How to Grow Red Splendor Mirror Plant
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Red Splendor Mirror Plant
Coprosma repens 'Red Splendor'
shrubA vibrant ornamental shrub prized for its striking red and burgundy variegated foliage that intensifies in cool weather and bright light. This cultivar of mirror plant is a compact, evergreen shrub native to New Zealand, valued for its glossy, colorful leaves and ability to thrive in coastal and challenging environments. It makes an excellent accent plant, hedge, or container specimen.
When should you plant Red Splendor Mirror Plant in your zone?
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Example Red Splendor Mirror Plant timeline · Pittsburgh, PA (Zone 6b)
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Plant Red Splendor Mirror Plant
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 Red Splendor Mirror Plant
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; marginally hardy in zone 9a with protection
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Get my Red Splendor Mirror Plant timeline →Growth Stages
Establishment
3-6 monthsYoung transplant with initial green foliage; foliage coloration develops gradually
Plant in spring or early fall; water consistently to encourage root development; provide wind protection if possible; mulch around base
Vegetative Growth
6-18 monthsFoliage intensifies in color to deep red and burgundy, especially in cool season and bright light; compact growth pattern emerges
Water moderately; fertilize with balanced slow-release fertilizer in spring; prune lightly to encourage bushiness; increase sun exposure for best color
Established Shrub
Ongoing (2+ years)Mature plant with full canopy of glossy red-burgundy variegated leaves; small cream and red flowers may appear (inconspicuous)
Reduce watering frequency; cut back or prune in spring to maintain shape and density; drought-tolerant; minimal fertilizer needed
Flowering
Spring to early summer (sporadic)Tiny cream or pale pink flowers appear along stems; not showy but attract some pollinators
Flowers are secondary to foliage; deadheading not necessary; allow flowers to develop if berries desired
Fruiting
Late summer through winterSmall translucent orange-red berries develop after flowering; attractive but not a primary ornamental feature
Berries persist into winter; support pollinator-friendly environment if cross-pollination desired
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity; spray with neem oil or insecticidal soap; avoid over-fertilizing with nitrogen
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Prune affected branches; spray with neem oil or horticultural oil; isolate affected plants
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Prune infested branches; apply horticultural oil spray in dormant season; monitor regularly
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Spray with insecticidal soap; increase air circulation; use yellow sticky traps for monitoring
Uses
Landscape accent and screening
OrnamentalRed Splendor is an excellent choice for adding year-round color to landscapes, creating colorful hedges, screens, or focal points in gardens. Its vibrant foliage stands out against green plantings and remains attractive in all seasons. [source]
Container and indoor display
HouseholdThe compact growth habit and striking foliage make it ideal for containers on patios, balconies, and entryways. Can be grown indoors in bright locations with good air circulation. [source]
Floral design and arrangements
CraftThe glossy, colorful leaves are prized by florists and garden designers for fresh arrangements, bouquets, and decorative displays. The foliage lasts well in arrangements. [source]
Pollinator and bird habitat
WildlifeSmall flowers attract bees and other pollinators; berries provide food for birds and native fauna. Serves as shelter for beneficial insects. [source]
Harvest Tips
Not a harvested plant; grown ornamentally. Prune stems for indoor arrangements or floral design throughout the year. Best foliage color occurs in fall and winter; prune in late winter or early spring to maintain shape and encourage dense growth.
Fun Facts
- 🌱 The common name 'mirror plant' comes from the glossy, reflective leaves that mirror light, creating shimmering effects in the garden.
- 🌱 Red Splendor is native to New Zealand and is salt-tolerant, making it ideal for coastal gardens and windy locations.
- 🌱 The foliage color deepens significantly during cool winter months and bright sunlight—plants grown in shade remain predominantly green, while those in full sun display the most vibrant red and burgundy tones.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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