What is a black boy plant
Sarah Cherry
Published Apr 27, 2026
Grass Tree (xanthorrhoea or black boy) shows its sharp, pointy spikes. Australian Grass Tree in the Nation Park. Grass Tree (xanthorrhoea or black boy) shows its sharp, pointy spikes. Xanthorrhoea or grass tree endemic to Australia. Silhouetted tops of the Grass Tree (xanthorrhoea or black boy), Australia.
What are black boy plants called now?
Xanthorrhoea australisGenus:XanthorrhoeaSpecies:X. australisBinomial nameXanthorrhoea australis R.Br.
How do you care for Black Boy plants?
- Choose a sunny area.
- Select well-draining soil. …
- Water once to twice weekly during the dry season of October – May, making sure that the rootball and developing roots get thoroughly wet. …
- Water should be directed to the base of the tree only, not into the foliage head.
Why is it called a black boy plant?
Xanthorrhoea plants are also known as Balga Grass Plants. … It is thought that the Aborigines called the plants Balga because after a bush fire had ravaged the land, the blackened trunk of the Xanthorrhoea would be revealed beneath the burned lower leaves, and would resemble a child like black figure.How fast does a black boy grow?
While they do grow slowly, quite attractive plants with short trunks (10 cm) and leaf crowns up to 1.5 m (to the top of the leaves) can be achieved in 10 years. The slow growth rate means that it can take 30 years to achieve a specimen with a significant trunk.
What is a balga tree?
The common Grass Tree/Balga (Xanthorrhoea preissii) is endemic to Western Australia and grows naturally in sand, loam or gravelly soils, to a height of five metres. They have a lifespan of up to 600 years. The Grass Tree/Balga are important to Aboriginal people across Australia.
How fast do Grasstrees grow?
Grass trees grow at a slow rate of just 2 cm each year. It can take over 20 years for Xanthorrhoea to grow a trunk, and it takes years for them to reach full size.
Can you transplant Black Boy plants?
These days, there are a few licensed companies who successfully transplant these wonderful plants into pots in a sustainable way. Nowadays black boy plants don’t have to be bulldozed down, but can often be rescued and transplanted prior to clearing.Why is my grass tree turning yellow?
The outer/lower leaves are turning yellow / brown or have died off. This is perfectly normal. As new growth emerges from the centre, it forces the older growth to the outside which eventually dies off and hangs down beside the trunk.
How do you grow Xanthorrhoea?Xanthorrhoea seeds spread out over the surface before covering with a thin layer of soil. To ensure germination: Place the seed tray in a warm (18–22°C) place in the shade and close the lid. Check the seed tray regularly and add moisture if it looks like it is drying out.
Article first time published onDo grass trees need to be burnt?
Although the trees have developed a way of coping with fires, burning is not needed for health or blooming. Indeed, what it often needed is to feed the specialized bacteria that grow around the roots of the tree and a great deal of patience. Grass trees grow very slowly.
How do you germinate black boy seeds?
Sow 2 or 3 seeds flat on the soil in each pot, cover lightly with soil. Water gently and cover pots with clear polythene – remove when seeds start to germinate. Keep moist. Place in warm shady position to germinate fully.
How long do grass tree seeds take to germinate?
Germination typically occurs from 4 to 6 weeks; however, in some species, it can take as long as 52 weeks. Leave the seedlings to grow until they start touching the ceiling of the container lid. When the baby Grass trees are ready to be moved, gently take them out while keeping the young root intact.
Is Xanthorrhoea a tree?
The common name grass tree is a misnomer: Xanthorrhoea are not grasses, nor are they trees. Actually, they are distantly related to lilies. Xanthorrhoea translates to “yellow flow”, the genus named in reference to the ample resin produced at the bases of their leaves.
How do I get my grass to flower?
Flower spikes are often produced after fires, when the plant’s growth is stimulated by the ash on the ground. Fire burns out the old foliage from the base of the plant but you can mimic that by having a small, cool fire in winter (if it’s safe) or watering with smoke-infused water to stimulate flower production.
How often should you water grass trees?
