Candelabra Aloe
Aloe arborescens
Aloe arborescens, commonly known as Candelabra Aloe, is a striking succulent native to Madagascar. Its unique branching structure and vibrant flowers make it a popular choice for gardens and indoor spaces, appreciated for its low maintenance and drought tolerance.
Everything it needs
9 essentials at a glance
Watering
Aloe arborescens prefers to dry out between waterings.
Water deeply every 2-3 weeks during the growing season (spring and summer), and reduce to once a month in fall and winter. Use well-draining soil to prevent root rot. Signs of over-watering include yellowing leaves and mushy stems, while under-watering may cause leaf shriveling and browning.
Light
This plant thrives in full sun but can tolerate partial shade.
Ideally, it should receive 6-8 hours of direct sunlight daily. If grown indoors, place it near a south-facing window to ensure adequate light exposure. Too little light can lead to leggy growth and reduced vigor.
Soil
Aloe arborescens prefers sandy, well-draining soil with a pH of 6.0 to 7.0.
A cactus or succulent potting mix is recommended, often mixed with perlite or coarse sand to enhance drainage. Ensure the pot has drainage holes to prevent water accumulation.
Humidity
This plant prefers low to moderate humidity levels, ideally around 30-50%.
To increase humidity, you can mist the plant occasionally or place it on a pebble tray filled with water. Signs of low humidity stress include leaf curling and browning tips.
Temperature
Aloe arborescens thrives in temperatures between 60-75°F (15-24°C) and can tolerate temperatures as low as 30°F (-1°C) for short periods.
It is best suited for USDA hardiness zones 9-11. Protect it from frost and extreme heat, as prolonged exposure can damage the plant.
Fertilizing
Use a balanced, water-soluble fertilizer with an NPK ratio of 10-10-10 or a diluted cactus fertilizer during the growing season.
Fertilize every 4-6 weeks from spring to early fall. Signs of nutrient deficiency include pale leaves and stunted growth.
Pruning
Prune Aloe arborescens to remove dead or damaged leaves and to maintain its shape.
Use clean, sharp scissors or pruning shears. Deadheading is not necessary, but removing spent flowers can promote a tidier appearance. Prune in early spring before the growing season begins.
Repotting
Repot every 2-3 years or when the plant becomes root-bound, indicated by roots growing out of the drainage holes.
Choose a pot 1-2 inches larger in diameter. Carefully remove the plant from its pot, shake off excess soil, and place it in fresh potting mix. Water lightly after repotting to avoid root rot.
Propagation
Propagation can be done through offsets or leaf cuttings.
For offsets, gently remove the pups from the base of the mother plant and allow them to dry for a day before planting in well-draining soil. For leaf cuttings, cut a healthy leaf, let it callous for a few days, and then plant it in soil. The best time for propagation is during the growing season in spring or early summer.
When it's unhappy
Yellow leaves
Why it happens
Over-watering or poor drainage
How to fix it
Allow the soil to dry out completely and ensure the pot has adequate drainage.
Leaf curling
Why it happens
Under-watering or low humidity
How to fix it
Increase watering frequency and mist the plant to raise humidity levels.
Brown leaf tips
Why it happens
Low humidity or excessive heat
How to fix it
Increase humidity and ensure the plant is not exposed to direct heat sources.
Root rot
Why it happens
Over-watering and poor drainage
How to fix it
Remove the plant from its pot, trim away rotten roots, and repot in fresh, well-draining soil.
Pests (mealybugs, aphids)
Why it happens
Weak plant health or high humidity
How to fix it
Treat with insecticidal soap or neem oil, and improve plant care to enhance its resilience.
Care through the year
Spring
In spring, increase watering frequency as the plant emerges from dormancy. Fertilize every 4-6 weeks to support new growth.
Summer
During summer, ensure the plant receives full sun for at least 6 hours daily. Water regularly, allowing the soil to dry out between waterings.
Fall
In fall, gradually reduce watering as the plant prepares for dormancy. Monitor for pests and continue to provide adequate sunlight.
Winter
In winter, water less frequently, about once a month. Keep the plant in a warm area, away from drafts and cold windows.
Toxicity & Safety
Aloe arborescens is considered mildly toxic to pets and humans. The sap can cause gastrointestinal upset if ingested, leading to symptoms such as nausea and diarrhea. The leaves are the most toxic part, so keep them out of reach of children and pets.
Good to know
Why are my Aloe arborescens leaves turning yellow?
Yellow leaves on Aloe arborescens are often a sign of over-watering or poor drainage. Ensure the soil dries out between waterings and check for drainage holes in the pot.
How often should I water my Aloe arborescens?
Water your Aloe arborescens every 2-3 weeks during the growing season and reduce to once a month in fall and winter. Always allow the soil to dry out completely between waterings.
What type of soil is best for Aloe arborescens?
Aloe arborescens prefers sandy, well-draining soil with a pH of 6.0 to 7.0. A cactus or succulent mix, possibly combined with perlite, is ideal for healthy growth.
Can I propagate Aloe arborescens from cuttings?
Yes, Aloe arborescens can be propagated from offsets or leaf cuttings. Allow cuttings to callous for a few days before planting them in well-draining soil.
What pests affect Aloe arborescens?
Common pests include mealybugs and aphids. Regularly inspect your plant and treat any infestations with insecticidal soap or neem oil.
How do I know when to repot my Aloe arborescens?
Repot your Aloe arborescens every 2-3 years or when you notice roots growing out of the drainage holes. Choose a pot that is 1-2 inches larger in diameter.
What temperature is best for Aloe arborescens?
Aloe arborescens thrives in temperatures between 60-75°F (15-24°C) and can tolerate brief exposure to temperatures as low as 30°F (-1°C).
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