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Advanced Toxic to pets

Croton

Codiaeum variegatum

Leathery leaves splashed in red, orange, and yellow - one of the most colorful houseplants you can grow, and one of the most demanding about light and stability.

Photograph of Croton (Codiaeum variegatum) Photo: Annie Spratt / Unsplash
Care specs

What this plant actually wants.

Light Bright indirect to some direct 5,000 – 10,000 lux
Water Every 7 days (top 3cm dry)
Humidity 50%+ ideal, struggles below 40%
Temperature 18–27 °C, hates cold drafts and sudden swings
Fertilise Every 4–6 weeks in spring and summer
Origin Southeast Asia and Pacific islands
In your home

Best window: South or west-facing, close to the glass.

This is the general recommendation. When you map your actual windows in Planterra, the app compares each one against this plant's lux range and tells you which of your specific spots are best - accounting for depth from the glass, obstructions, and how the light shifts by season.

See how sun mapping works
Common problems

What usually goes wrong.

Leaves fading to plain green

Not enough light. Croton's color comes directly from light exposure - in dim spots the vivid red, orange, and yellow patterning fades toward plain green.

Sudden leaf drop after a move

Croton is notoriously sensitive to change - a new location, a draft, or even a big temperature swing can trigger leaf drop. Pick one bright, stable spot and avoid moving it once it's settled.

Yellow, wilting lower leaves

Usually overwatering. Let the top few centimetres dry out between waterings and check the pot drains well.

Brown, crispy leaf tips

Low humidity, most often. A humidifier or pebble tray helps, especially in winter when heated indoor air runs dry.

Croton is the plant I most often have to talk people out of moving. Every relocation resets its adjustment clock and can trigger a fresh round of leaf drop - once you find a bright, stable spot, the best thing you can do is leave it alone.
From the Plant Doctor's notes Croton · quick reference
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