Rob's plants home garden plants wildlife seed photos plant sale journal topics plantlinks fun guestbook Eryngium planum

 

Viable seeds are plump, feathered arrowheads Common name flat sea holly Family apiaceae Life cycle perennial (Z5-9) Flowers steel blue Size 3' Light full sun Cultural notes well-drained soil; drought-tolerant. From seed give several weeks cold, then germinate at room temperature detailed seed-starting info below Striking! Both the flowers and the stems are blue. Good bee and butterfly plant (and wasps too, as the great golden digger wasp in the photo demonstrates). Plants are tap-rooted, and tricky to move.

Remaining rosette in December

In our garden, this plant grows in the following areas: rock garden annex, side garden

Read about all the eryngium species in our garden

About my plant portraits
PlantLinks to other web pages about Eryngium planum

Some particularly helpful links to other websites

Kemper plant portrait

plant details and photo

Seed-starting details for this plant

2007. Seed from '06 garden. A: Baggy 70F (4w; 20%G, 7d).
      B: Baggy 35F (9w; 10%G in 9th wk) - 70F (20%G, 3d)

Cold requirement isn't so clear from the results above.

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Last modified: March 11, 2007
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