Overview

Gillenia trifoliata is a clump forming herbaceous perennial in the genus Gillenia, part of the Rosaceae family, with deciduous foliage. It typically grows around 0.5-1 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Gillenia trifoliata grows best in partial shade, and tolerates most soils and acid and neutral pH. Its UK hardiness is rated H7. Suggested uses include cottage and informal garden, city and courtyard gardens, flower borders and beds and cut flowers. It is native to Alabama, Arkansas, Delaware, District of Columbia, Georgia, Illinois, Indiana, Kentucky, Maryland, Massachusetts, Michigan and Missouri.

About

Gillenia trifoliata, common name Bowman's root or Indian physic, is a species of flowering plant in the family Rosaceae, native to eastern North America from Ontario to Georgia. It is an erect herbaceous perennial growing to 100 cm (39 in) tall by 60 cm (24 in) wide, with three lobed palmate leaves and pale pink flowers with narrow petals and reddish calyces above red coloured stems in spring and summer. In cultivation, this plant has gained the Royal Horticultural Society's Award of Garden Merit. It is very hardy to −20 °C (−4 °F) or lower, but requires a sheltered position in partial shade, with acid or neutral soil. Mature plants reach roughly 0.5-1 metres tall and 0.1-0.5 metres wide, carrying deciduous foliage. In the garden it prefers partial shade and most soil types. It tolerates acid and neutral soils, moist but well-drained conditions and south-facing, west-facing, north-facing and east-facing aspects.

Wikipedia contributors, CC BY-SA 4.0Gillenia trifoliata

About the genus

Gillenia is a genus of two species of perennial herbs in the family Rosaceae, Gillenia stipulata and Gillenia trifoliata. Common names for plants in this genus include: Bowman's root, Indian-physic, American ipecac. This genus is endemic to dry open woods with acidic soils in eastern North America.

Wikipedia contributors, "Gillenia", CC BY-SA 4.0Gillenia

Growing conditions

Best soil and position for Gillenia

Sunlight
Partial shade
Soil type
Clay, Loam, Sand
Soil pH
Acid, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing, North-facing, East-facing
Exposure
Sheltered
UK hardiness
H7

Plant details

Gillenia trifoliata size, habit and characteristics

Plant type
Herbaceous Perennial
Habit
Clump forming
Foliage
Deciduous
Height
0.5-1 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden, City and courtyard gardens, Flower borders and beds, Cut flowers
Native to
Alabama, Arkansas, Delaware, District of Columbia, Georgia, Illinois, Indiana, Kentucky, Maryland, Massachusetts, Michigan, Missouri

Care notes

Pruning and caring for Gillenia trifoliata

Cultivation
Prefers partial shade and moist, well-drained acid or neutral soil; requires sheltered position; hardy to −20 °C; suitable for cottage gardens and borders
Pruning
Cut back dead stems in late winter or early spring before new growth emerges
Propagation
Seed in pots in a cold frame in winter, Division in spring or autumn
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

How do I grow Gillenia trifoliata?

Prefers partial shade and moist, well-drained acid or neutral soil; requires sheltered position; hardy to −20 °C; suitable for cottage gardens and borders.

Where is the best place to plant Gillenia trifoliata?

Gillenia trifoliata prefers partial shade. It suits sheltered positions.

What soil does Gillenia trifoliata need?

Gillenia trifoliata is adaptable and grows happily in most soil types, including clay, loam and sand. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.

How do I prune Gillenia trifoliata?

Cut back dead stems in late winter or early spring before new growth emerges.

How big does Gillenia trifoliata grow?

Gillenia trifoliata reaches a height of 0.5-1 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.

Is Gillenia trifoliata hardy in the UK?

Gillenia trifoliata has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

How do I propagate Gillenia trifoliata?

Seed in pots in a cold frame in winter, Division in spring or autumn.

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