Roughfruit Amaranth
Amaranthus tuberculatus
Last reviewed: June 2026
Light
full sun
Water
medium
Size
24"–80" H × 12"–36" W
Bloom
Jun, Jul, Aug, Sep
Native to
AL, AR, CT, IA and 22 more states
Pollinators
beetles
Browse plants for this ecoregion
Roughfruit amaranth is a tall annual wildflower that produces dense clusters of small greenish flowers from summer through early fall. This native plant can reach impressive heights but may appear weedy to some observers due to its coarse texture and informal growth habit.
In an HOA neighborhood
Roughfruit Amaranth takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Very tall growth appears weedy
- Coarse texture lacks ornamental appeal
- May be mistaken for agricultural weed
Wildlife value
The long blooming period provides nectar for beetles and other small pollinators throughout the growing season. Seeds are valuable food for birds in late summer and fall.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Roughfruit Amaranth fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.