How to Grow Mirror Plant 'Red Splendor'
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Mirror Plant 'Red Splendor'
Coprosma repens 'Red Splendor'
shrubA vibrant, compact evergreen shrub prized for its glossy, mirror-like foliage with striking red and bronze coloration. Native to New Zealand, this ornamental cultivar adds dramatic color and texture to landscapes year-round. It's commonly used as a hedge, screen, or accent plant in subtropical and temperate gardens.
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Example Mirror Plant 'Red Splendor' timeline · Pittsburgh, PA (Zone 6b)
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Plant Mirror Plant 'Red Splendor'
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Mirror Plant 'Red Splendor'
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-11; can tolerate zone 9a with protection
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Establishment
4-8 weeksYoung transplant with initial foliage establishing root system. Leaves may be smaller and less intensely colored.
Water consistently without allowing waterlogging. Provide afternoon shade in very hot climates. Avoid fertilizer stress; use gentle, dilute applications.
Vegetative Growth
3-6 monthsRapid shoot and foliage development with characteristic glossy, mirror-like leaves. Red and bronze coloration begins to intensify with maturity.
Prune lightly to encourage bushier growth. Apply balanced fertilizer monthly during growing season. Ensure consistent moisture.
Foliage Development
6-12 monthsMature, full-bodied shrub with dense, vibrant red-bronze foliage. Plants reach ornamental size with strong color expression.
Prune as needed for shape and size control. Increase sun exposure to maximize red coloration. Reduce nitrogen to avoid excess green growth.
Flowering & Fruiting
Spring; fruit persists through summerProduces small, inconspicuous greenish-white flowers, followed by small orange-red drupes on female plants.
Flowering is secondary to foliage display. Allow some fruit to develop for wildlife benefit. Prune spent flowers if desired.
Mature Plant
Ongoing, 2-3+ yearsWell-established shrub with consistent color, density, and form. Reaches 2-3 feet tall and wide at maturity.
Maintain with occasional pruning. Reduce watering slightly in winter. Monitor for pests. Fertilize lightly in spring.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; use neem oil or miticide if severe. Increase humidity and avoid water stress.
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Prune heavily infested branches. Apply horticultural oil spray in dormant season or use insecticidal soap.
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Spray with insecticidal soap or neem oil. Use yellow sticky traps for monitoring.
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Remove with rubbing alcohol on cotton swab for small infestations. Use neem oil or systemic insecticide for severe cases.
Uses
Hedging and Screening
OrnamentalExcellent for creating colorful privacy hedges, screens, and windbreaks. The dense foliage and attractive coloration make it superior to many traditional hedge plants. Can be pruned formally or left informal. [source]
Accent and Specimen Planting
OrnamentalStriking red-bronze foliage makes it a dramatic focal point in mixed borders and containers. Works well in xeriscaping and low-water landscapes once established. [source]
Wildlife Support
WildlifeSmall orange-red fruits attract native birds and beneficial insects. Dense foliage provides shelter and nesting habitat for birds and small creatures. [source]
Cut Foliage and Arrangements
HouseholdGlossy, colorful branches are prized by florists and designers for fresh and dried arrangements, bringing long-lasting color to indoor displays. [source]
Traditional Maori Medicine
MedicinalCoprosma species have been used in traditional Maori healing practices; related species contain compounds studied for potential antimicrobial and anti-inflammatory properties. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Coprosma 'Red Splendor' is an ornamental plant, not typically harvested for food or material. Prune branches for arrangement or cuttings in spring or early summer when growth is vigorous. Take 3-4 inch semi-hardwood cuttings for propagation; treat with rooting hormone and keep in humid conditions.
Fun Facts
- 🌱 The common name 'Mirror Plant' refers to the exceptionally glossy, reflective leaf surface, which acts almost like a natural mirror. This waxy coating also helps reduce water loss in hot, dry conditions.
- 🌱 Coprosma repens is native to New Zealand and is culturally significant to the Maori people, who call it 'karamu' and have used it traditionally for food, shelter, and medicine.
- 🌱 The 'Red Splendor' cultivar's color intensity is directly influenced by light exposure and temperature; cooler temperatures and full sun intensify the red-bronze pigmentation, while shade causes the foliage to revert toward green.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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