Paeonia caucasica vs Tree Peony

Paeonia caucasica and Tree Peony are both used for Immune support. Compare evidence, cultivation needs, safety, and edible parts to pick the right one.

SIDE A

Paeonia caucasica (Paeonia caucasica) — botanical photograph

Side-by-side attributes

Attribute	Paeonia caucasica	Tree Peony
Latin name	Paeonia caucasica	Paeonia ostii
Family	Paeoniaceae	Paeoniaceae
Edible	yes	yes
Medicinal	yes	yes
Life cycle	Perennial	—
Mature height	0.6 m	1.5 m
Light	Full sun, Partial sun/shade	Full sun, Partial sun/shade
Water	Moist	Moist
Soil	Light (sandy), Medium, Heavy (clay)	Light (sandy), Medium, Heavy (clay)
Hardiness	4-8	6-9
pH range	—	—
Edible parts	—	Flowers
Propagation	—	—

Both used for same goals

For Immune support

all plants for Immune support →

PAEONIA CAUCASICA

Paeonia species are traditionally used in Chinese medicine to support immune function, with Paeonia lactiflora being a well-documented example. This suggests that Paeonia caucasica may also be beneficial for immune health.

moderated = 0.30

TREE PEONY

Tree Peony has been traditionally used in Chinese medicine to support immune health, often prepared as a decoction. Its roots and bark are believed to enhance the body's defenses against pathogens.

moderated = 0.30

II·b

Where they differ

Uses documented for one plant but not the other — pick based on which goal matters more to you.

Paeonia caucasicaunique to

For Stress & anxietymoderate
Traditional-use note: Paeonia caucasica appears in herbal sources around calming and relaxation traditions, often as a decoction. PlantSage presents this as ethnobotanical context, not as medical advice.

Tree Peonyunique to

For Topical & skinmoderate
Tree Peony is traditionally used in Chinese medicine to support skin health, often applied topically. It may help soothe and protect the skin from irritants.

III

Which to pick

For Immune support: pick Tree Peony

Tree Peony has the stronger documented effect (moderate confidence vs moderate for Paeonia caucasica). Both work; this one has more clinical backing.

Frequently asked

What is the main difference between Paeonia caucasica and Tree Peony?

Paeonia caucasica (Paeonia caucasica) and Tree Peony (Paeonia ostii) are both in the Paeoniaceae family. See the side-by-side table above for cultivation needs, edible parts, and medicinal uses.

Which is better for Immune support, Paeonia caucasica or Tree Peony?

Tree Peony has stronger documented evidence for Immune support. See the "Both used for same goals" section for cited statements from each.

Can Paeonia caucasica and Tree Peony be combined?

Plant combinations should be evaluated case by case. Check the safety/contraindications section on each plant's profile (Paeonia caucasica and Tree Peony) before mixing. Some combinations are synergistic, others can interact with medication.

Are these plants safe?

Every plant profile includes a Cautions section with contraindications, drug interactions, and population warnings. Consult a healthcare professional before using either for medicinal purposes.

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