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Xanthorrhoea Johnsonii Grass Tree. 'Black Boy'.
The Xanthorrhoea Johnsonii is a dramatic and spectacular species of grass tree native to Australia. Nicknamed 'Black Boy' the thickened trunks are black as a result of bush fires. The trunk is made up of a mass of old leaf bases held together by a natural resin and the centre is fibrous. During bushfires, the intense heat melts this resin and it oozes out and solidifies. A dense crown of thin but firm grass-like leaves top the trunk extending up to 3ft long and arching over it. 
Slow growing, but extremely long lived, a tree with a 1m trunk will probably be around 100 years old.

Small white/cream honey scented flowers are produced on spectacular woody stalks which can reach up to 10ft tall. 
This is a exceptionally beautiful and imposing plant which grow well in containers requiring little water and maintenance.


These specimens are exceptional quality and very rare. Photo1 is of the actual plant in stock now. Fully rooted.  Very special and ultra difficult to find for sale in the UK. Limited availability. Please Note: Heights stated include pot sizes.

Click into the "Height" box and price of each plant is shown next to its size. UK delivery is FREE on all our palms.


To PRE-ORDER please contact us: with your requirements or alternatively reserve by  choosing "Manual" payments at checkout (no payment is taken until just before delivery).


SKU: XanthJohn180-10
  • Latin Name: Xanthorrhoea Johnsonnii

    Common Name: 'Black Boy' Johnson's Grass Tree,Northern Grass Tree

    Native to: Australia.

    Hardiness: Hardy down to -5. Will need winter protection if lower.

    Growth Characteristics: Very slow growing, evergreen. Long, thin grass-like leaves. Beautifull black trunk. Tolerates coastal positions and drought when established.

    Sunlight: Prefers full sun/ tolerates partial shade.

    Exposure: Sheltered.

    Soil: Well drained soil. Gritty

    Moisture: Water sparingly. 

  • Available For Delivery Now.


    All palms have been imported with phytosanitary certificates from top quality growers.

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