand within a refrigerator for 60 days or outside in mid-winter.
Cold(90); Outdoors: Germination rates are higher if cold pretreatment applied either by placing the seed within moist paper towel or sand within a refrigerator for 90 days or outside in late fall or early winter. The best route is to plant these outdoors in either a pot or directly on the soil.
Approximate Seeds Per Packet: 300
Germination: Cold(90); Outdoors
Lifecycle: Perennial
Sunlight: Full, Part
Soil Moisture: Moist, Medium
Height: 6
Bloom Period: August-October
Bloom Color: White
USDA Zones: 3-9
Attracts: Bees, Butterflies
Larval Host For: Clymene Moth, Three-Lined Flower Moth