Croton
Codiaeum variegatum · also called garden croton, variegated croton, Joseph's coat
The croton dazzles with leaves splashed in red, orange, yellow and green. It needs bright light to keep its color and dislikes being moved or chilled.
The croton, Codiaeum variegatum, is grown for its boldly colored, leathery foliage splashed in fiery shades of red, orange, yellow, pink and green, often all on one plant. The leaf shapes vary widely between cultivars, from broad ovals to narrow twisted straps, making it one of the most vividly decorative houseplants available.
Native to tropical Asia and the Pacific islands, the croton is a warmth- and light-loving plant that depends on strong light to develop and hold its brilliant colors. It has a reputation for being temperamental, mainly because it dislikes change: moving it, drafts or sudden temperature swings often trigger dramatic leaf drop. Kept warm, bright and stable, it is a stunning, long-lived plant that brings unmatched color indoors.
How to care for Croton
Light
Give it the brightest light you can, including several hours of direct sun, to bring out its vivid colors. In low light the new leaves come in mostly green and the plant loses its signature variegation. A south or west window is ideal.
Watering
Water when the top inch of soil dries, usually every 7-10 days, keeping it lightly and evenly moist during active growth. It dislikes both drying out fully and sitting wet, so aim for consistency. Reduce watering in winter.
Humidity
Loves high humidity of 50 percent or more; dry air causes leaf drop and brown edges. Use a humidifier or group plants together, especially during the heating season.
Temperature
Keep it consistently warm at 65-80F (18-27C) and avoid temperatures below 60F (16C). It is very sensitive to cold drafts and sudden temperature changes, which trigger leaf drop.
Soil & potting mix
Use a rich, well-draining potting mix with perlite. The mix should hold some moisture while draining freely to keep the roots healthy.
Feeding
Feed every 2-4 weeks in spring and summer with a balanced fertilizer to support its colorful growth. Stop feeding in fall and winter when growth slows.
Pruning & grooming
Prune in spring to shape the plant and encourage bushiness, cutting above a leaf node. Wear gloves, as the milky sap irritates skin, and wash your hands after handling.
Repotting
Repot every 1-2 years in spring when roots fill the pot, moving up one size. Crotons dislike disturbance, so try to keep the root ball intact and expect some leaf drop afterward.
Propagation
Propagate from stem cuttings in spring. Take a 4-6 inch cutting, let the sap dry, then root it in moist soil with warmth and humidity; rooting hormone improves success.
Common Croton problems
- Leaf drop. The classic croton reaction to stress, especially being moved, drafts or temperature swings. Keep its location, warmth and watering stable and it will settle down.
- Faded or green new leaves. Insufficient light is the cause; crotons need strong light to develop their colors. Move it to a brighter spot with some direct sun.
- Spider mites. Crotons are magnets for spider mites in dry air, shown by stippling and webbing. Shower the leaves, raise humidity and treat with insecticidal soap.
Croton FAQ
Why is my croton dropping leaves?
Crotons drop leaves in response to stress, and the most common triggers are being moved to a new location, cold drafts and sudden temperature changes. Newly purchased plants often shed leaves as they adjust to your home. Keep the plant in a stable, warm, bright spot with consistent watering, and the leaf drop should stop as it acclimates.
How do I keep my croton colorful?
Bright light is the key to vibrant croton colors. Without enough light, new leaves emerge mostly green and the plant loses its red, orange and yellow tones. Place it where it gets several hours of direct sun, such as a south or west window, and the foliage will stay brilliantly colored.
Are crotons poisonous?
Yes, crotons are toxic to cats, dogs and people. The milky sap can irritate the skin, and chewing the leaves causes mouth irritation, drooling and vomiting. Wear gloves when pruning and keep the plant out of reach of pets and children.