Container guide
Growing perforate st john's-wort in a pot
Compost and drainage
Perforate St John's-wort needs sharp drainage, so this matters more in a pot than in the ground. Use a free-draining mix (add perlite, grit or bark to standard compost), always pick a container with drainage holes, and never let it stand in a saucer of water.
Watering perforate st john's-wort in a pot
Containers dry far faster than open ground, so perforate st john's-wort in a pot needs checking more often than the general guidance of "Low — established plants are drought-tolerant" — 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 perforate st john's-wort care
- Growing st. john's wort in a pot — the species this cultivar belongs to
- Full perforate st john's-wort care guide
- Best soil for perforate st john's-wort
- When to repot perforate st john's-wort
- How often to water perforate st john's-wort
- How to overwinter perforate st john's-wort
- Best app for indoor plants — reminders and light checks tested
Growing perforate st john's-wort in containers — FAQ
Can you grow perforate st john's-wort in a pot?
Yes — perforate st john's-wort 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 90 cm, without so much spare compost that it stays soggy between waterings.
What size pot does perforate st john's-wort 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 perforate st john's-wort need in a container?
Perforate St John's-wort needs sharp drainage, so this matters more in a pot than in the ground. Use a free-draining mix (add perlite, grit or bark to standard compost), always pick a container with drainage holes, and never let it stand in a saucer of water.
How often should I water perforate st john's-wort in a pot?
Containers dry far faster than open ground, so perforate st john's-wort in a pot needs checking more often than the general guidance of "Low — established plants are drought-tolerant" — especially in summer, wind, or a heated room. Check the top few centimetres with a finger rather than watering on a fixed day.