Here is what Cardamom needs to thrive.

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Cardamom

Elettaria cardamomum

Zones 10–13

Growing

To thrive, this tropical perennial requires a consistently humid environment and a preference for acidic soil, ideally maintaining a pH between 4.5 and 6.5. Because it is highly sensitive to cold, you must protect the plant from even light frost, as freezing temperatures will kill the herb. If you are growing in a container, ensure the medium provides excellent drainage to prevent waterlogged roots, while still allowing for the constant moisture this species demands.

When your plant begins to produce fruit, you must harvest the pods while they are fully ripe, as cardamom does not continue to ripen once it has been picked. For the best flavor and aroma in your curries or teas, harvest the pods immediately when they reach maturity. To preserve the spice, keep the pods unwashed to prevent rot. You can store your harvest at room temperature in a cool, dark place, or dry the pods to extend their usability for long-term use in your kitchen.

Stats
Sunpart sun
Waterhigh
Grow time>150 days
Height3–6ft
Spacing>24in
Light
Full sun✗
Part shade✓
Shade✓
Traits
Life cycleperennial
Categoryherb
Growth habitrosette
Seasonwarm
Frost tolerancetender
Height3–6ft
Spacingover 24in
Days to maturityover 150
Growing
Waterhigh
Drainagewell drained
Soil ph min4.5
Soil ph max6.5
Propagation
Seed✓
Cutting✗
Division✓
Graft✗
Tuber bulb crown✗
Transplant✗
Container ok✓
Pollinationself fertile
Pollinator friendly✓
Toxic parts
Leaves✗
Seeds✗
Raw✗
Post harvest
Wash before storing✗
Ripens off plant✗
Curing daysover 2wk
Shelf lifeover 3mo
Storage methods
Room temp✓
Cool dark✓
Fridge✓
Freeze✓
Can✗
Dry✓
Ferment pickle✗
Blanch before freezing✗
Calendar, zone 7
Not suited to zone 7. Grows in zones 10–13.