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Broadleaf Tickseed

Silphidium latifolium (sill-FI-dee-um lat-ih-FOE-lee-um)

Family: Asteraceae Native Herbaceous (3-15 ft)

Broadleaf tickseed is a clump-forming perennial wildflower in the aster family native to the southern Appalachians of GA, NC, SC and TN in moist rich woodland areas of middle to lower elevation. The plant can grow to 4 feet tall and has oval leaves up to 8 inches long. The yellow flower heads grow in corymbs and bloom from July to Sept. The plant can spread by rhizomes and is pollinated by bees. Use this plant in a woodland setting at the edges or the interior forests in naturalized areas.

Source: NC State Extension Gardener Plant Toolbox ↗ NC State Extension Gardener Plant Toolbox, 55 attributes.

How it fits the guild

Guild layer 4 - Herbaceous (3-15 ft) Optimal soil pH Acid (<6.0)
See companions & conflicts ↓

Companions & Conflicts

Curated pairwise relationships between this plant and others in the library — who feeds whom, who competes, who confuses the pests. Green reads as a good pairing, red as one to avoid.

No curated interactions recorded for this species yet.

Also noted by NC State

Related species the NC State Plant Toolbox flags for this plant — look-alikes to tell apart, and plants that play a similar role in a planting. Ones we carry in the library are linked.

Full plant profile

Growing Conditions
Plant type
Herbaceous Perennial; Native Plant
Life cycle
Perennial
USDA zones
5a, 5b, 6a, 6b, 7a, 7b
Light
Dappled Sunlight (Shade through upper canopy all day) | Deep shade (Less than 2 hours to no direct sunlight) | Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Soil texture
High Organic Matter
Soil pH
Acid (<6.0)
Soil drainage
Good Drainage | Moist
Available space
12 inches-3 feet
NC region
Mountains
Mature size
Height: 2 ft. 0 in. - 4 ft. 0 in. | Width: 3 ft. 0 in. - 5 ft. 0 in.
Growth rate
Medium
Maintenance
Low
Canopy layer
4 - Herbaceous (3-15 ft)
Form & Appearance
Habit / form
Erect; Spreading
Texture
Medium
Leaf color
Green
Leaf arrangement
Opposite
Leaf shape
Ovate
Leaf margin
Serrate
Leaf feel
Smooth
Leaf size
> 6 inches long, 3-6 inches wide
Hairs present
Yes
Leaf detail
Leaves are opposite, broadly oval with pointed tips and tapering bases. Upperside smooth and a few hairs on the lower surface. Margins are toothed. They are 4-8 inches long and 2-4 inches wide.
Flower color
Gold/Yellow
Flower size
1-3 inches
Flower detail
The 1.5-inch wide flower heads have 5 ray petals and yellow center disc florets with black anthers extending well above the lobes. They bloom July- Sept.
Bloom time
Fall; Summer
Fruit type
Achene
Fruit size
< 1 inch long, < 1 inch wide
Fruit detail
Flattened and ribbed achenes. Displays from August to October
Stem color
Green
Stem detail
Smooth thin green stems
Wildlife & Ecology
Native status
Native
Origin
Southeast USA
Distribution
GA, NC, SC, TN
Wildlife value
Attracts bees to the flowers and birds eat the seeds
Attracts
Bees; Butterflies; Pollinators; Songbirds
Food & Medicine
Harvest time
Fall
Fruit type
Achene
Landscape Use
Landscape location
Naturalized Area; Woodland
Landscape theme
Butterfly Garden; Native Garden; Pollinator Garden
Design feature
Mass Planting
Garden tags
#food source nectar #food source pollen #food source fall #non-toxic for cats #non-toxic for horses #non-toxic for dogs #Audubon #food source hard mast fruit #partial shade tolerant #native wildflower #yellow flowers #naturalized area #summer flowers #NC native #bird friendly #shade garden #NC Native Pollinator Plant #woodland
Problems & Resistance
Disease problems
Southern Blight of Herbaceous Ornamentals

Planted at Hunnicutt

Nobody’s planted this one yet.