How to Propagate and Grow
Eryngium
Eryngium originate from Europe, South America and North Africa and are a genus of perennials with over two hundred species.
Leaves are divided and oval or heart shaped.
Flowers are thistle like and surrounded by pointed bracts.
Genus: Eryngium Family: Apiaceae/Umbelliferae
Species: E. giganteum
Common Names: Sea holly.
Classification: Perennial.
Height: 1.2m (48inches).
Flowering: From summer through autumn.
Usage: Ideal for front to middle of borders and beds.
They are very good as cut and dried flowers.
Site: Grow them in full sun, they thrive in it!
Soil: Ordinary poor and free draining soil.
Ground needs to be well and deep dug as the roots like to grow deep.
Propagation Methods: By seed when ripe.
You must sow these seeds immediately after collection, otherwise germination will be poor, slow and sparodic.
So, sow the seeds immediately.
Best germination temperature: 70 deg F.
Time from sowing to germination: 6 - 14 weeks.
How to sow seeds
By division in spring.
By root cuttings late winter.
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