Firebush Calusa

Plant Overview

Firebush Calusa (Hamelia patens ‘Calusa’) is a vibrant tropical flowering shrub known for its brilliant red-orange blooms, attractive foliage, and compact, bushy growth habit. This selection of Florida's native firebush features a denser, more manageable form than traditional varieties, with green leaves that develop beautiful reddish and burgundy tones, especially during cooler weather. Its clusters of tubular flowers attract hummingbirds, butterflies, and other pollinators throughout the growing season. Well suited to Florida's warm climate, Firebush Calusa is an excellent choice for flowering hedges, landscape borders, foundation plantings, and wildlife-friendly gardens. Its colorful blooms, heat tolerance, and relatively low-maintenance requirements make it a beautiful addition to residential and commercial landscapes.

Key Plant Characteristics

• Botanical Name: Hamelia patens ‘Calusa’

• Common Names: Calusa Firebush, Firebush Calusa

• Mature Height: Approximately 6–8 feet, depending on growing conditions and pruning

• Mature Spread: Approximately 4–6 feet

• Growth Rate: Fast-growing

• Growth Habit: Dense, rounded, and bushy tropical shrub

• Foliage: Rich green leaves with reddish-bronze tones that may deepen to burgundy during cooler weather

• Flowers: Clusters of slender, tubular red-orange flowers

• Blooming Season: Spring through fall, with nearly year-round flowering possible in frost-free areas

• USDA Hardiness Zones: 9–11, with winter dieback possible in colder regions

• Sunlight Requirements: Full sun to partial shade

• Special Features: Attracts hummingbirds and butterflies, heat-tolerant, drought-tolerant once established, and more compact than traditional Firebush

Plant Care Guide

• Sunlight: Plant in full sun for the most abundant flowering and vigorous growth. Firebush Calusa also tolerates partial shade, although flowering may decrease in locations receiving limited direct sunlight. Approximately 6 hours or more of sunlight daily is ideal.

• Watering: Water regularly after planting to help establish a healthy root system. Once established, Firebush Calusa tolerates occasional dry periods but benefits from supplemental watering during prolonged drought. Allow the upper soil to dry slightly between waterings.

• Soil: Adapts to a variety of well-draining soil types, including Florida's sandy soils. While tolerant of different soil conditions, avoid prolonged waterlogging to maintain healthy roots.

• Fertilizing: Apply a balanced, slow-release fertilizer sparingly during the active growing season if needed. Firebush generally requires minimal supplemental fertilizer when planted in suitable soil.

• Pruning: Lightly prune to maintain a compact, rounded appearance and encourage branching. Calusa naturally grows more densely than standard Firebush, reducing the need for frequent trimming. Avoid excessive pruning during peak flowering periods, as this may remove developing blooms.

• Cold Protection: Thrives in Florida's warm climate but may experience foliage damage or dieback during freezing temperatures. Protect young plants during cold snaps, particularly in North and Central Florida. Established plants may recover from their roots following winter damage.

• Pests & Diseases: Generally resistant to serious pest and disease problems. Occasionally, aphids, scale insects, or spider mites may appear. Maintain good airflow and appropriate watering to promote healthy growth.

• Additional Care Tips: Allow approximately 4–6 feet of space between plants when creating a flowering hedge or mass planting. Apply mulch around the root zone to help retain moisture and moderate soil temperatures. For a pollinator-friendly landscape, pair Firebush Calusa with other flowering plants that provide complementary colors and nectar sources.