Polygonatum
Common Name(s):
- Phonetic Spelling
- po-lig-oh-NAY-tum
- This plant has low severity poison characteristics.
- See below
- Description
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Solomon's Seal is a rhizomatous, erect or arching herbaceous perennial in the Asparagaceae (Asparagus) family. It does well in hardy zones 3-9. that reaches an average height of 6.5' tall. This plant blooms in late spring on unbranched stems. It is propagated by division of rhizomes. It is commonly planted in woodland gardens and shady, naturalized areas or flower gardens. This plant prefers shade and cool, organically rich, moist soil. It is tolerant of deep shade. It has no serious pest or disease problems.
P. biflorum (Small Solomon's Seal) grows 3' tall and contains 1-3 flowers per axil. It is more suitable for small gardens.
P. biflorum var.commutatum (Giant Solomon's Seal) grows 6.5' tall and contains up to 8 flowers per axil. It forms in large groupings.
P. humile dwarf speices
P. odoratum var. pluriflorum 'Variegatum' variegated cultivar.
P. pubescens a version with hairy undersides to the leaves.
Quick ID Hints:
- Alternate leaves on unbranched arching stems
- Tubular, nodding, yellow-green flowers in axils
- Leaves are two-ranked, parallel-veined
- See this plant in the following landscapes:
- Juniper Level Botanic Garden: Part Sun-Part Shade Garden Shady Garden in Cabarrus County Asian Garden - Zen Garden
- Cultivars / Varieties:
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P. biflorum
- P. biflorum var. commutatum
Giant Solomon's Seal
P. humile
- P. odoratum 'Goldilocks'
Dwarf
Variegated Asian cultivar P. pubescens
Small with hairs on leaf undersides - P. biflorum var. commutatum
- P. biflorum, P. biflorum var. commutatum, P. humile, P. odoratum 'Goldilocks', P. odoratum var. pluriflorum 'Variegatum', P. pubescens
- Tags:
- Cultivars / Varieties:
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P. biflorum
- P. biflorum var. commutatum
Giant Solomon's Seal
P. humile
- P. odoratum 'Goldilocks'
Dwarf
Variegated Asian cultivar P. pubescens
Small with hairs on leaf undersides - P. biflorum var. commutatum
- P. biflorum, P. biflorum var. commutatum, P. humile, P. odoratum 'Goldilocks', P. odoratum var. pluriflorum 'Variegatum', P. pubescens
- Tags:
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Attributes:
- Genus:
- Polygonatum
- Family:
- Asparagaceae
- Life Cycle:
- Perennial
- Recommended Propagation Strategy:
- Root Cutting
- Country Or Region Of Origin:
- Temp. Northern Hemisphere
- Particularly Resistant To (Insects/Diseases/Other Problems):
- Shade
- Edibility:
- Young shoots can be boiled for 10 minutes and served like asparagus. Whole shoots can be cut up and put into salad,
- Dimensions:
- Height: 2 ft. 0 in. - 3 ft. 0 in.
- Width: 0 ft. 9 in. - 1 ft. 0 in.
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Whole Plant Traits:
- Plant Type:
- Edible
- Herbaceous Perennial
- Poisonous
- Habit/Form:
- Arching
- Maintenance:
- Low
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Cultural Conditions:
- Light:
- Dappled Sunlight (Shade through upper canopy all day)
- Deep shade (Less than 2 hours to no direct sunlight)
- Partial Shade (Direct sunlight only part of the day, 2-6 hours)
- Soil Texture:
- High Organic Matter
- Soil Drainage:
- Good Drainage
- Moist
- Available Space To Plant:
- 12 inches-3 feet
- USDA Plant Hardiness Zone:
- 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b
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Fruit:
- Fruit Color:
- Black
- Blue
- Fruit Value To Gardener:
- Showy
- Display/Harvest Time:
- Fall
- Fruit Type:
- Berry
- Fruit Length:
- < 1 inch
- Fruit Description:
- Pendulous, black-blue 1/4" berries dangle from the leaf axils in the fall.
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Flowers:
- Flower Color:
- Gold/Yellow
- Green
- White
- Flower Value To Gardener:
- Fragrant
- Showy
- Flower Bloom Time:
- Spring
- Summer
- Flower Shape:
- Bell
- Tubular
- Flower Petals:
- 6 petals/rays
- Flower Size:
- < 1 inch
- Flower Description:
- Flowers are yellowish-green to white, tubular campanulate, axillary, and are on 1 to 3 peduncles, nodding, on underside of leafy stem. These fragrant flowers smell lily-like and bloom from late spring to early summer May-June.
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Leaves:
- Leaf Color:
- Green
- Leaf Value To Gardener:
- Good Cut
- Deciduous Leaf Fall Color:
- Gold/Yellow
- Leaf Type:
- Simple
- Leaf Arrangement:
- Alternate
- Leaf Shape:
- Elliptical
- Lanceolate
- Linear
- Ovate
- Leaf Margin:
- Entire
- Hairs Present:
- No
- Leaf Length:
- 3-6 inches
- Leaf Description:
- Leaves are usually alternate, upright, parallel-veined, distichate, simple, linear-lanceolate to elliptic-ovate, and entire. Leaves are 4" long and are attractive in flower arrangements. Leaves are sessile to short petiole.
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Stem:
- Stem Is Aromatic:
- No
- Stem Description:
- Stems are unbranched, and erect to arching.
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Landscape:
- Landscape Location:
- Naturalized Area
- Slope/Bank
- Woodland
- Landscape Theme:
- Cutting Garden
- Rain Garden
- Shade Garden
- Resistance To Challenges:
- Drought
- Dry Soil
- Erosion
- Heavy Shade
- Wet Soil
- Problems:
- Poisonous to Humans