Container guide
Growing arrowhead 'kuwai' in a pot
Compost and drainage
Use a quality peat-free compost with a handful of perlite for air, and make sure the pot has drainage holes. Compost in containers compacts over time, which suffocates roots — that is the main reason potted plants decline.
Watering arrowhead 'kuwai' in a pot
Containers dry far faster than open ground, so arrowhead 'kuwai' in a pot needs checking more often than the general guidance of "Continuously flooded; keep 5-15 cm of standing water over the soil all season" — 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 arrowhead 'kuwai' care
- Growing threeleaf arrowhead in a pot — the species this cultivar belongs to
- Full arrowhead 'kuwai' care guide
- Best soil for arrowhead 'kuwai'
- When to repot arrowhead 'kuwai'
- How often to water arrowhead 'kuwai'
- How to overwinter arrowhead 'kuwai'
- Best app for indoor plants — reminders and light checks tested
Growing arrowhead 'kuwai' in containers — FAQ
Can you grow arrowhead 'kuwai' in a pot?
Yes — arrowhead 'kuwai' 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 m, without so much spare compost that it stays soggy between waterings.
What size pot does arrowhead 'kuwai' 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 arrowhead 'kuwai' need in a container?
Use a quality peat-free compost with a handful of perlite for air, and make sure the pot has drainage holes. Compost in containers compacts over time, which suffocates roots — that is the main reason potted plants decline.
How often should I water arrowhead 'kuwai' in a pot?
Containers dry far faster than open ground, so arrowhead 'kuwai' in a pot needs checking more often than the general guidance of "Continuously flooded; keep 5-15 cm of standing water over the soil all season" — especially in summer, wind, or a heated room. Check the top few centimetres with a finger rather than watering on a fixed day.