Brazie's Sunflower Seeds will teach you to summon Brazie's Sunflower, also called Singing Sunflower companion.
This item is a quest reward from:
Brazie's Sunflower randomly sings. All of the songs have the same tune, with the only spoken words being "There's a zombie on your lawn," while the rest are hummed or "la-la-la,". The beginning quest of this chain is called  and is given by Brazie the Botanist at Brazie's Farmstead in Hillsbrad Foothills.