Acorus Variegatus

Sweet Flag

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Non-Invasive Rhizome Grass
A problem solving, attractive grass-like groundcover for soggy sites, rain gardens, even standing water. Tossled tufts of narrow sweetly scented blades are striped with buttery white and green. Evergreen in the south; useful in all parts for erosion control especially along streams and banks. a.k.a. Acorus Calamus. Tiny berries form on sedge-like stalks in early summer. Foliage is sweetly fragrant when crushed.

Note: This is an archive page preserved for informational use.
Cultural and Growing Info is provided below.

Non-Invasive Rhizome Grass
A problem solving, attractive grass-like groundcover for soggy sites, rain gardens, even standing water. Tossled tufts of narrow sweetly scented blades are striped with buttery white and green. Evergreen in the south; useful in all parts for erosion control especially along streams and banks. a.k.a. Acorus Calamus. Tiny berries form on sedge-like stalks in early summer. Foliage is sweetly fragrant when crushed.

Code ACVA

Patent

Plant Type Perennials, Grasses, Groundcovers

Species gramineus

Height Short 6-12"

Spacing Plant 12" apart

Bloom Time Late Spring to Early Summer

Sun / Shade Full Sun to Half Sun / Half Shade

Zones 5-8

Soil Type Normal, Acidic, Clay, Sandy

Water Needs High

Sold In Plantable Pots (3.5x3.5x4")

Special Features

  • Deer Resistant
  • Rabbit Resistant

Planting Sites

  • For a Slope or Bank
  • Edgers
  • Groundcovers
  • Wet Site Tolerant

Acorus General Information

Sweetflag grows well in both boggy and moist garden soils. Naturalizes politely by spreading rhizomes. Native to Japan-neat clumping habit with grass-like foliage. Ornamental Grasses are restricted from Idaho and Oregon. Idaho has restricted all potted plant material from being shipped into Idaho at this time.

Acorus Plant Care

For a neat appearance, remove old foliage before new leaves emerge. Divide clumps every 2 to 3 years in early spring. Plant divisions in pots until well-rooted, then transplant to a permanent location. Requires moist, acidic soil. An excellent choice for the rain garden, stream or pond margins, bogs or moist woodland gardens.

Plantable Pots

Our plants are grown in 3.5x3.5x4” plantable pots. Made from 100% biodegradable coconut husk fibers (coir), these pots have tremendous advantages over plastic pots. With better air exchange, this "breathable" pot fosters robust root growth and reduces transplant shock since you can plant the pots directly in the ground. The pot naturally becomes part of the soil on its own over time—no composting required—and since they're made from a renewable resource that requires very little energy, they're earth-friendly too!

100% Guarantee

We offer a 100% unconditional guarantee for all our perennials to reach you in good condition and to grow. If you're not satisfied, we'll reship or refund immediately. Please don't hesitate to contact us if you have questions or concerns—we share your passion for gardening and want your new plants to thrive in your border!

Shipping Details

We use custom, earth-friendly packaging to make sure your order arrives in great condition, and we ship based on the best planting time for your growing zone (see the approximate dates below), unless otherwise indicated at checkout. If you wish, you can indicate a specific ship date during checkout.

Spring

  • Zone 3, 4: Early to Mid May
  • Zone 5: Late April to Early May
  • Zone 6: Mid to Late April
  • Zone 7: Early to Mid April
  • Zone 8: Late March to Early April
  • Zone 9, 10: Late March

Fall

  • Zone 2, 3, 4: Early September
  • Zone 5: Early to Mid September
  • Zone 6: Mid September
  • Zone 7: Mid to Late September
  • Zone 8, 9, 10: Late September to Early October

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