Give Your Grass Tree Enough Water, But Not Too Much Once or twice a week is usually enough during dry spells in the summer, but make sure that you keep the actual trunk of your grass tree as dry as possible – too much water on the trunk will soften it, leaving it vulnerable to pests and diseases.
What does balga mean in Aboriginal?
Balga as Bal – a – ga or. bal – alla – ga or. bal – ale – ga or. bal – alia – ga. means is the grass tree or “Black boy” Xanthorea arborea the grass tree or black boy tree meaning it is the one that possesses.
Are grass trees poisonous?
Access to grass trees, especially when they are flowering and other feed is scarce, usually allows poisoning to occur. … Cattle are the only animals affected and the flowering spike or spear seems to be the most poisonous part of the plant.
Are grass trees protected in Qld?
Grass trees (Xanthorrhoea species) are uniquely Australian. All varieties of Queensland Grass trees are classified as Protected. It is now illegal to dig up wild plants anywhere without a licence.
Is brown sugar good for grass trees?
Take a cup of brown sugar, put it in a bucket of water and water your grass trees once a month for two years with that mixture. The sugar feeds the mycorrhiza and gets it going and your grass tree will survive. These plants like well drained soil and full sun, and with that will grow just about anywhere.
Why is my grass dying even though I water it?
If your grass is turning brown despite watering, it’s possible that you may have a problem with disease, caused by microscopic living organisms. These include bacteria, fungi, and nematodes, among others.
When should grass trees be pruned?
Grass trees (Xanthorrhoea preissii) are primarily grown in thick soils or even in gravel. The grass tree does not need direct sunlight to flourish. If you have a grass tree that is turning brown, you probably need to prune it. When the leaves are turning brown, the leaves need to be cut in order to regrow.
What grows well with grass trees?
For the ground cover to plant alongside grass trees, look for plants that thrive in full sunlight and rocky soil, such as pig face or yellow buttons. These vibrant plants will add a pop of colour against the dark truck and grey-green foliage of your grass tree.
What soil does a grass tree need?
Grass trees like good drainage so if you have a heavy soil it is very important to add something free draining. I like to use a good quality native potting mix, 2 bags per grass tree is usually about right. Fill the hole with plenty of the native potting mix and add some of the exiting soil too.
Can I sell black boy trees?
Native plants are protected in New South Wales by the Biodiversity Conservation Act 2016 (BC Act). Under the BC Act it is an offence to pick, possess, buy or sell native plants listed in the Act for commercial purposes without a licence.
What's in native potting mix?
Native Plant Mix: Native plants need a free-draining potting mix that’s not as rich as the vegetable mix. To three parts of general purpose mix add two parts of washed sand, which will create a free-draining mix. When you plant, add about a teaspoon of controlled-release fertiliser, specially formulated for natives.
Do you need a license to sell plants in Queensland?
Only one licence (a protected plant harvesting licence (DOCX, 156 KB) ) is required to harvest, keep and trade in protected plants. However, a licensed harvester will also need a protected plant growing licence (DOCX, 149 KB) if they intend to grow (e.g. propagate) protected plants from harvested plant parts.
How long does Xanthorrhoea take to grow?
Xanthorrhoea take about seven years to mature. After maturation, the plant can bloom anytime, but seems to do so more prolifically after being singed in a grass fire or exposed to smoke.
Do grass trees like Seasol?
As an added remedy apply Seasol or similar seaweed tonic to the tree each month to encourage root growth and help improve the trees resiliance to insect infestation. The above grass tree has set back giving the appearance of a dead tree from a distance.
Why is my grass tree dying?
Root disease — root rot Root rot is a fungal pathogen Phytophthora cinnamonni and related pathogens, cause the roots to rot, preventing the grass tree from taking up water and nutrients. … As a result the central leaves wilt and turn brown, causing the crown to collapse and the trunk to rot.
How do you propagate bottle trees from seed?
Mix equal parts perlite and peat moss to create a suitable seed bed in a well-drained 4-inch plastic pot. Moisten the soil by misting, then allow it to drain for at least 20 minutes before adding the seed. Add one seed to the pot, sprinkle soil over it, but do not completely cover the seed.