Variegated Sweet Flag
Acorus calamus 'Variegatus'

Family: Araceae (a-RAY-see-ee) (Info)
Genus: Acorus (AK-or-us) (Info)
Species: calamus (KAL-uh-mus) (Info)
Cultivar: Variegatus

Category:

Ornamental Grasses and Bamboo

Perennials

Ponds and Aquatics

Height:

6-12 in. (15-30 cm)

12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Spacing:

24-36 in. (60-90 cm)

Hardiness:

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Sun to Partial Shade

Light Shade

Partial to Full Shade

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Brown/Bronze

Cream/Tan

Inconspicuous/none

Bloom Time:

Late Spring/Early Summer

Foliage:

Grown for foliage

Evergreen

Variegated

Chartreuse/Yellow

Veined

Other details:

May be a noxious weed or invasive

Requires consistently moist soil; do not let dry out between waterings

Very high moisture needs; suitable for bogs and water gardens

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Non-patented

Propagation Methods:

By dividing the rootball

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Unblemished fruit must be significantly overripe before harvesting seed; clean and dry seeds

Properly cleaned, seed can be successfully stored

Regional

This plant has been said to grow in the following regions:

Ocala, Florida

Atlanta, Georgia

Lawrenceville, Georgia

Powder Springs, Georgia

Chicago, Illinois

Mattawan, Michigan

Waynesboro, Mississippi

Buffalo, New York

Cibolo, Texas

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Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Jun 22, 2002, lupinelover from Grove City, OH (Zone 6a) wrote:

I have the dwarf version: grows to 10" in water garden, stays at 6" in ordinary garden soil. Grown in water the roots can spread a considerable distance; should not be released into natural waterways.

Leaves are golden yellow with green margins. Very striking in shady areas.