cordyline
Cordyline
Evidence-based care guide for Cordyline (Cordyline). Covers symptom diagnosis and disease treatment. Our analysis draws from 3 verified community cases with an average confidence score of 80%. Each protocol is synthesized from real rescue outcomes, not generic advice.
Care Essentials
Get to Know Your Cordyline
The #1 killer? Overwatering. Let the soil dry between waterings and your Cordyline will thrive.
Light
medium to bright indirect
Most comfortable in medium to bright indirect light. Avoid prolonged direct sun exposure.
💡 Grow lights: Thrives under artificial grow lights (LED or fluorescent, 10-12 hours/day). A great option if your space lacks natural light.
Watering
every 10-14 days
Let the soil dry out significantly between waterings — this plant is very sensitive to overwatering. When in doubt, wait another day.
Humidity & Temperature
Appreciates some humidity but adapts to average home conditions. Brown tips in winter? Your air might be too dry — a light misting helps.
Standard room temperature (60-80°F / 15-27°C) is perfect. Avoid cold drafts and sudden temperature swings.
Soil
Standard well-draining potting mix works well. Add perlite for extra drainage if you tend to overwater.
Care Requirements
At a Glance
Care Profile in Development
While our detailed care profile is being compiled, you can find specific care guidance in the 0 care-related diagnoses below — including watering schedules, light requirements, and propagation methods from real-world cases.
Start Here
Most Common Problems
Based on 3 analyzed cases — these are the issues you're most likely to encounter
Don't see your symptom? Search all 3 topics below, or run the Diagnostic.
Why do my Cordyline leaves have brown tips?
Cordyline (ti plant) is listed among houseplants that are sensitive to...
Why does my Cordyline have root rot?
Cordyline dislikes having its roots sit in cold, saturated compost: when plants...
Why is my Cordyline dropping leaves?
Although mature Cordyline terminalis (ti plant) specimens naturally shed their...
Which of the 7 Killers
is threatening your plants?
We use Plant Grail problem records — root rot, mites, light, humidity — to rank which failures show up most. Answer 5 questions and we'll tell you which ones match your setup.
Skip the quiz — get The 7 Killers course ($19) →Question 1 of 5
How do you decide when to water your plants?
Question 2 of 5
Where do most of your plants live?
Question 3 of 5
What's your home environment like?
Question 4 of 5
Have you lost a plant in the last 6 months?
Question 5 of 5
How often do you check your plants for pests?
Your diagnosis is ready
We've identified your top 2 risk killers. Enter your email to see the full breakdown and your personalized rescue protocol.
Your plants are most at risk from:
The 7 Killers mini-course covers mechanism, rescue protocol, and prevention for the failure classes that show up most in Grail. 7 lessons. $19.
Get The 7 Killers — $19 →Get the Plant Mortality Checklist
Root rot is the largest named failure class in Plant Grail. Free PDF of the failure map and what to check first.
Your checklist is ready!
We also sent it to your inbox. Check your email for the full download.
Open the ChecklistFree. No spam. Unsubscribe anytime.
Verified Data
All Diagnoses
3 topics consolidated from 3 documented cases. Expand any topic to see all protocols.
Symptoms (1 topics · 1 cases)
Why do my Cordyline leaves have brown tips?
Cordyline (ti plant) is listed among houseplants that are sensitive to fluoride, which is often added to public water supplies, and the most common symptom of fluoride sensitivity is browning leaf tips; fluctuating soil moisture and erratic fertilization can produce the same symptom
80%
Why do my Cordyline leaves have brown tips?
Cordyline (ti plant) is listed among houseplants that are sensitive to fluoride, which is often added to public water supplies, and the most common symptom of fluoride sensitivity is browning leaf tips; fluctuating soil moisture and erratic fertilization can produce the same symptom
Cause
Cordyline (ti plant) is listed among houseplants that are sensitive to fluoride, which is often added to public water supplies, and the most common symptom of fluoride sensitivity is browning leaf tips; fluctuating soil moisture and erratic fertilization can produce the same symptom.
Solutions
- Switch to distilled water or collected rainwater, which is the ultimate solution for plants sensitive to fluoride, and stop using fluoridated tap water for routine watering.
- Place pinches of lime on the surface of the pot every few months to raise the soil pH and make residual fluoride more soluble, then flush the pot periodically to leach built-up salts and fluoride from the root zone.
Prevention
Mist the ti plant every day or so to raise humidity around the long, strap-shaped leaves, because this plant can suffer badly in extremely dry air, and keep the soil at moderate even moisture so roots stay lightly moist without drying out and then flooding.
Diseases (1 topics · 1 cases)
Why does my Cordyline have root rot?
Cordyline dislikes having its roots sit in cold, saturated compost: when plants are left standing in water for long enough, the soil stays damp and the roots begin to rot, and overpotting into a container that is too large produces a pot of few roots surrounded by a smelly mass of goo that suffocates the remaining root system
80%
Why does my Cordyline have root rot?
Cordyline dislikes having its roots sit in cold, saturated compost: when plants are left standing in water for long enough, the soil stays damp and the roots begin to rot, and overpotting into a container that is too large produces a pot of few roots surrounded by a smelly mass of goo that suffocates the remaining root system
Cause
Cordyline dislikes having its roots sit in cold, saturated compost: when plants are left standing in water for long enough, the soil stays damp and the roots begin to rot, and overpotting into a container that is too large produces a pot of few roots surrounded by a smelly mass of goo that suffocates the remaining root system.
