Eryngium amethystinum
A clump-forming, semi-evergreen perennial with a rosette of basal foliage producing branching stems of oval, steely blue flowerheads in summer surrounded by blue-silver bracts.
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- Aspect: East-facing, South-facing, West-facing
- Exposure: Exposed, Sheltered
- Family: Apiaceae
- Flower Colour : Blue, Grey , Silver
- Flower Season: Summer
- Foliage: Semi-evergreen
- Habit : Clump-forming
- Hardiness : H5 (Hardy in most places throughout the UK even in severe winters) -15 to -10C
- Moisture: Well-drained
- pH: Acid, Alkaline, Neutral
- Season of Interest : Summer
- Soil: Chalk, Loam, Sand
- Sunlight: Full Sun
- Height & Width: 60cm x 30cm
Eryngium amethystinum
amethyst sea holly
CESSATION OF MAIL ORDER SERVICE
As of 1st July 2026, we will no longer be offering a mail order service. Orders received up to 30th June will be dispatched within 7-10 working days.
Our aim is to put more focus into our plant centre.
We can still help with sourcing plants for collection from our Langport plant centre. Simply email us your plant lists to [email protected] and we will contact you with prices and availability.
A clump-forming, semi-evergreen perennial with a rosette of basal foliage producing branching stems of oval, steely blue flowerheads in summer surrounded by blue-silver bracts.
Call to order
Call us now for the best price on 01458 250521.
