Slender Amaranth
Amaranthus viridis
Last reviewed: June 2026
Light
full sun
Water
low
Size
6"–36" H × 6"–12" W
Bloom
May, Jun, Jul, Aug, Sep, Oct
Native to
FL
Browse plants for this ecoregion
Slender amaranth is a fast-growing annual herb that produces small, inconspicuous green flower spikes from late spring through fall. This compact plant typically stays under 3 feet tall with a narrow, upright growth habit.
In an HOA neighborhood
Slender 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.
- Often considered a weed by conventional standards
- Self-seeds readily and can spread
- Very informal appearance doesn't match typical landscaping expectations
Wildlife value
The seeds provide food for small birds and the flowers attract beneficial insects, though it's not a major pollinator plant.
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 Slender Amaranth fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.