Medicinal Pollinator Fragrant

Evergreen Wisteria

Callerya reticulata

$25.00 Sold out
1 Gallon USDA Zones 8–10 Full Sun and Part Shade Matures 10–20 Feet

Callerya reticulata, the evergreen wisteria, drapes fragrant amethyst pea-flowers over glossy evergreen leaves from summer to fall, a refined, well-mannered climber, not a true wisteria.

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Callerya reticulata, the evergreen wisteria, is one of the most graceful vines for the Southern garden, and one of the most refined. Once known to botanists as Millettia reticulata and Wisteria reticulata, this evergreen climber is not a true wisteria, though the cascading habit and aristocratic bearing recall one. A vine for porches and pergolas, the evergreen wisteria prizes quiet bloom over brash spectacle, and carries both fragrance and folklore in the tendrils.

Native to the humid woodlands of China, Vietnam, and Taiwan, this member of the pea family wears dense, leathery, deep-green leaves, each compound leaf composed of seven to thirteen softly pointed leaflets whose netted veining gives the species the name reticulata, netted. In bloom, the evergreen wisteria is transformed: panicles of bluish-violet, pea-shaped flowers with golden centers hang like garlands of amethyst, scenting the air with a heady mix of cedar and camphor from the height of summer well into fall.

Far more manageable than the rampant true wisterias, the evergreen wisteria is a restrained, well-mannered climber for zones 8 to 10, happy in fertile, loamy, evenly moist soil in dappled to full sun. Prune faded flowers to prevent seeding and to spur fresh bloom, and at the cold edge of the range shelter the plant in a pot for winter. Pollinators work the flowers heavily, and with age the slender stems thicken into woody, twisting trunks like the old vines of courtyard walls.

There is a second life to this vine. In traditional Chinese medicine the dried stem, known as ji xue teng, has a long history as a remedy for the blood and circulation, and modern study has isolated genistein and flavonoids of interest. Grown here for the evergreen foliage and the fragrant amethyst bloom.

Photos courtesy of Jim Robbins.

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Explore this plant’s medicinal profile
Plant Profile
At a glance
Hardiness
USDA Zones 8–10
Sun
Full Sun, Part Shade
Soil
Moist, Well-drained
Mature size
Height 10–20 Feet · Spread 6–10 Feet
Growth rate
Fast
Seasonality
Evergreen
Design Notes

A refined, fragrant evergreen climber for a porch, a pergola, an arbor, or a sturdy fence, far more manageable than the true wisterias, where the amethyst summer bloom and cedar-camphor scent can be enjoyed up close and the evergreen leaves screen year round. Prune faded flowers to spur fresh bloom and limit seeding, and shelter in a pot for winter at the cold edge of the range.

Flower, Fruit & Foliage

Fragrant bluish-violet pea-flowers with golden centers, summer to fall

Flowers. Panicles of bluish-violet, pea-shaped flowers with golden centers, hanging like garlands of amethyst from the height of summer into fall, fragrant of cedar and camphor and busy with pollinators. Foliage. Dense, leathery, deep-green, evergreen compound leaves, each with seven to thirteen softly pointed, net-veined leaflets. Habit. A refined, manageable evergreen climber, far less rampant than the true wisterias, the slender stems thickening into woody, twisting trunks with age.

Care

Read our full care guide

Light. Dappled to full sun.

Soil. Fertile, loamy, evenly moist but well-drained soil.

Water. Keep evenly moist through the growing season; water deeply in dry spells.

Pruning. Prune faded flowers to prevent seeding and spur fresh bloom; train and thin on a sturdy support. Shelter in a pot for winter at the cold edge of the range.

Hardiness. USDA zones 8 to 10.

Medicinal & Traditional Use
Traditional profile
Tradition
Chinese
Parts used
Stem, Root
Preparation
Decoction of dried stem or root
Active compounds
Genistein and isoflavones, Flavonoids (epicatechin, naringenin, formononetin)
Research evidence
3 / 5
Traditional uses
Heart SupportReproductive HealthPain Relief
History & tradition

In traditional Chinese medicine, the dried stem of the evergreen wisteria, known as ji xue teng, has a long use as a blood tonic, prescribed to nourish the blood and support circulation, for anemia and menstrual irregularity, and for joint pain, rheumatism, and stiffness. Modern study has isolated genistein and a range of flavonoids from the stems, with reported antioxidant and other activities, though the research is early. This account is cultural and historical background only, not medical advice, and is not a recommendation for self-treatment.

References & research
Please note

These statements have not been evaluated by the Food and Drug Administration. This information is shared for traditional and educational interest only and is not intended to diagnose, treat, cure, or prevent any disease. Please consult a qualified healthcare professional before any medicinal use.

  • Traditional use only; not evaluated as a modern medicine
  • Consult a healthcare professional before any medicinal use
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