Available info varies widely and the jury is still out. Looks like it has medicinal and food value, but like too much dairy and meat can cause constipation and too much spinach can cause urinary stones, peony (flowers and roots) can cause problems. The root has been used for centuries in Chinese Herbology and is considered a most valuable herb.
Peonies are toxic to cats, dogs, and horses. Call your vet or Animal Poison Control Center at. 888-426-4435. They are not poisonous to people.
There are many types of peonies and they have different numbers of petals. Single peonies have between 5 to 12 petals. Other peonies have multiple rows of petals.
Perennial
Peonies need a period of cold to flower so in most temperate climates you can grow peonies.
Both are flowers.
"partnership" or "mutually beneficial" ie. Ants and peonies have a symbiosis or symbiotic relationship. (Peonies will not bloom unless they have ants on them.)
Peonies are in the genus Paeonia.
Peonies tend to attract ants to the flower buds. This is due to the nectar that forms on the outside of the flower buds.
Fruitbasket Flowerland.
Powdery mildew
The best way to rid the peonies of ants is to repot them. Make sure that you have not transferred the ants into the new pot, however.
The peonies should come back but they may not be as strong as they could be. The plant needs the leaves to gather energy for the new blooms in spring.