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Justicia californica

Chuparosa or Hummingbird Bush

What is Chuparosa?

Chuparosa (Justicia californica), also known as Hummingbird Bush or Beloperone, is a drought-tolerant evergreen shrub native to the American Southwest and northern Mexico. Landscape designers and homeowners choose Chuparosa for its vibrant red-orange tubular flowers, exceptional ability to attract hummingbirds, and proven performance in hot, arid climates. This desert native thrives in xeriscaped gardens, wildlife gardens, and water-wise landscape designs throughout the Southwest.

How Big Does Chuparosa Grow?

Chuparosa forms an upright, arching shrub reaching 3-6 feet tall and 4-6 feet wide at maturity. The graceful, spreading growth habit features slender stems adorned with small, glossy green leaves that create an airy, delicate texture in the landscape. The plant remains evergreen in warmer climates (zones 8-11), providing year-round structure and interest. With moderate growth rate, Chuparosa fills in landscape beds within 2-3 seasons, making it reliable for filling gaps, creating screens, or establishing mass plantings in desert gardens.

What Do Chuparosa Flowers Look Like?

Chuparosa produces abundant tubular, red-orange flowers that bloom profusely from spring through summer, with sporadic flowering into fall. The vibrant scarlet-orange blossoms measure 1-2 inches long and appear in clusters along the stems, creating spectacular color displays that stand out dramatically against the green foliage. These striking flowers persist for several weeks during peak bloom season, providing continuous nectar sources for pollinators. The tubular flower shape is specifically adapted for hummingbird feeding, making this one of the most important hummingbird plants in southwestern landscapes.

Where Should You Plant Chuparosa?

Plant Chuparosa in full sun to partial shade locations, though it produces more abundant flowers in brighter light with 6-8 hours of direct sunlight daily. Well-draining soil is essential for long-term health and performance. Chuparosa excels in desert landscapes, xeriscape gardens, wildlife and pollinator gardens, native plant gardens, mixed shrub borders, naturalized desert plantings, hummingbird gardens, roadside plantings, slope stabilization projects, and water-wise commercial landscapes throughout USDA zones 7-11. In colder climates (zone 7), plant in protected locations against south-facing walls for winter protection.

How Much Water Does Chuparosa Need?

Once established (typically 6-12 months), Chuparosa displays excellent drought tolerance and requires minimal supplemental irrigation. During establishment, water deeply every 5-7 days to encourage strong root development. Mature plants benefit from occasional deep watering every 2-3 weeks during prolonged dry spells to promote vigorous flowering and healthy growth. Avoid frequent shallow watering or overwatering which can cause root rot and moisture-related issues. Chuparosa thrives on natural rainfall in many desert locations, making it ideal for sustainable low-water landscapes.

How Do You Prune and Maintain Chuparosa?

Chuparosa is relatively low-maintenance and easy to care for in appropriate conditions. Prune lightly after main bloom season to maintain compact shape and encourage bushier, fuller growth. Remove dead, damaged, or crossing branches as needed to improve air circulation and plant health. Chuparosa responds well to periodic rejuvenation pruning - cut back by one-third every few years to refresh the plant and promote vigorous new growth. In colder climates (zone 7-8), plants may die back to the ground in winter but typically resprout from roots in spring. No fertilizer is necessary for healthy growth.

Does Chuparosa Attract Hummingbirds?

Chuparosa is one of the best hummingbird plants for southwestern gardens, earning its common name "Hummingbird Bush." The abundant tubular red-orange flowers are irresistible to hummingbirds and provide critical nectar sources from spring through fall. Hummingbirds visit frequently throughout the day during bloom season, creating constant movement and activity in the garden. The flowers also attract butterflies, native bees, and other beneficial pollinators, supporting biodiversity. Dense branching provides shelter, nesting sites, and habitat for birds and other wildlife, enhancing ecological value in developed landscapes.

How Do You Use Chuparosa in Landscape Design?

Landscape architects and designers specify Chuparosa for versatile applications: focal point specimens in wildlife gardens, colorful informal hedges and screens, mass plantings for dramatic impact, mixed shrub borders with other drought-tolerant plants, back of border placements for height and structure, naturalized desert landscape plantings, pollinator and hummingbird garden essentials, foundation plantings with seasonal interest, slope and erosion control installations, and low-maintenance commercial landscapes. The graceful arching form and vibrant flowers work effectively in both naturalistic and designed settings.

What is the Cultural and Medicinal Significance?

Indigenous peoples and traditional communities in the Southwest have valued Chuparosa for its medicinal properties for generations. Various plant parts have been used in traditional herbal medicine to treat respiratory conditions, coughs, skin irritations, and other ailments. The plant holds cultural importance in native healing practices and represents traditional ecological knowledge of desert plant uses. While not used for culinary purposes, Chuparosa continues to be valued in ethnobotanical contexts and demonstrates the historical relationship between southwestern communities and native desert plants.

What Problems Can Affect Chuparosa?

Chuparosa is generally pest and disease-resistant when planted in appropriate conditions with good drainage. The primary challenge is root rot caused by overwatering or poor drainage - always plant in well-draining soil and avoid excessive irrigation. In colder climates (zones 7-8), frost and freezing temperatures may cause dieback, though plants typically resprout from roots in spring. Provide winter protection by planting near warm south-facing walls or covering during severe freezes. Chuparosa may become sparse and leggy without occasional pruning but responds well to rejuvenation cuts.

