Eryngium pandanifolium
pandan-like-leaved eryngo
An imposing plant, forming a dense clump of large, sword-shaped, spiny-margined blue-green leaves, to 1.5m. In late summer it produces stems to 2.5m, with axillary branches for their whole length, bearing many small, round, purplish-grey flower heads, which may mature to chocolate brown if not effected by frost
Size
Ultimate height
1.5–2.5 metresTime to ultimate height
2–5 yearsUltimate spread
1–1.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Blue Green | |||
---|---|---|---|---|
Summer | Grey Silver Purple | Blue Green | ||
Autumn | Brown | Blue Green | ||
Winter | Blue Green |
Position
- Full sun
Aspect
South–facing or East–facing or West–facing
Exposure
ShelteredDrought resistance
Yes Hardiness
H4Botanical details
- Family
- Apiaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Clump forming, Tufted
- Genus
Eryngium can be annuals, biennials or perennials with simple or divided leaves, often spiny edged, and cone-like flower-heads often surrounded by an involucre of conspicuous spiny bracts
- Name status
Correct
- Plant range
- South America
How to grow
Cultivation
Requires a sheltered position in moist, well drained fertile soil in full sun
Propagation
Propagate by seed sown in containers in a cold frame as soon as ripe. Divide clumps in spring, although they may be slow to re-establish, or take root cuttings in late winter
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Architectural
- Coastal
- Flower borders and beds
Pruning
Cut back old flowering stems after they have finished
Pests
May be susceptible to leaf and bud eelworms, and slugs and snails
Diseases
May be susceptible to root rot and powdery mildews
Get involved
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