Sea Holly (Eryngium alpinum ‘Blue Star’)藍刺芹’藍星’
This is cool looking hardy perennial! It blooms almost metallic blue flowers and stems in all summer. Flowers attract bees and butterflies. Great for cut flower or dry flower uses. This goes well with yellow, orange, white, green and purple flowers. Very winter hardy. USDA Zones: 3-9. Easy to grow from seeds or dividing plant in early spring. Mature size is: 2.5′(H) x 1.5-2′(W). Easy to propagate by seeds or dividing from mature plant in early spring. Shown flowering plants were starting from seed last year.
這個花形獨特的強健多年生草花是夏天開藍色花,幾乎是金屬藍色的花及花莖,花頗吸引蜂蝶. 很適合做切花或乾燥花. 全日照為佳. 株高2.5呎寬1.5-2呎. 容易由種子繁殖,隔年就會開花,或初春時將成熟的植株分株來繁殖.