Why are my croton leaves turning green?

The plant is likely not receiving enough bright light to maintain its colorful variegation.

How often should I water my croton?

Water when the top inch of soil feels dry, but do not let it sit in soggy soil.

Plant guide

Croton.

Codiaeum variegatum

Pronounced koh-dee-EE-um var-ee-uh-GAY-tum

Also known as Garden Croton

Variegated Croton — Photo by Roman A. Lagazyuk (Роман А. Лагазюк) (CC BY) via iNaturalist

Crotons are stunning tropical shrubs known for their brilliant, multi-colored foliage. They bring a vibrant splash of color to any indoor space. These plants thrive when given plenty of light and consistent care.

Another photo of Croton — Photo by John D Reynolds (CC BY) via gbif

At a glance

Care level: Moderate
Plant type: Evergreen shrub
Light: Bright indirect light
Indoor light: Bright indirect
Water: Every 5 to 10 days
Mature size: 100 to 200 cm
Growth rate: Medium
Hardiness: USDA 10 to 12
Bloom time: Late winter to early spring

Care

Keep your croton in a bright spot to maintain its intense leaf colors. Watch for leaf drop, which often signals that the plant is stressed by drafts or inconsistent watering. Maintain high humidity to keep the foliage looking its best.

Watering: Water when the top inch of soil feels dry to the touch.
Feeding: Feed with a balanced liquid fertilizer during the active growing season.
Pruning: Prune in early spring to maintain shape and encourage bushier growth.
Repotting: Repot in spring when the roots have filled the current container.
Soil: Well-draining, peat-based potting mix
Soil pH: 5.5 to 6.5
Temperature: 15 to 30°C
Humidity: 60 to 90%
Drought tolerance: Low
Lifespan: Perennial, typically 5 to 10 years in home conditions.
Deer and rabbits: Moderate

Signs it needs repotting

Roots growing out of the drainage holes.
Water running straight through the pot without soaking in.
Stunted growth during the active growing season.

Safety

People: The milky sap is a skin irritant and the entire plant is poisonous if eaten.
Pets: This plant is toxic to cats and dogs if ingested, causing irritation and digestive upset.
Children: Keep this plant out of reach as the sap and leaves are toxic and can cause irritation or illness if handled or chewed.
Contact allergens: The milky latex sap can cause contact dermatitis in sensitive individuals.
Airborne allergens: There are no notable airborne allergens associated with this plant.
Edibility: All parts of this plant are toxic if ingested and can cause severe stomach upset.

How to identify it

Leathery, thick, and glossy leaves
Variegated patterns of red, yellow, and orange
Leaf shapes vary from oval to narrow
Stiff, woody stems

Height: 0.9 to 3m
Spread: 0.6 to 1.5m
Leaves: green, yellow, red, orange, purple, evergreen
Flowers: white, yellow, 0.5 to 1cm
Fruit: white, Late summer

Problems to watch for

Leaf DropCommon
MealybugsCommon
Spider MitesCommon
Scale InsectsUncommon

By symptom

Plant problems by symptom

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Growing it

Propagation: cuttings, air layering
When to plant: spring, summer
Overwintering: Move the plant indoors before temperatures drop below 15 degrees Celsius. Place it in a bright spot away from cold drafts or heating vents.
In containers: Crotons grow very well in containers, provided the pot has excellent drainage and is at least 25 cm in diameter.

Stem Cuttings

1. Take a 10 cm cutting from a healthy stem.
2. Remove the lower leaves.
3. Dip the cut end in rooting hormone.
4. Place in moist potting mix.
5. Cover with plastic to maintain humidity.

Group plants with similar humidity needs together to create a microclimate that keeps them all happy.

Grows well with

Peace Lily · They share similar requirements for high humidity and indirect light.
Philodendron · These plants enjoy the same tropical environment and soil moisture levels.

Similar species

Joseph's Coat · It offers similar colorful foliage in a smaller, more compact form.

Science

Family: Euphorbiaceae
Genus: Codiaeum
Order: Malpighiales
Class: Magnoliopsida
Native range: Tropical Southeast Asia and the Western Pacific Islands.
Conservation: Not of conservation concern.

It grows as an understory shrub in tropical forests where it thrives in warm, humid conditions.

Value to wildlife: nectar source
Pollinators: bees, butterflies
Uses: houseplant, tropical hedge, container specimen

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 2/9
Soil reaction: 6/9
Temperature: 8/9
Moisture: 6/9
Nutrients: 5/9
Light: 7/9

Taxonomy resolved against GBIF.

Questions people ask

Why are my croton leaves turning green?: The plant is likely not receiving enough bright light to maintain its colorful variegation.
How often should I water my croton?: Water when the top inch of soil feels dry, but do not let it sit in soggy soil.

Where the name comes from

The genus name Codiaeum comes from the Greek word kodeia, meaning head, while the species name variegatum refers to the multi colored leaves.

Good to know

Crotons are native to tropical regions of Southeast Asia and the Pacific Islands.
There are hundreds of cultivars with varying leaf shapes and color patterns.
The plant is often used as a colorful outdoor shrub in frost free climates.

Also in

Plants toxic to cats and dogs

Keep your croton growing

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This guide was generated with AI on September 26, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.