Growli

Container guide

Growing douglas fir in a pot

Verdict
Ideal in pots
Pot size
20-30 cm (8-12 in) across
Mature size
60–90 m in native forests; typically 15–40 m in cultivation

Compost and drainage

Douglas Fir 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 douglas fir in a pot

Containers dry far faster than open ground, so douglas fir in a pot needs checking more often than the general guidance of "Regular during first 3 years; established trees tolerate moderate drought in cool climates" — 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 douglas fir care

Growing douglas fir in containers — FAQ

Can you grow douglas fir in a pot?

Douglas Fir is well suited to container growing — at about 90 m mature it is comfortably pot-sized. A container around 20-30 cm (8-12 in) across gives it room without leaving the compost sitting wet, which is the usual mistake when people over-pot a small plant.

What size pot does douglas fir 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 douglas fir need in a container?

Douglas Fir 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 douglas fir in a pot?

Containers dry far faster than open ground, so douglas fir in a pot needs checking more often than the general guidance of "Regular during first 3 years; established trees tolerate moderate drought in cool climates" — especially in summer, wind, or a heated room. Check the top few centimetres with a finger rather than watering on a fixed day.