Overview
Perennial Peanut is a low-growing warm-season legume used as a flowering groundcover and low-input lawn alternative. Its dense green mat and yellow pea-shaped flowers perform well in sunny Florida sites where ordinary turf is difficult or unnecessary.
Mature Size and Habit
The foliage normally stays about 4 to 8 inches high and spreads indefinitely through underground rhizomes. It forms a dense carpet rather than a clumping plant. Establishment is slower than sod, but coverage improves as rhizomes knit together.
Best Landscape Uses
Use it on sunny slopes, broad medians, open groundcover beds, utility strips, and low-traffic lawn areas. It also works between widely spaced stepping stones. It is less suitable for formal turf requiring a perfectly uniform year-round appearance.
Sunlight
Full sun gives the thickest cover and strongest flowering. Partial shade reduces density and bloom. Avoid deep shade beneath large trees or north-facing structures.
Soil and Drainage
It performs in sandy Florida soils and tolerates low fertility after establishment. Good drainage matters. Heavy compacted soil, frequent flooding, or continuously wet beds reduce performance and increase decline.
Irrigation
Keep newly planted plugs or sod evenly moist until rhizomes establish. Mature stands tolerate drought but can thin or go dormant during extended dry weather. Deep occasional irrigation is better than daily shallow watering.
Best Planting Season
Install in late spring or summer after the soil warms and before growth slows in fall. Tampa's rainy season helps plants spread, though standing water still harms the root zone.
Pruning and Maintenance
Mow or trim periodically if a lower, more uniform surface is desired. Set equipment high enough to retain foliage. Edge beds because rhizomes cross open boundaries. Weed control is most important during establishment.
Wildlife Value
Yellow flowers supply nectar and pollen to bees and other pollinators. It also protects soil and reduces erosion. Ecological value remains lower than a diverse planting of Florida native groundcovers.
Cold and Heat Sensitivity
Heat drives active growth. Cold weather can cause browning or dormancy in Central Florida, followed by regrowth from rhizomes when temperatures rise. Do not assume winter browning means the planting has died.
Toxicity, Thorns, and Roots
It has no thorns. This ornamental rhizoma peanut does not produce the familiar edible peanut crop and should not be marketed as food. Rhizomes spread firmly through beds but are not known for damaging foundations.
Invasive and Placement Concerns
It is native to South America, not Florida. It is not generally listed as a major Florida invasive, yet its rhizomes spread beyond intended bed lines. Use hard edging and avoid small mixed beds where it would overrun slower plants.
Authoritative Resources
See the UF/IFAS Florida-Friendly Plant Guide and Royal Botanic Gardens, Kew.
Local Delivery
Local delivery only in approved South Tampa ZIP codes. $600.00 minimum plant order. $100.00 flat delivery fee. Ecoscape will contact you to schedule delivery.