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    • Photo of Astragalus amphioxys flower, foliage by Stan Shebs

    Photo by Stan Shebs

    This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.

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    Astragalus amphioxys

    Also Known As

    • Astragalus amphioxys var. amphioxys
    • Crescent Milkvetch

    Plant type

    perennial

    size

    • H: 4"-10"
    • W: 12"-18"

    planting zones

    • 5a-11

    Astragalus amphioxys plant details

    Astragalus amphioxys is a broadleaf deciduous perennial with blue foliage. In spring purple flowers emerge followed by pink and yellow fruit. Attracts bees and butterflies making it an excellent addition to pollinator gardens. Grows well with sun and occasional - low water. Drought tolerant once established. Does well in gritty, lean, rocky and well-drained soil. A good option if you're seeking something heat tolerant.

    CHARACTERISTICS OF Astragalus amphioxys

    Plant type: perennial
    Plant family: fabaceae
    Foliage: deciduous blue
    Mature size: 12 IN - 18 IN - wide, 4 IN - 10 IN - tall
    Flowers: purple blooms in spring
    Uses: native plant, rock garden, xeric

    GROWING CONDITIONS for Astragalus amphioxys

    USDA Zones: 5a - 11
    Sun exposure: sun
    Watering frequency: occasional - low
    Resistant to: heat
    Soil needs: gritty, lean, rocky and well-drained

    Gardening facts about Astragalus amphioxys plant

    How to Grow Astragalus amphioxys

    • Sun Exposure

      • sun

    • Water Needs

      • occasional - drought tolerant

    • Soil Needs

      • lean
      • well-drained
      • rocky
      • gritty

    • Special Situation

      • heat tolerant

    Features

    • Foliage Color

      • blue

    • Flower Color

      • purple

    • Wildlife

      • bees
      • butterflies

    • Fruit

      • pink
      • yellow

    • Flower Season

      • spring

    • Foliage Season

      • deciduous

    See other plant types of Astragalus for your garden

    Astragalus aequalis

    aka Clokey's Milkvetch

    Plant Type

    Perennial

    Zones

    8a-11

    Size

    Height: 6"-12"

    Width: 6"-12"

    • sun
    • occasional - drought tolerant
    Photo of Astragalus aequalis flower by Stan Shebs
    View Plant

    Astragalus lentiginosus

    aka Freckled Milkvetch, Spotted Locoweed

    Plant Type

    Perennial

    Zones

    5a-9b

    Size

    Height: 6"-24"

    Width: 6"-24"

    • sun
    • occasional - drought tolerant
    Photo of Astragalus lentiginosus form by Stan Shebs
    View Plant

    Astragalus preussii var. laxiflorus

    aka Lancaster Milkvetch, Preuss' Milkvetch

    Plant Type

    Perennial

    Zones

    6b-10b

    Size

    Height: 6"-14"

    Width: 6"-14"

    • sun
    • occasional - drought tolerant
    Photo of Astragalus preussii var. laxiflorus form by Stan Shebs
    View Plant

    Astragalus remotus

    aka Spring Mountain Milkvetch

    Plant Type

    Perennial

    Zones

    7a-10b

    Size

    Height: 6"-12"

    Width: 6"-12"

    • sun
    • occasional - drought tolerant
    Photo of Astragalus remotus flower by Stan Shebs
    View Plant

    Astragalus canadensis

    aka Astragalus canadensis var. canadensis, Canada Milk Vetch, Canadian Milk Vetch, Rattle Vetch

    Plant Type

    Perennial

    Zones

    3a-9b

    Size

    Height: 2'-3'

    Width: 1'-2'

    • sun
    • regular - occasional
    Photo of Astragalus canadensis by Prairie Nursery
    View Plant

    More Options

    +2 more Astragalus
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