Why Choose Chuparosa for Your Landscape Project?

Chuparosa delivers exceptional performance as a cornerstone plant for southwestern wildlife and xeriscape gardens. This reliable native shrub combines vibrant red-orange flowers that bloom for months, exceptional hummingbird attraction unmatched by most plants, proven drought tolerance once established, evergreen interest in warm climates, moderate size suitable for various spaces, minimal maintenance requirements, excellent heat tolerance, and strong cultural and ecological significance. For landscape professionals seeking a sustainable, low-water shrub that provides both visual impact and critical wildlife habitat, Chuparosa represents an essential specification choice for residential, commercial, and municipal projects throughout the Southwest and warm regions.

FAMILY

Acanthaceae

MATURE HEIGHT

5 to 8 ft

GROWTH HABIT

Justicia californica, commonly known as chuparosa or hummingbird bush, is a sprawling, open, and rangy broadleaf deciduous or semi-evergreen shrub that typically grows to a height of 3 to 6 feet, with a potential spread of up to 6 to 12 feet. The plant has a moderate growth rate and features slender, arching, gray-green stems which are somewhat succulent and perform most of the photosynthesis for the plant. It is generally sparsely-leaved or nearly leafless for much of the year, dropping its small, ovate leaves during periods of severe drought or cold to conserve moisture. The plant's form can be described as informal or "unkempt" and may require occasional pruning to maintain a denser shape. This hardy, drought-tolerant desert native thrives in full sun and well-drained, rocky or sandy soils.

WATER REQUIREMENT

Drought Tolerant

HARDY TO

20°F

NATIVE REGION

Arizona, California, and Mexico

TYPE

Shrub

SOIL TYPE

Justicia californica thrives in native desert habitats with poor, dry, and rocky soil, specifically in gravelly washes and on rocky slopes of the Sonoran Desert. The key characteristic is excellent drainage to prevent root rot, as the plant cannot tolerate wet conditions. It is highly adaptable to various soil textures, including sand, loamy sand, and sandy loam, and can tolerate a wide pH range from acidic to neutral to alkaline (6.0 to 8.5). The plant performs best in a full sun location in these well-drained, often nutrient-poor, soils.

MAINTENACE TIPS

Once established, Justicia californica is a low-maintenance, drought-tolerant shrub that requires minimal care. Water established plants approximately once or twice a month, or just enough to prevent wilting, allowing the soil to dry out between waterings. Overwatering can lead to rangy growth and fewer blooms, so err on the side of underwatering. Fertilization is generally unnecessary, as the plant is adapted to poor desert soils, but a light application of organic fertilizer can be made once a year if desired. The plant is pest- and disease-resistant, making it excellent for beginner gardeners.

ELEVATION

to 4000 feet

4 to 6 ft

MATURE WIDTH

LEAF SHAPE

Justicia californica (Chuparosa) has simple, deciduous leaves that are generally small, ranging from 0.25 to 1 inch (6.3 to 25 mm) long. The leaves are typically ovate (egg-shaped), triangular, or somewhat rounded, and are gray-green in color with fine, soft hairs (pubescence). An important characteristic is that the plant is drought-deciduous, meaning it often drops its leaves during dry periods or cold weather, performing much of its photosynthesis through its succulent green stems.

FLOWER COLOR

Red-Orange, sometimes yellow

FLOWER CHARACTERISTICS

Justicia californica, commonly known as chuparosa, produces tubular red or yellow flowers with distinct two-lobed upper and three-lobed lower lips, which are rich in nectar and attract pollinators like hummingbirds. This deciduous shrub is native to the desert Southwest and has sparse, succulent leaves, but is often leafless during its main blooming season which occurs from fall through spring and summer. It grows best in full sun and sandy, rocky soils, and is very drought-tolerant once established.

FRUIT/SEED

The Justicia californica produces a fruit classified as an elongated, club-shaped capsule, typically measuring ½ to ¾ inches (1.5-2 cm) long with an inflated tip. The capsule dehisces (splits open) to release its seeds. Each capsule contains four seeds, which are rounded, small, and characteristically mottled. Propagation is easily achieved from these seeds, which do not require any special pretreatment for germination.

SUN EXPOSURE

Full Sun

POLLINATORS

Justicia californica, commonly known as chuparosa or hummingbird bush, is a significant wildlife plant, primarily known for its essential relationship with hummingbirds. The plant's red, tubular flowers have co-evolved to be the perfect shape for hummingbirds' long bills, which are the primary and most efficient pollinators of the plant as they feed on the rich nectar. Beyond hummingbirds, the flowers also attract other pollinators, including bees and various species of butterflies, such as the Tiny Checkerspot, Texas Crescent, and Pearl Crescent, for which it also serves as a larval host plant. Linnets and sparrows have also been observed eating the flowers for their sweet nectar.

PRUNING TIPS

Pruning is beneficial for maintaining the shrub's shape and encouraging healthy, new growth, where the flowers appear. The best time to prune is in the spring, after the danger of frost has passed, to remove any winter-damaged or dead stems. The plant can become leggy and sprawling; you can cut back the foliage by up to one-third of its size or perform hard, rejuvenating pruning every few years to restore its form and increase flower production.

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