• Photo of Polygonatum biflorum (Polygonatum biflorums)

Plant Profile: Polygonatum biflorum

Taxonomy: Polygonatum biflorum

Names

Small Solomon's Seal, Smooth Solomon's Seal, Solomon's Seal

  • Photo of Polygonatum biflorum (Polygonatum biflorums)

Phonetic Spelling:po-lig-oh-NAY-tum by-FLOR-um

Genus:Polygonatum

Species:biflorum

Family:Asparagaceae

Solomon's seal is a wildflower indigenous to North Carolina, thriving in every region except the southeastern coast. It is cherished for its gracefully arching stems adorned with perfectly aligned leaves. The delicate cream-hued flowers appear in pairs, accompanied by bluish-black, fleshy berries.

This perennial herb features upright or gracefully bending, unbranched stems, with leaves arranged in a single plane. The flowers are white, bell-shaped, and consist of six parts, typically with one or two hanging from the leaf axils. Following the flowering stage, the plant produces berries that range in color from blue to black.

Solomon's seal prefers environments that vary from dry to moist, often found in rocky woodlands and thickets. In garden settings, it is cultivated as an ornamental herbaceous perennial. While it flourishes in rich woodland soil, it is adaptable and can thrive in various natural habitats.

The young shoots can be boiled for about ten minutes and enjoyed similarly to asparagus, or they can be chopped and added to salads. However, caution is advised, as the berries are toxic if consumed.

The plant has a rhizomatous root system, though it does not spread aggressively.

For propagation, seeds should be collected and sown in September. If not sown immediately, they will require cold-moist stratification. Rhizome cuttings can remain dormant for up to a year, and division of the plant is best performed in spring or fall during its dormant phase.

For further details on Polygonatum, additional resources are available.

Polygonatum biflorum Feature Summary

Polygonatum biflorum Image Gallery

Tags

#white
#yellow
#poisonous
#drought tolerant
#perennial
#shade tolerant
#herb garden
#native garden
#spring interest
#pollinator plant
#wildflower garden
#edible
#butterfly friendly
#partial shade tolerant
#HS302

Similar Plants

Polygonatum biflorum is often confused with:

Polygonatum biflorum Feature Summary

Attributes
Eastern North America, North Carolina
Roots consumed by mammals. Fruits attract birds.
Young shoots can be boiled for 10 minutes. Rootstock can be eaten after boiled for 20 minutes.
Perennial
Seed
Division
Root Cutting
Fruit
Round bluish black berries, .25-.5"
Black
Blue
Flowers
0.5 in. bell-shaped, 6-parted greenish-white flowers produced in leaf axils hang downward
White
Green
Cream/Tan
6 petals/rays
< 1 inch
Stem
Unbranched stem, erect or arching. 1-5' tall.
Zig Zags
Poisonous to Humans
Whole Plant Traits
Perennial
Native Plant
Poisonous
Wildflower
Herb
Arching
Erect
Cultural Conditions
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Deep shade (Less than 2 hours to no direct sunlight)
Good Drainage
Moist
Occasionally Wet
Occasionally Dry
Coastal
Mountains
Piedmont
4a
4b
5b
5a
6a
6b
7a
7b
8b
8a
3a
3b
9a
9b
High Organic Matter
Landscape
Rock Garden
Pollinator Garden
Rain Garden
Native Garden
Shade Garden
Border
Mass Planting
Small groups
Woodland
Naturalized Area
Butterflies
Pollinators
Poisonous to Humans

Polygonatum biflorum Attributes

Polygonatum biflorum: Country Or Region Of Origin

Eastern North America, North Carolina

Polygonatum biflorum: Wildlife Value

Roots consumed by mammals. Fruits attract birds.

Polygonatum biflorum: Edibility

Young shoots can be boiled for 10 minutes. Rootstock can be eaten after boiled for 20 minutes.

