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Blue eryngo

Eryngium planum

Flat-leaved eryngo

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A striking herbaceous plant. It is used to create decorative borders, beds, pot plants, containers and landscapes. Excellent for cut or dried flower arrangements. The blue color intensify with cold. And it is usefull for medicinal purposes. Be aware, they can overgrow and invade areas quickly, and with every little root that stays behind in the soil growing into a new plant, thy are tricky to remove from an area!

Planning

Difficulty
Moderate
Flowering time
Spring, Autumn, Winter
Fruiting time
Spring, Autumn, Winter

Harvesting

Harvest flowers when the entire flower heads and bracts turn blue.

Propagation

Seed
Propagate seeds in containers in a cold frame as soon as ripe and mature.
Division
Propagate by division during spring, although they may be slow to re-establish.
Cuttings
Insert root cuttings in late winter directly in the soil.

Special features

Attracts useful insects
Butterflies and beetles love the flowers.
Indoor plant
Grows well in pots, beds and containers in well-drained sandy soil under direct light.
Drought resistant
The fleshy roots help the plant to be drought tolerance.
Pot plant
Grows well in pots, beds and containers in well-drained sandy soil.
Attracts birds
Seed-eating songbirds.

Geography

Origin
Central and Southeastern Europe and central Asia
Natural climate
Temperate to Cold

Environment

Light
Full Sun
Soil moisture
Dry
Soil type
Chalk, Loam, Sand
Soil PH preference
Acid, Alkaline, Neutral
Frost hardiness
Hardy

Uses

Medicinal
The plant is diuretic. It is also used in the treatment of whooping cough.
Edible
The roots are used for medicinal purposes. Taste is sweetish and mucilaginous, but the root has no odour.

Personality

Family
Apiaceae
Flower colour
Blue
Scent
None

Problems

Root rot (needs dry or well-draining soils). Leaf spot diseases. Aphids, slugs and snails.

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