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  • Amsonia tabernaemontana

Amsonia tabernaemontana

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Common name: Bluestar


Amsonia tabernaemontana is named for the delicate star-shaped flowers that grow in loose clusters atop its 1 m/3 ft stems. A native to southeastern USA and the Midwest, this spring flowering perennial is also known as willow amsonia, woodland bluestar or blue dogbane. 


Hummingbirds and large carpenter bees, and some species of moths and butterflies seek out its blue flowers looking for nectar. One species of butterfly larvae, the coral hairstreak butterfly caterpillar, feeds on its leaves. Research is being done on the importance of native plants that butterflies and moths munch on in their larvae state. This research is called ‘keystone plants’ since the food chain would suffer without these natives. The ecosystem collapses in a similar way that the removal of the ‘key’ stone in an ancient Roman arch will trigger its demise.


It is good to know that bluestar is adaptable. Bluestar can grow in sun or shade and isn’t fussy about soil. And the color blue of its flowers gives this native wildflower the edge on pollination. More about this plant. Bluestar’s genus name is in honour of 18th-century Virginian physician Dr. Charles Amson. Its specific epithet honours Jakob Theodor von Bergzabern who Latinized his name as Tabernaemontanus. 


Text and photos by Hughie - photos were taken by the Floating Bridge in bed 27 in May, 2022. 

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  • Home
  • Updates
    • What's New
    • Curator Updates
    • Garden Stories >
      • Garden Story Index
    • Self-Guided Tours
    • Walks & Talks >
      • Walks and Talks 2023
      • Walks and Talks 2022
      • Walks -Talks 2021 & Zoom Tips
    • PDFs of Updates, Tours, & Talks >
      • Self-guided Tours (PDF)
      • Gardener Walks (PDF)
  • Plant IDs
    • ID By Flower Color >
      • Red Flowers
      • Pink Flowers
      • Orange Flowers
      • Yellow Flowers
      • Green Flowers
      • Blue Flowers
      • Purple Flowers
      • White Flowers
    • ID By Type >
      • Annuals
      • Berries-Fruits-Nuts
      • Bulbs, Corms, Rhizomes, Tubers >
        • Bulbs
        • Corms
        • Rhizomes
        • Tubers
      • Ferns
      • Grasses
      • Medicinal Plants
      • Native Plants
      • Perennials >
        • Peonies
        • Salvias
      • Rhododendrons >
        • Rhodendron Erica Notes
      • Shrubs >
        • Calycanthus
        • Hydrangeas >
          • Hydrangea Background
        • Peonies >
          • Peonies-Overview
        • Rhododendrons
        • Roses >
          • Rose Background
      • Trees >
        • Conifers >
          • Cypress
          • Firs
          • Pines
        • Deciduous Trees >
          • Dogwoods
          • Ginkgos
          • Magnolias
          • Witch Hazels
        • Native Trees
        • Tree of the Month
  • In the Garden
    • Map and Collection Lists
    • Art in the Garden >
      • Symposium & Exhibitions
    • Building and Grounds >
      • Bridges
      • Formal Rose Garden Hardscape and Art
      • Grotto Area & Black Garden
      • Korean Pavilion
      • Maze
    • Gardener Assignments
    • Collections >
      • Ash Collection
      • Camellia Collection
      • Rhododendron Walk
    • Gardens >
      • Gardens A-D >
        • Alma VanDusen Garden
        • Backyard Bird Garden
        • Bentall Garden
        • Black Garden
        • Canadian Heritage Garden >
          • Bees
          • Canadian Heritage Orchard
        • Cascadia Garden
        • Cherry Grove
        • Chilean Garden
      • Gardens E-H >
        • Eastern North America Garden
        • Fern Dell
        • Formal Rose Garden
        • Fragrance Garden
        • Heather Garden
        • Herb Garden
        • Heritage Rose Garden
      • Gardens I-P >
        • Laburnum Walk
        • Livingstone Lake
        • Meconopsis Dell
        • Meditation Garden
        • Mediterranean Garden
        • Ornamental Grasses
        • Perennial Garden
      • Gardens R-Z >
        • Rhododendron Walk
        • Sino-Himayalan Region
        • South African Garden
        • Southern Hemisphere
        • Stone Garden
        • Vegetable Garden
        • Woodland Garden
    • Garden History >
      • History photos
  • Science
    • Animals & Insects >
      • Birds
      • Butterflies and Moths
      • Insect Friends
      • Small Creatures
    • Buds
    • Colour and Vision
    • Dynamic Symmetry - Fibonacci Spirals
    • Flowers
    • Fruit
    • Germination
    • Habitats and Environments
    • Hormones
    • Leaves
    • Life on Earth
    • Light, Energy, and Rainbows
    • Plant Calendars
    • Pollination
    • Pollen
    • Roots
    • Scents
    • Seeds
    • Soil
    • Stems
    • Vascular Plants
    • Web of Interdependence
    • Weeds
  • Bloedel
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  • About
    • ERICA, ERICA'S TREE (and a short history of Guiding) - June 14, 2018
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