Acorus gramineus 'Golden Pheasant' PP16216

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Photo Courtesy of Walters Gardens, Inc.
 Common Name: Grass-Ornamental
Common Name (Alternative): Sweet Flag

Narrow, strap-like leaves make a stunning appearance with their brilliant gold coloring that remains all season long. The new foliage is chartreuse and will attain the best gold coloring in full sun.

This cultivar is similar to A. g. 'Ogon' but it gets taller and is a more vigorous grower. Uses include: edging, groundcover, pond plant, or along shady pathways. It is particularly effective when combined with blue or purple foliage plants such as heuchera and hosta, or when planted in blue pots.

Sweet Flag gets its name from the tangerine-scented essential oil, calamus, which is present in all parts of the plant. This oil has long been used in perfumes and potpourri. It has even been used in the production of gin and beer as a flavor smoother and enhancer.

Native to bogs, shallow ponds, and marshes, this plant will grow in shallow water. It also looks great in tubs, pots, water gardens, and along the pond's edge. This grass is not invasive. Acorus is not a true grass. It is a member of the genus Araceae, which is the arum or philodendron family.


  12-14 Inches
  6-10 Inches
Foliage Color:
  Yellow shades
Hardiness Zone:
Find Your Zone
Sun or Shade?:
  Full sun (> 6 hrs. direct sun)
  Part shade (4-6 hrs. direct sun)
Wet or dry?:
  Average water needs
  Consistent water needs
Need critter resistant plants?:
  Deer resistant
How fast should it grow?:
When should it bloom?:
  Grown for its attractive foliage
How's your soil?:
  Fertile Soil
Sweet or Sour Soil?:
  Acidic Soil (pH < 7.0)
What's your garden style?:
  Rain Garden
  Water Garden


Bog plant
Border plants
Mass Planting

Homeowner Growing & Maintenance Tips:

Acorus prefers to grow in fertile, constantly moist, acidic soil. However, it will tolerate a wide range of conditions as long as moisture is constantly available. It will even grow in standing water up to 5" deep. If the soil dries out, the tips of the leaf blades will brown and be unsightly. In most parts of the country Acorus can be grown in full sun. In warmer inland areas, however, some shade should be provided.


Common/Botanical Name
Astilbe 'Montgomery'
Common Name: Astilbe-Japanese
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Hibiscus 'Sweet Caroline'
Common Name: Rose Mallow
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Ligularia dentata 'Britt-Marie Crawford' PP16113
Common Name: Ligularia-Bigleaf
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Chelone lyonii 'Hot Lips'
Common Name: Turtlehead-Pink
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Myosotis sylvatica 'Royal Blue Compact'
Common Name: Forget-Me-Not
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Hosta 'Bressingham Blue'
Common Name: Hosta
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Heuchera 'Frosted Violet' PP15085 COPF
Common Name: Coral Bells
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Geranium 'Tiny Monster'
Common Name: Geranium-Hardy
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Iris ensata 'Mixed'
Common Name: Iris-Japanese
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While every effort has been made to describe this plant accurately, please keep in mind that the height, bloom time, and color may differ in various climates throughout the country. The description of this plant was written based on our experience growing it in Michigan (USDA hardiness zone 5) and on numerous outside resources.