Polygonatum biflorum: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Polygonatum biflorum: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Polygonatum biflorum Fruit

Polygonatum biflorum: Fruit Description

Round bluish black berries, .25-.5"

Polygonatum biflorum: Fruit Type

Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua

Polygonatum biflorum: Fruit Color

grass
Black
grass
Blue

Polygonatum biflorum: Fruit Length

< 1 inch
1-3 inches
> 3 inches

Polygonatum biflorum Flowers

Polygonatum biflorum: Flower Description

0.5 in. bell-shaped, 6-parted greenish-white flowers produced in leaf axils hang downward

Polygonatum biflorum: Flower Color

filter_vintage
Cream/Tan
filter_vintage
Green
filter_vintage
White

Polygonatum biflorum: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Polygonatum biflorum: Flower Bloom Time

Winter
Spring
Summer
Fall

Polygonatum biflorum: Flower Petals

2-3 rays/petals
4-5 petals/rays
6 petals/rays
7 - 20 petals/rays
asymmetrical petals
Bracts
Colored Sepals
fused petals
more than 20 petals/rays
Tepals

Polygonatum biflorum: Flower Shape

Bell
Cross
Crown
Cup
Dome
Funnel
Irregular
Lipped
Radial
Saucer
Star
Trumpet
Tubular
Urn
Wheel

Polygonatum biflorum: Flower Size

1-3 inches
3-6 inches
< 1 inch
> 6 inches

Polygonatum biflorum Leaves

Polygonatum biflorum: Leaf Description

8-17 veined leaves.

Polygonatum biflorum: Leaf Color

spa
Green

Polygonatum biflorum: Deciduous Leaf Fall Color

spa
Gold/Yellow

Polygonatum biflorum: Leaf Type

Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple

Polygonatum biflorum: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Polygonatum biflorum: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Polygonatum biflorum: Hairs Present

No
Yes

Polygonatum biflorum: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Polygonatum biflorum: Leaf Feel

Fleshy
Glossy
Leathery
Papery
Prickly
Rough
Rubbery
Slippery
Smooth
Soft
Velvety
Waxy

Polygonatum biflorum: Leaf Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long-lasting
Showy

Polygonatum biflorum Stem

Polygonatum biflorum: Stem Description

Unbranched stem, erect or arching. 1-5' tall.

Polygonatum biflorum: Stem Is Aromatic

No
Yes

Polygonatum biflorum: Stem Form

Straight
Zig Zags

Polygonatum biflorum Poisonous to Humans

Polygonatum biflorum: Poison Symptoms

Vomiting, diarrhea.

Polygonatum biflorum: Poison Toxic Principle

Anthraquinone

Polygonatum biflorum: Poison Severity

High
Low
Medium

Polygonatum biflorum: Causes Contact Dermatitis

No
Yes

Polygonatum biflorum: Poison Part

Bark
Flowers
Fruits
Leaves
Roots
Sap/Juice
Seeds
Stems

Polygonatum biflorum Whole Plant Traits

Polygonatum biflorum: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Polygonatum biflorum: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Polygonatum biflorum Cultural Conditions

Polygonatum biflorum: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Polygonatum biflorum: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Polygonatum biflorum: Available Space To Plant

12 inches-3 feet
12-24 feet
24-60 feet
3 feet-6 feet
6-feet-12 feet
Less than 12 inches
more than 60 feet

Polygonatum biflorum: NC Region

Coastal
Mountains
Piedmont

Polygonatum biflorum: USDA Plant Hardiness Zone

thermostat
3a
thermostat
3b
thermostat
4a
thermostat
4b
thermostat
5a
thermostat
5b
thermostat
6a
thermostat
6b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
8b
thermostat
9a
thermostat
9b

Polygonatum biflorum: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Polygonatum biflorum Landscape

Polygonatum biflorum: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Polygonatum biflorum: Design Feature

Accent
Barrier
Border
Flowering Tree
Foundation Planting
Hedge
Mass Planting
Screen/Privacy
Security
Shade Tree
Small groups
Small Tree
Specimen
Street Tree
Understory Tree

Polygonatum biflorum: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland

Polygonatum biflorum: Attracts

Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees

Polygonatum biflorum: Problems

Allelopathic
Contact Dermatitis
Frequent Disease Problems
Frequent Insect Problems
Invasive Species
Malodorous
Messy
Poisonous to Humans
Problem for Cats
Problem for Children
Problem for Dogs
Problem for Horses
Short-lived
Spines/Thorns
Weak Wood
Weedy