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Eryngium x tripartitum (Tripartite eryngo)

Beginner
skill rating
1 hour care
per year
0.9m
Max height
0.5m
Max spread
2-5 years
To maturity

Plant details

Botanical name

Eryngium x tripartitum

Other names

Tripartite eryngo

Genus

Eryngium Eryngium

Species

E. x tripartitum - E. x tripartitum is an herbaceous perennial with a bushy habit. Its basal leaves are grey-green and it has erect, violet-blue branches. In summer and autumn it bears cone-like purple heads with dark-blue bracts.


Eryngium x tripartitum is: Deciduous

Habit

Bushy, Erect

Awards

RHS AGM (Award of Garden Merit)

Flower

Purple, Blue in Summer; Blue, Purple in Autumn

Foliage

Silvery-grey, Green in Summer; Green, Silvery-grey in Autumn

How to care

Watch out for

Specific pests

Leaf and bud eelworms Leaf and bud eelworms

Foot and root rot , Powdery mildew Foot and root rot , Powdery mildew

General care

Pruning

Can cut back flower stems after flowering but they are attractive throughout winter.

Propagation methods

Root cuttings


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Where to grow

Eryngium x tripartitum (Tripartite eryngo) will reach a height of 0.9m and a spread of 0.5m after 2-5 years.

Suggested uses

Coastal, Cottage/Informal, Flower Arranging, Beds and borders, Gravel, Wildlife

Cultivation

Plant in dry, well-drained soil that is poor or moderately fertile in full sun. Dislikes wet conditions in winter.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Exposed

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

Eryngium x tripartitum

Other names

Tripartite eryngo

Genus

Eryngium Eryngium

Species

E. x tripartitum - E. x tripartitum is an herbaceous perennial with a bushy habit. Its basal leaves are grey-green and it has erect, violet-blue branches. In summer and autumn it bears cone-like purple heads with dark-blue bracts.

Foliage

Deciduous

Habit

Bushy, Erect

Awards

RHS AGM (Award of Garden Merit)


Colour

Flower

Purple, Blue in Summer; Blue, Purple in Autumn

Foliage

Silvery-grey, Green in Summer; Green, Silvery-grey in Autumn


How to care

Watch out for

Specific pests

Leaf and bud eelworms

Specific diseases

Foot and root rot , Powdery mildew

General care

Pruning

Can cut back flower stems after flowering but they are attractive throughout winter.

Propagation methods

Root cuttings


Monthly care advice


Where to grow

Eryngium x tripartitum (Tripartite eryngo) will reach a height of 0.9m and a spread of 0.5m after 2-5 years.

Suggested uses

Coastal, Cottage/Informal, Flower Arranging, Beds and borders, Gravel, Wildlife

Cultivation

Plant in dry, well-drained soil that is poor or moderately fertile in full sun. Dislikes wet conditions in winter.

Soil type

Chalky, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Full Sun

Aspect

South, East, West

Exposure

Exposed

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

Hardy (H4)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6

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This plant likes... Garden match
Soil types: Chalky, Loamy, Sandy Tell us...
Soil drainage: Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Full Sun Tell us...
Aspect: South, East, West Tell us...
Exposure: Exposed Tell us...
Hardiness: Hardy (H4) Tell us...

GARDENS WITH THIS PLANT

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My Garden
Keith McGuire

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