ʻO ka ulu ʻana o ka peony ka mea maʻamau i ka ulu ʻana o nā hua, ka ulu ʻana o nā mea kanu, ka ulu wikiwiki, a me ka pua. ʻO ke kaʻina hana holoʻokoʻa ma kahi o ʻekolu a ʻeono mau makahiki, ma muli o ke ʻano a me nā kūlana mālama. Ma hope o ka germination, ulu mālie ka seedling, a ma hope o ka ulu wikiwiki, hiki i ke kiʻekiʻe o 15 a 25 cm. I loko o kēia manawa, pono kahi mahana ulu kūpono, e like me 28 degere. Me ka mālama maikaʻi, pua maʻamau nā peonies no ka manawa mua i ka pūnāwai o ko lākou makahiki ʻehā (ma kahi o ʻApelila), me nā ʻano kala like ʻole, me ka ʻulaʻula, keʻokeʻo, a me ka melemele. Loaʻa iā mākou ʻeono-makahiki-peonies i loko o ka ipuhao no ke kūʻai aku. Hāʻawi kēia mau ʻano i lawe ʻia mai i nā waihoʻoluʻu pua ʻokoʻa a nani hoʻi, e kūpono ia no nā moena pua, nā aniani pua, a me nā ipu hale.