You need this collectable to upgrade your flasks.
You can choose one as a keep sake while making your character. Another can be found by the golden sapling on the right side of road that you follow up from the gate front towards Stormveil Castle.
This seed is found along the road to Castle Morne in the south. Look to the right as you ride along it and you'll spot a golden sapling on a little outcrop of cliff.
This seed is found In Sellia, Town of Sorcery, near the centre of Caelid. Fight your way through the town, and head up the giant staircase at the northern end. At the top you'll find a golden sapling.
From the Siofra River Bank Site of Grace, find a portal on a nearby island. Head through it, and then make your way to the pillar you can see on the cliff. Once up there, you'll spot a small causeway of land heading west. Go across this and climb up to see the golden sapling.
Head west from the Academy Gate Town Site of Grace along the outskirts, and past a green crystal. Keep going until you spot the golden sapling through the gap of the broken bridge.
After the Manor Upper Level Site of Grace, head outside into the garden with the wolves, and you'll spot the golden sapling just behind a wolf looking over the cliff.
In the forest with the Erdtree symbol in the north. On the road north out of the forest towards the Windmill Pastures, you'll spot a golden sapling to the left of the road.
North of the Seethewater River Site of Grace, past the volcanic vents, you'll spot a sapling to the right of the river.
Past the stairs leading into the city with the two Tree Sentinels boss, you'll find a golden sapling with two Golden Seeds right by the Outer Wall Phantom Tree Site of Grace.
From the Ancient Snow Valley Ruins site of grace, head north-east up the river until you spot patrolling Ruin Golem. On the right side there will be a golden sapling.