The white tree shoot is a quest item used in the Garden of Tranquillity quest. The player must speak to the gardener Dantaera just east of Catherby with the Ring of Charos(a) equipped. She will tell the player that the white tree is dying and the only way to save it is to grow a cutting from one of its branches.
The cutting should be taken from the tree on top of Ice Mountain with secateurs, put into a plant pot filled with soil, water it with a watering can and left to grow. Once large enough the sapling can be transplanted into Queen Ellamaria's garden behind Varrock Palace.
Currently, players could cut from the Ice Mountain white tree even after completing the quest. They could even plant it in a plant pot and water it, but it would never grow into a sapling, and cannot be planted into a wood or fruit tree patch, so it would just be a waste of plant pots.
^The planting experience is awarded upon checking the health or fully harvesting the patch, or upon clearing the patch if it died before becoming fully grown.
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White tree shoot (pot)
White tree sapling
White tree fruit
