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Carlina acaulis subsp. simplex bronze form
Bronze Friendly-thistle
Zone 3 to Zone 9
Plant Shapes: Rosette
Also called Alpine Thistle. This is not a thistle to be afraid of, but a well-behaved rock garden perennial. It forms a low rosette of bronzy-green, prickly thistle leaves, with huge heads of silvery-white flowers with a rusty-brown centre, nestling just above the leaves. Performs well in hot, sunny sites, even with poor soil. Combines beautifully with other Xeriscape plants, such as Blue Fescue, Yucca, creeping Sedums, Artemisia or Lavender. Unique in alpine troughs and other containers. A friendly thistle!

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Conditions     Appearance    
Sun Exposure
  Full Sun

Soil Type

Soil pH

Soil Moisture

Care Level

Foot Traffic

Rate of Spread
Flower Colour

Blooming Time
  Early Fall
  Late Summer
  Mid Summer

Foliage Color

Plant Characteristics
  Deer Resistant
  Drought Tolerant

Flower Head Size

   10-15 cm
   4-6 inches

   25-30 cm
   10-12 inches

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