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Trillium erectum (Birthroot)

Beginner
skill rating
1 hour care
per year
0.5m
Max height
0.3m
Max spread
2-5 years
To maturity

Plant details

Botanical name

Trillium erectum

Other names

Birthroot, American shamrock, Bathroot, Bethroot, Bloody nose, Bumblebee root, Death root, Dog flower, Ground lily, Herb Paris, Indian balm, Lamb's quarters, Lamb's succory, Nosebleed, Orange blossoms, Red Benjamin, Squawroot, Stinking Benjamin, True love, Red trillium

Genus

Trillium Trillium

Species

T. erectum - T. erectum is a vigorous, upright perennial with erect stems, each bearing a whorl of three broadly ovate, pointed, mid-green leaves and, in spring, stalked, outward-facing, reddish-purple flowers, sometimes white or yellow, with spreading to slightly recurved petals.


Trillium erectum is: Deciduous

Habit

Upright

Awards

RHS AGM (Award of Garden Merit)

Flower

Reddish-purple in Spring

Foliage

Dark-green in Spring; Dark-green in Summer

How to care

Watch out for

Specific pests

Slugs , Snails Slugs , Snails

Rust Rust

General care

Propagation

Sow seed as soon as ripe in containers in a shaded cold frame.Takes 5-7 years to flower when seed raised. Divide rhizomes after flowering. Ensure that each rhizome section has a growing point. Will be slow to re-establish.

Propagation methods

Division, Seed


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Where to grow

Trillium erectum (Birthroot) will reach a height of 0.5m and a spread of 0.3m after 2-5 years.

Suggested uses

Cottage/Informal, Flavouring food and drinks, Beds and borders, Ground Cover, Low Maintenance, Wildflower, Wildlife, Woodland

Cultivation

Plant in deep, moist but well-drained, humus-rich soil. Prefers slightly acid to neutral soil and likes full or part shade. Mulch with leaf mould in autumn. Typically goes dormant in summer.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Moist but well-drained

Soil pH

Acid, Neutral

Light

Partial Shade, Full Shade

Aspect

North, East, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Trillium erectum

Other names

Birthroot, American shamrock, Bathroot, Bethroot, Bloody nose, Bumblebee root, Death root, Dog flower, Ground lily, Herb Paris, Indian balm, Lamb's quarters, Lamb's succory, Nosebleed, Orange blossoms, Red Benjamin, Squawroot, Stinking Benjamin, True love, Red trillium

Genus

Trillium Trillium

Species

T. erectum - T. erectum is a vigorous, upright perennial with erect stems, each bearing a whorl of three broadly ovate, pointed, mid-green leaves and, in spring, stalked, outward-facing, reddish-purple flowers, sometimes white or yellow, with spreading to slightly recurved petals.

Foliage

Deciduous

Habit

Upright

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Reddish-purple in Spring

Foliage

Dark-green in Spring; Dark-green in Summer


How to care

Watch out for

Specific pests

Slugs , Snails

Specific diseases

Rust

General care

Propagation

Sow seed as soon as ripe in containers in a shaded cold frame.Takes 5-7 years to flower when seed raised. Divide rhizomes after flowering. Ensure that each rhizome section has a growing point. Will be slow to re-establish.

Propagation methods

Division, Seed


Monthly care advice


Where to grow

Trillium erectum (Birthroot) will reach a height of 0.5m and a spread of 0.3m after 2-5 years.

Suggested uses

Cottage/Informal, Flavouring food and drinks, Beds and borders, Ground Cover, Low Maintenance, Wildflower, Wildlife, Woodland

Cultivation

Plant in deep, moist but well-drained, humus-rich soil. Prefers slightly acid to neutral soil and likes full or part shade. Mulch with leaf mould in autumn. Typically goes dormant in summer.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Moist but well-drained

Soil pH

Acid, Neutral

Light

Partial Shade, Full Shade

Aspect

North, East, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 8, Zone 7, Zone 6, Zone 5

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This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Tell us...
Soil drainage: Moist but well-drained Tell us...
Soil pH: Acid, Neutral Tell us...
Light: Partial Shade, Full Shade Tell us...
Aspect: North, East, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

GARDENS WITH THIS PLANT

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My Garden
Robert Kay
My Garden
My Garden
Sarah & Peter

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