PRUMNOPITYS ladei (Mt. Spurgeon Black Pine)

Mt Spurgeon Black Pine (Prumnopitys ladei) is one of the rarest conifers in the country, known in the wild from only a handful of mountain sites in far north Queensland. In cultivation it is very slow, settling at around 8m tall and 4m wide over many years rather than the 30m it reaches in rainforest. Soft dark green foliage on a neat upright frame makes it a collector's tree that still works as a garden plant.

Why you'll love it

• A genuinely rare Australian native. Very few gardens in Australia hold one, and it is an ancient conifer lineage rather than an introduced pine.
• Slow growth you can plan around. It takes decades to approach 8m, so it will not outgrow a courtyard or crowd a house the way a fast conifer does.
• Evergreen cover all year. Dense foliage held to a tidy outline gives structure in winter as well as summer.
• Built for warm, humid gardens. Humidity tolerant and wind tolerant, which suits the subtropical east coast where many conifers struggle.
• Almost no maintenance. No pruning schedule and no shaping to keep up with.

Where it works best

Feature planting. This is first and foremost a specimen tree. Give it clear ground where the whole silhouette can be seen, and let it carry a courtyard, an entry or a lawn on its own.

Screening and privacy. Repeated in a row at about 2.5m to 3m apart it builds a permanent evergreen wall. Be realistic about the timeline, because the density arrives over years, not seasons.

Light shade. Mature trees cast soft dappled shade, which suits underplanting with ferns and other rainforest species.

Growing Mt Spurgeon Black Pine in Australia

Position and climate. Tropical, subtropical and warm temperate gardens suit it. Full sun is fine once established, though young trees appreciate afternoon shade. It takes light frost only, so cold inland districts, the tablelands and hard frosting southern gardens are outside its range.

Soil. Deep, well drained soil enriched with compost, reflecting the rainforest ground it comes from. It will not sit in waterlogged clay, so raise the planting position if drainage is poor, and mulch 75mm deep clear of the trunk.

Water and feed. Keep the root zone consistently moist for the first two years, easing back only once growth resumes. A complete slow release fertiliser in early spring is enough. Avoid heavy phosphorus doses, and never let it dry out completely.

Pruning. Effectively none. Remove damaged wood if it appears and leave the natural shape alone, since the tree grows too slowly to recover quickly from hard cutting.

What to expect when it arrives

This is an ex ground tree, grown in the field for years and lifted with a root ball rather than raised in a pot. You are buying a mature specimen with real presence on day one, the only practical way to own a tree this slow.

Have the hole dug and the site ready before delivery, and plan for machinery access. Advanced and large stock is freighted at cost, with specialist transport quoted for a tree of this size. Delivery is Australia wide, from $29.95 on standard stock,. Expect a full season of settling in before new growth, and water deeply through that first year. Every plant carries our 30 day healthy plant guarantee.

Plant care guides and related reading

• Browse the wider conifer range.
• See other ex ground trees available as mature specimens.
• Read our guide to rare Australian native plants.
• Compare options in Australian native trees.

Common questions

How fast does it grow?

Slowly, even in ideal conditions. Expect well under 200mm of height a year once established, which is why mature specimens are so scarce and so valuable.

Will it cope with frost?

Only light frost, and only once established. Young trees need protection through their first winters, and it is not a choice for a hard frosting inland or southern garden.

Does it really reach 30m?

In its native rainforest, yes, over centuries. In an open garden, plan for around 8m tall and 4m wide.