Can I grow cardamom indoors?

Yes, it makes a beautiful houseplant if you provide high humidity and bright, indirect light.

How do I harvest the seeds?

Harvest the pods when they are fully grown but still green, just before they ripen, then dry them before removing the seeds.

Plant guide

Cardamom.

Elettaria cardamomum

Pronounced el-eh-TAIR-ee-uh kar-duh-MOM-um

Also known as Cardamom, Cardamon, Green Cardamom, true cardamom

Cardamom is a beautiful, aromatic tropical plant known for its fragrant seeds used in cooking. It thrives in warm, humid environments that mimic its native forest floor habitat. You'll love the lush, lance shaped leaves that add a touch of the tropics to your home.

At a glance

Care level: Moderate
Plant type: Tropical perennial
Light: Partial shade
Indoor light: Bright indirect
Water: Every 3 to 7 days
Mature size: 6 to 10 feet
Growth rate: Medium
Hardiness: USDA 10 to 12
Bloom time: Late spring to summer

Care

Keep the soil consistently moist but never soggy to prevent root rot. Watch for browning leaf tips, which often signal that the air is too dry or the water quality is poor. Provide plenty of humidity to keep your plant happy and vibrant.

Watering: Keep the soil evenly moist, allowing only the top inch to dry out between waterings.
Feeding: Feed with a balanced liquid fertilizer during the active growing season.
Pruning: Trim away any yellowing or damaged leaves to keep the plant looking tidy.
Repotting: Repot when the plant becomes root bound or outgrows its current container.
Soil: Rich, well draining potting mix
Soil pH: 6.0 to 7.0
Temperature: 15 to 30°C
Humidity: 60 to 90%
Drought tolerance: Low
Lifespan: Perennial, typically 5 to 10 years
Fragrance: Strong
Deer and rabbits: Moderate

Signs it needs repotting

Roots growing out of the drainage holes
Water running straight through the pot
Stunted growth during the active season

Safety

People: The plant is generally considered non-toxic to humans.
Pets: This plant is considered non toxic to cats and dogs.
Children: The seeds are small and could pose a choking hazard if ingested by young children.
Contact allergens: Handling the foliage may cause mild skin irritation in sensitive individuals.
Airborne allergens: There are no notable airborne allergen risks associated with this plant.
Edibility: While the seeds are a common culinary spice, ensure you are harvesting the correct species before consumption.

How to identify it

Long lance shaped green leaves
Strong spicy scent when crushed
Clumping growth habit
Tall reed like stems

Height: 1.5 to 3m
Spread: 1 to 2m
Leaves: dark green, evergreen
Flowers: white, pale violet, 2 to 4cm
Fruit: green, yellowish brown, Late summer to autumn

Problems to watch for

Brown Leaf EdgesCommon
Root RotCommon
Spider MitesCommon
Fungus GnatsUncommon
Leaf SpotUncommon
MealybugsUncommon

By symptom

Plant problems by symptom

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Growing it

Propagation: division, seed
When to plant: spring
Overwintering: Bring the plant indoors before temperatures drop below 15 degrees Celsius. Keep it in a warm, bright spot and mist the leaves regularly to maintain humidity.
In containers: It grows well in large containers, at least 30 cm in diameter, provided you maintain high humidity.

Division

Carefully remove the plant from its pot.
Gently tease apart the rhizomes into smaller sections.
Ensure each section has at least one healthy shoot.
Replant in fresh, well-draining soil.

Group these plants together in a humid, shaded area to create a microclimate that mimics their native forest floor.

Grows well with

Ginger · They share similar soil and moisture requirements.
Turmeric · Both thrive in the same tropical, shaded garden conditions.

Similar species

Black Cardamom · It is a related species often used for its smoky flavor profile.

Science

Family: Zingiberaceae
Genus: Elettaria
Order: Zingiberales
Class: Liliopsida
Native range: Tropical forests of southern India.
Conservation: It is not currently listed as endangered, but wild populations are threatened by habitat loss in its native range.

It grows as an understory plant in tropical rainforests, relying on high humidity and filtered light.

Value to wildlife: nectar source
Pollinators: bees
Uses: culinary spice, ornamental foliage, fragrant garden plant

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 1/9
Soil reaction: 6/9
Light: 4/9
Temperature: 9/9
Moisture: 8/9
Nutrients: 7/9

Taxonomy resolved against GBIF.

Questions people ask

Can I grow cardamom indoors?: Yes, it makes a beautiful houseplant if you provide high humidity and bright, indirect light.
How do I harvest the seeds?: Harvest the pods when they are fully grown but still green, just before they ripen, then dry them before removing the seeds.

Where the name comes from

The genus name Elettaria comes from the Malayalam word for cardamom, while the specific epithet cardamomum is derived from the Greek word for the spice.

Good to know

Cardamom belongs to the ginger family.
The spice is harvested from the dried seed pods.
It has been used in traditional medicine for thousands of years.
The plant thrives in the shade of tropical forest canopies.

Also in

Plants for shade

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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.