Riddell's Golden Rod (Solidago riddellii)
Perennial
Seed Count: ~150 seeds
Days to Germinate: 60 days of cold, moist stratification. See: Winter Sowing & Stratification
Depth to Sow: 1/4"
Seed Spacing: When seedlings are 2" high, thin to 1' apart
Color: Yellow
Height: 2'- 4'
Bloom Time: August - October
Sun Exposure: Full sun
Soil Moisture: Wet to medium soil
Soil Type: Well drained, rich soil
Attracts: Yellow-faced bees, Andrenid bees, Sweat bees, Carpenter Bees, Digger bees, Bumblebees, Honeybees, Many butterflies: Monarch, Hairstreak, Painted Lady, songbirds and hummingbirds
Natural Habitat: Wet prairies, fens, shore meadows, marshes on the low ground along and around lakes
Drought Tolerance: High
Deer Resistance: High
Larval Host: goldenrod Hooded Owlet moth, Brown-Hooded Owlet moth, Camouflaged Looper moth, Common Pug moth, Striped Garden moth, Goldenrod Gall moth
Native Zone: AR, IA, IL, IN, KS, MI, MN, MO, ND, OH, OK, PA, SD, WI
Pure Live Seed (PLS) Viability Value: 89.94%
Description:
The bright yellow flowerheads have a shallow, dome-shape that is about 2–7" across. Also known as "flat-headed goldenrod." As a late nectar producer, Riddell's Goldenrod is important to migrating Monarchs and other late season pollinators. Its seeds are good food for birds.
info from www.illinoiswildflowers.info