Fertilising guide
How to fertilise Brazilian Araucaria (Araucaria angustifolia)— schedule & NPK
Also called Paraná pine, Brazilian pine, candelabra tree.
More about brazilian araucaria
About Brazilian Araucaria
Araucaria angustifolia · also called Paraná pine, Brazilian pine · edible
Araucaria angustifolia, the Paraná pine, is a critically endangered South American conifer with a flat-topped, candelabra crown and stiff, sharp, broad needles. Its large seeds, called pinhão, are edible and a traditional winter food in southern Brazil. Slow-growing and frost-sensitive, it makes a striking ornamental in warm climates and an unusual young container plant.
Growth habit: Large evergreen conifer growing with a straight trunk and tiered, upward-curving branches that form a distinctive flat-topped, candelabra-like crown with age; foliage of stiff, sharp, broad-based scale leaves.
What fertiliser brazilian araucaria actually wants — and why
Brazilian Araucaria feeds in two distinct phases — balanced to build the plant, then high-potassium the moment flowering starts to set and fill a heavy crop.
Balanced (even N-P-K) at planting for roots and frame, then switch to a high-potassium ("high-potash") tomato-style feed once the first flowers open — potassium is what sizes and ripens fruit, not nitrogen.
For the language behind the three numbers on the bottle — what nitrogen, phosphorus and potassium each do — see the NPK ratio explained entry. The short version for brazilian araucaria: match the feed to the job the plant is doing right now, not to a generic “plant food” on the shelf.
How often to feed brazilian araucaria, and which months
Feeding only earns its keep while the plant is in active growth and can use the nutrients — pour feed into a dormant or low-light plant and it simply builds up as root-burning salt. For brazilian araucaria:
Feed potted young plants monthly in spring and summer with a balanced or slightly acidic liquid fertiliser at half strength. Established landscape trees need little feeding; a light spring application of balanced fertiliser supports steady growth. Avoid feeding in winter. So: a balanced feed or compost at planting, then a high-potash liquid every 1-2 weeks from first flower through harvest across the main season (spring through early autumn).
The dormant-season rule matters more than the exact interval: skip feeding entirely when brazilian araucaria is resting. For the wider context on indoor feeding rhythms across the seasons, the houseplant fertiliser schedule walks through the year month by month.
What strength to mix for brazilian araucaria
Follow the crop-feed label rate for brazilian araucaria — these are calibrated for hungry vegetables. Consistency through fruiting matters more than strength; erratic feeding causes problems like blossom-end rot.
Feeding always goes onto already-damp soil, never dry roots — water brazilian araucaria first if the soil is dry, then apply the diluted feed. The companion question is when to water at all, covered in the brazilian araucaria watering schedule.
Signs you are over-feeding brazilian araucaria
Over-feeding is far more common — and more damaging — than under-feeding for most plants. The classic tells for brazilian araucaria:
- Vigorous dark-green leafy growth but few flowers or fruit (excess nitrogen).
- Lush foliage hiding the crop; soft growth prone to pests and disease.
- Salt crust on the soil and scorched leaf edges in containers.
Signs you are under-feeding brazilian araucaria
- Pale, yellowing lower leaves and stunted growth.
- Small fruit, poor set, and a quickly exhausted plant.
- Blossom-end rot and weak cropping from erratic or insufficient feeding.
If the symptoms point at watering, light or roots rather than nutrition, the full brazilian araucaria care brief covers soil, humidity and the common problems for this species.
Flushing and leaching the salts
In containers, fertiliser salts build up fast — water brazilian araucaria thoroughly so excess drains from the base each time, and flush pots with plain water every few weeks to prevent a damaging salt build-up.
Organic vs synthetic feeds for brazilian araucaria
Organic options
Garden compost or well-rotted manure dug in before planting, plus a liquid comfrey or seaweed feed once fruiting starts. UK: comfrey feed or organic Tomorite; US: Espoma Tomato-tone or Neptune's Harvest. Builds soil and feeds in one.
Synthetic / liquid feeds
A balanced feed at planting then a high-potash tomato feed in fruiting — UK: Growmore at planting then Tomorite (Levington) or Phostrogen; US: a balanced 10-10-10 then Miracle-Gro Tomato or a bloom booster.
Brand names are examples, not endorsements, and UK and US ranges differ — check the label’s own NPK and dilution rate, since formulations change.
Fertilising brazilian araucaria — frequently asked questions
What fertiliser does brazilian araucaria need?
Balanced (even N-P-K) at planting for roots and frame, then switch to a high-potassium ("high-potash") tomato-style feed once the first flowers open — potassium is what sizes and ripens fruit, not nitrogen. Brazilian Araucaria feeds in two distinct phases — balanced to build the plant, then high-potassium the moment flowering starts to set and fill a heavy crop.
How often should I feed brazilian araucaria?
Feed potted young plants monthly in spring and summer with a balanced or slightly acidic liquid fertiliser at half strength. Established landscape trees need little feeding; a light spring application of balanced fertiliser supports steady growth. Avoid feeding in winter. Feed potted young plants monthly in spring and summer with a balanced or slightly acidic liquid fertiliser at half strength. Established landscape trees need little feeding; a light spring application of balanced fertiliser supports steady growth. Avoid feeding in winter. So: a balanced feed or compost at planting, then a high-potash liquid every 1-2 weeks from first flower through harvest across the main season (spring through early autumn).
What strength of feed for brazilian araucaria?
Follow the crop-feed label rate for brazilian araucaria — these are calibrated for hungry vegetables. Consistency through fruiting matters more than strength; erratic feeding causes problems like blossom-end rot.
What does over-feeding brazilian araucaria look like?
Vigorous dark-green leafy growth but few flowers or fruit (excess nitrogen). Lush foliage hiding the crop; soft growth prone to pests and disease. Salt crust on the soil and scorched leaf edges in containers. Staying on a high-nitrogen feed once brazilian araucaria starts flowering is the classic error — you get a huge leafy plant and a disappointing crop. Switch to high-potash the moment flowers appear.
Should I flush the soil of brazilian araucaria?
In containers, fertiliser salts build up fast — water brazilian araucaria thoroughly so excess drains from the base each time, and flush pots with plain water every few weeks to prevent a damaging salt build-up.
Keep reading
- Brazilian Araucaria care — the full brief (light, soil, humidity, problems, pet safety)
- How often to water brazilian araucaria — the watering schedule
- The houseplant fertiliser schedule — feeding through the year
- NPK ratio explained — what the three numbers on the bottle mean
- How to fertilise tomato
- How to fertilise pepper
- How to fertilise cucumber
- All 5561 fertilising guides in the Growli library