Solutions
- Empty the plant's saucer 15 to 30 minutes after each watering so the root ball never sits in standing water, and shift up only one pot size at a time when repotting ti plant (Cordyline terminalis), which prefers to be potbound and resents disturbance.
- If overpotting has already occurred, lift the plant, wash all of the soil from the roots, cut off the dead or damaged roots, and repot into a smaller container using a good-quality light potting soil that drains well.
Prevention
Use any good potting soil that drains well, water only when the surface begins to dry so roots stay lightly moist rather than waterlogged, and repot ti plant only every two years in spring, keeping even tall specimens in relatively small pots.
Other Topics (1 topics · 1 cases)
Why is my Cordyline dropping leaves?
Although mature Cordyline terminalis (ti plant) specimens naturally shed their lowest leaves as they gain height and develop a sturdy trunk, accelerated leaf drop in this tropical species is driven by the dry indoor air that this plant cannot tolerate and by an abrupt change of environment that stresses the slender, strap-leaved stalk
80%
Why is my Cordyline dropping leaves?
Although mature Cordyline terminalis (ti plant) specimens naturally shed their lowest leaves as they gain height and develop a sturdy trunk, accelerated leaf drop in this tropical species is driven by the dry indoor air that this plant cannot tolerate and by an abrupt change of environment that stresses the slender, strap-leaved stalk
Cause
Although mature Cordyline terminalis (ti plant) specimens naturally shed their lowest leaves as they gain height and develop a sturdy trunk, accelerated leaf drop in this tropical species is driven by the dry indoor air that this plant cannot tolerate and by an abrupt change of environment that stresses the slender, strap-leaved stalk.
Solutions
- Mist the ti plant every day or so to raise humidity around the foliage, because the plant can suffer badly in extremely dry air, and group it with other tropicals or run a small humidifier nearby during winter when heating strips moisture from the room.
- Move the plant into bright light that includes up to 4 hours of sun daily to keep variegation patterns pronounced, then leave it in place once positioned because sudden changes of location cause additional leaf drop.
Prevention
Hold ti plant in a warm room (60 to 85F) with above-average humidity year-round, keep the long, strap-shaped leaves clean with regular misting, and avoid relocating the plant once it has settled into a suitable bright, humid spot indoors.
Common Questions
Frequently Asked Questions
Why does my cordyline have Brown tips?
Cause: Cordyline (ti plant) is listed among houseplants that are sensitive to fluoride, which is often added to public water supplies, and the most common symptom of fluoride sensitivity is browning leaf tips; fluctuating soil moisture and erratic fertilization can produce the same symptom.
Solution: Switch to distilled water or collected rainwater, which is the ultimate solution for plants sensitive to fluoride, and stop using fluoridated tap water for routine watering.
Prevention: Mist the ti plant every day or so to raise humidity around the long, strap-shaped leaves, because this plant can suffer badly in extremely dry air, and keep the soil at moderate even moisture so roots stay lightly moist without drying out and then flooding.
80% confidence · View full protocol →
Why does my cordyline have Root rot?
Cause: Cordyline dislikes having its roots sit in cold, saturated compost: when plants are left standing in water for long enough, the soil stays damp and the roots begin to rot, and overpotting into a container that is too large produces a pot of few roots surrounded by a smelly mass of goo that suffocates the remaining root system.
Solution: Empty the plant's saucer 15 to 30 minutes after each watering so the root ball never sits in standing water, and shift up only one pot size at a time when repotting ti plant (Cordyline terminalis), which prefers to be potbound and resents disturbance.
Prevention: Use any good potting soil that drains well, water only when the surface begins to dry so roots stay lightly moist rather than waterlogged, and repot ti plant only every two years in spring, keeping even tall specimens in relatively small pots.
80% confidence · View full protocol →
Why does my cordyline have Leaf drop?
Cause: Although mature Cordyline terminalis (ti plant) specimens naturally shed their lowest leaves as they gain height and develop a sturdy trunk, accelerated leaf drop in this tropical species is driven by the dry indoor air that this plant cannot tolerate and by an abrupt change of environment that stresses the slender, strap-leaved stalk.
Solution: Mist the ti plant every day or so to raise humidity around the foliage, because the plant can suffer badly in extremely dry air, and group it with other tropicals or run a small humidifier nearby during winter when heating strips moisture from the room.
Prevention: Hold ti plant in a warm room (60 to 85F) with above-average humidity year-round, keep the long, strap-shaped leaves clean with regular misting, and avoid relocating the plant once it has settled into a suitable bright, humid spot indoors.
80% confidence · View full protocol →
Common Questions
Frequently Asked About Cordyline
What problems can Cordyline get?
Our database contains 3 documented Cordyline cases covering 3 distinct topics, including diseases, pest identification, environmental stress, propagation, and advanced care protocols — each with verified solutions.
Structured Learning
Ready to Go Deeper?
Explore our Mastery Packs for structured, video-based learning with step-by-step protocols from 20,000+ analyzed plant cases.
Browse All Courses →