Cardinal's Guard
Pachystachys coccinea
Scarlet
About this plant
Pachystachys coccinea, commonly known as Cardinal's Guard, is a tropical shrub admired for its bright red, tubular flowers that attract hummingbirds and butterflies. It has lush green foliage and blooms mainly in warm seasons. This plant is often grown as an ornamental in gardens and greenhouses, adding vibrant color and tropical flair.
Taxonomy
- Genus
- Pachystachys
- Family
- Acanthaceae
- Higher classification
- Order Lamiales
- Plant type
- Shrub
- Lifespan
- Perennial
Origin & Distribution
- Native region
- Central America, South America
- Distribution
- Native to Central and South America; cultivated in tropical and subtropical regions worldwide.
Care
- Light preference
- Partial shade
- Suitable locations
- Indoor, Outdoor, Greenhouse, Balcony
- Preferred window facing
- East-facing, Southeast-facing, South-facing
- Watering frequency
- Moderate
- Watering interval
- 3–7 days
- Humidity
- High
- Minimum
- 10 °C
- Maximum
- 35 °C
- Optimal
- 18-27 °C
- USDA hardiness zones
- 10-12
- Soil pH
- 6.0-7.0 (slightly acidic to neutral)
- Soil type
- well-draining potting mix rich in organic matter
Watering. Water regularly to keep the soil moist but not soggy. Allow the top inch of soil to dry out between waterings to prevent root rot.
Fertilizing. Feed with a balanced, water-soluble fertilizer every 4 to 6 weeks during the growing season (spring and summer). Reduce feeding in fall and winter when growth slows.
Pachystachys coccinea is a moderately easy plant to care for. It prefers warm, humid environments and does well in partial shade. Overwatering can cause root problems, so allow the soil to dry slightly between waterings. Regular pruning helps maintain its shape and encourages blooming.
Propagation
- Propagation methods
- Cuttings, Seeds
- Care difficulty
- Medium
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Bright red tubular flowers, lush green foliage, upright shrub form
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, making it safe for households with children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- Low
Pachystachys coccinea may cause mild skin irritation in sensitive individuals due to contact with its sap. People with plant allergies should handle it with care and wear gloves when pruning. It does not produce airborne pollen that typically triggers allergies.
Common problems
Common problems include leaf yellowing from overwatering and poor drainage, as well as occasional pest issues like aphids or spider mites if air circulation is poor.
Uses
Primarily grown as an ornamental plant for its striking red flowers and attractive foliage. It adds color to gardens, patios, and indoor spaces.
Notes
Prune after flowering to encourage bushier growth and more blooms. Repot every 2-3 years to refresh soil and accommodate growth. Sensitive to cold temperatures below 10°C (50°F).