Growli

Container guide

Growing colocasia 'coffee cups' in a pot

Verdict
Grows well in pots
Pot size
20-30 cm (8-12 in) across
Mature size
Around 90-120 cm tall and 60-90 cm wide in a season.

Compost and drainage

Colocasia 'Coffee Cups' likes steady moisture but not waterlogging — a tricky balance in a pot. Use a good peat-free compost with some added perlite for air, make sure the container drains freely, and mulch the surface to slow evaporation.

Watering colocasia 'coffee cups' in a pot

Containers dry far faster than open ground, so colocasia 'coffee cups' in a pot needs checking more often than the general guidance of "Keep constantly wet; never let it dry out" — especially in summer, wind, or a heated room. Check the top few centimetres with a finger rather than watering on a fixed day.

Potting on

Pot on when roots show through the drainage holes or growth slows noticeably — usually every 1-2 years for a plant this size. Move up one pot size only; jumping several sizes leaves wet compost the roots cannot reach, and that is what rots them.

More colocasia 'coffee cups' care

Growing colocasia 'coffee cups' in containers — FAQ

Can you grow colocasia 'coffee cups' in a pot?

Yes — colocasia 'coffee cups' does well in a pot. Aim for a container around 20-30 cm (8-12 in) across: enough root room for it to reach about 1.2 m, without so much spare compost that it stays soggy between waterings.

What size pot does colocasia 'coffee cups' need?

Aim for a container 20-30 cm (8-12 in) across. Pot on when roots show through the drainage holes or growth slows noticeably — usually every 1-2 years for a plant this size. Move up one pot size only; jumping several sizes leaves wet compost the roots cannot reach, and that is what rots them.

What compost and drainage does colocasia 'coffee cups' need in a container?

Colocasia 'Coffee Cups' likes steady moisture but not waterlogging — a tricky balance in a pot. Use a good peat-free compost with some added perlite for air, make sure the container drains freely, and mulch the surface to slow evaporation.

How often should I water colocasia 'coffee cups' in a pot?

Containers dry far faster than open ground, so colocasia 'coffee cups' in a pot needs checking more often than the general guidance of "Keep constantly wet; never let it dry out" — especially in summer, wind, or a heated room. Check the top few centimetres with a finger rather than watering on a fixed day.