Perennial Peanut

Plant Overview

Perennial Peanut (Arachis glabrata) is a low-growing, spreading perennial groundcover known for its cheerful golden-yellow flowers, lush green foliage, and exceptional tolerance for Florida's warm climate. This hardy ornamental plant forms a dense carpet of greenery accented by small, pea-shaped blooms throughout the warmer months. An excellent alternative to traditional turfgrass in low-traffic areas, Perennial Peanut is ideal for landscape beds, garden borders, slopes, and erosion control. Its underground rhizomes help it spread naturally and establish long-lasting coverage. Once established, this drought-tolerant plant requires minimal watering, fertilizing, and mowing, making it an attractive choice for low-maintenance Florida landscaping.

Key Plant Characteristics

• Botanical Name: Arachis glabrata

• Common Names: Perennial Peanut, Ornamental Peanut, Rhizoma Peanut

• Mature Height: Approximately 4–8 inches for low-growing ornamental varieties

• Mature Spread: Spreads continuously through underground rhizomes, forming dense groundcover

• Growth Rate: Moderate during establishment, becoming vigorous once established

• Growth Habit: Low-growing, spreading, mat-forming perennial

• Foliage: Small, oval-shaped green leaflets arranged in groups of four

• Flowers: Bright golden-yellow to yellow-orange, pea-shaped blooms

• Blooming Season: Primarily spring through fall, with abundant summer flowering

• USDA Hardiness Zones: Approximately 8–11, with winter dormancy or foliage dieback in colder areas

• Sunlight Requirements: Full sun to partial shade

• Special Features: Drought-tolerant, low-maintenance, nitrogen-fixing, erosion-controlling, and suitable as a lawn alternative in low-traffic areas

Plant Care Guide

• Sunlight: Plant in full sun for the healthiest growth and most abundant flowering. Perennial Peanut performs best with at least 6 hours of direct sunlight daily but can tolerate partial shade, although flowering may be reduced.

• Watering: Water regularly after planting to support healthy root establishment and encourage spreading. Once established, Perennial Peanut is highly drought-tolerant and generally requires little supplemental irrigation except during extended dry periods.

• Soil: Thrives in well-draining soils, including the sandy, nutrient-poor soils commonly found throughout Florida. Avoid areas with prolonged standing water or consistently saturated conditions.

• Fertilizing: Requires minimal fertilization because it naturally fixes nitrogen through its root system. Nitrogen fertilizer is generally unnecessary, although phosphorus or potassium may be beneficial if a soil test identifies a deficiency.

• Pruning: Regular pruning is not required. Established groundcover may be mowed occasionally to maintain a neat appearance, control height, and encourage fresh growth and additional flowering.

• Cold Protection: Perennial Peanut tolerates seasonal temperature changes but may turn brown or die back above ground following frost or freezing weather. In North and Central Florida, plants typically enter winter dormancy and resume growth as temperatures warm in spring.

• Pests & Diseases: Generally resistant to serious insect pests, nematodes, and common plant diseases. Maintaining well-draining soil and avoiding unnecessary irrigation helps support healthy growth.

• Additional Care Tips: Space plants approximately 12–18 inches apart when establishing groundcover to encourage continuous coverage. Use landscape edging to keep spreading rhizomes within designated planting areas. Perennial Peanut is best suited for locations with limited foot traffic and is particularly effective on slopes, open landscape beds, and areas where reduced lawn maintenance is desired.