How to Grow Red Cordyline
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Red Cordyline
Cordyline australis 'Atropurpurea'
shrubA striking foliage shrub native to New Zealand, prized for its dramatic deep burgundy to purple-red sword-like leaves that create a bold architectural accent in gardens and containers. This evergreen cultivar of Cordyline australis grows as a multi-stemmed small tree or large shrub, reaching 8-15 feet tall with a tropical appearance. It's valued for year-round color and dramatic contrast in mixed plantings.
When should you plant Red Cordyline in your zone?
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Example Red Cordyline timeline · Pittsburgh, PA (Zone 6b)
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Plant Red Cordyline
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 Cordyline
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 survive zone 9a with winter protection
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Establishment
3-6 monthsYoung plant with compact rosette of deep purple leaves, slow to moderate growth rate, often single-stemmed initially
Keep soil consistently moist but not waterlogged; provide bright light; protect from harsh winds; fertilize lightly monthly during growing season
Vegetative Growth
6-18 monthsPlant develops multiple stems and increases in height; leaves maintain rich burgundy color; foliage becomes denser and fuller
Maintain moderate watering; apply balanced fertilizer monthly spring through summer; remove any weak or damaged growth; provide wind protection
Branching & Structure
OngoingPlant begins developing branch framework; mature leaves reach full size (12-24 inches long); architectural form becomes more distinct
Thin crowded growth for better air circulation; can prune to shape desired form; reduce nitrogen-heavy feeding to encourage branching over leaf production
Flowering
4-8 weeksMature plants produce tall panicles of small fragrant creamy-white or pale lavender flowers above the foliage, typically in late spring to early summer
Flowering indicates plant maturity; deadhead flowers if seed production is not desired; continue regular care schedule; flowers attract pollinators
Mature Plant
Indefinite; can live 20+ yearsFully developed shrub/small tree maintaining year-round deep purple foliage; established deep root system; hardy and drought-tolerant
Minimal pruning needed unless desired for size control; light feeding in spring; remove dead leaf bases for cleaner appearance; monitor for pests in warm climates
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity; spray foliage with water; use neem oil or insecticidal soap if infestation occurs; ensure adequate air circulation
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Inspect regularly, especially new growth; remove with rubbing alcohol on cotton swabs; apply insecticidal soap or neem oil for severe infestations
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Remove manually with brushing; apply horticultural oil spray during dormant season or insecticidal soap during active growth
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Ensure excellent drainage; avoid overwatering; use well-draining soil mix; remove affected plant material; improve air circulation
Uses
Ornamental Focal Point
HouseholdThe dramatic deep purple foliage serves as a striking architectural accent in gardens, providing year-round color and dramatic contrast against green plants and hardscaping. Excellent as a specimen plant, in mixed borders, or as a bold container plant for patios and tropical-themed landscapes. [source]
Floral Arrangements
CraftMature sword-like leaves can be harvested for use in contemporary floral arrangements and tropical designs. The deep purple color lasts well and creates striking textural contrast. [source]
Pollinator Support
WildlifeFragrant flowers attract bees and other pollinators, providing a food source in late spring and early summer. Provides shelter and nesting sites for birds. [source]
Container Growing
HouseholdWell-suited to large container cultivation on patios, balconies, and conservatories in cooler climates. Can be moved indoors in winter in colder zones. [source]
Tropical & Contemporary Garden Design
HouseholdCreates a tropical or exotic garden aesthetic in warm climates. Works well in modern, Mediterranean, xeriscape, or contemporary landscape designs. [source]
Harvest Tips
Not typically harvested for consumption. Can remove mature leaves as needed for arrangements or propagation. Collect seeds from flower panicles after flowers fade if desired for propagation. Remove dead or damaged foliage at any time.
Fun Facts
- 🌱 The genus Cordyline comes from the Greek word 'kordyle' meaning 'club' or 'rounded knob,' referring to the tuberous rhizomes of some species.
- 🌱 The 'Atropurpurea' cultivar's deep purple coloration is enhanced by full sun exposure and can fade to burgundy-bronze in shade.
- 🌱 In its native New Zealand, Cordyline australis is known as 'Ti' and has cultural significance to the Māori people, traditionally used for food, medicine, and ceremonies.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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