North America Native Plant

Smooth Solomon’s Seal

Botanical name: Polygonatum biflorum var. melleum

USDA symbol: POBIM

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Polygonatum melleum Farw. (POME9)   

Smooth Solomon’s Seal: A Graceful Native Woodland Wonder If you’re looking to add some understated elegance to your shady garden spots, let me introduce you to smooth Solomon’s seal (Polygonatum biflorum var. melleum). This charming native perennial might not be the showiest plant in the woodland garden, but it brings ...

Rare plant alert!

Region: Conservation status by state

Status: S5THQ: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Smooth Solomon’s Seal: A Graceful Native Woodland Wonder

If you’re looking to add some understated elegance to your shady garden spots, let me introduce you to smooth Solomon’s seal (Polygonatum biflorum var. melleum). This charming native perennial might not be the showiest plant in the woodland garden, but it brings a quiet sophistication that’s hard to beat.

What Makes This Plant Special?

Smooth Solomon’s seal is a native North American perennial that belongs to the forb family – essentially a non-woody plant that dies back to the ground each winter and returns faithfully each spring. This particular variety, var. melleum, represents a regional form that’s been documented primarily in Michigan and Ontario, making it a true regional treasure.

As a perennial, this plant is in it for the long haul, establishing itself in your garden and returning year after year with minimal fuss. It’s also known by the synonym Polygonatum melleum, though you’ll most commonly find it listed under its current botanical name.

Where Does It Call Home?

This variety of smooth Solomon’s seal is native to both Canada and the lower 48 United States, with documented populations in Ontario and Michigan. Its limited geographical distribution makes it particularly special for gardeners in these regions who want to showcase truly local native plants.

Why Consider Growing Smooth Solomon’s Seal?

Here’s the thing about smooth Solomon’s seal – it’s not going to knock your socks off with flashy flowers or bold foliage, but that’s exactly what makes it so valuable. This plant excels at:

  • Providing gentle texture and form in woodland gardens
  • Filling in understory areas where few other plants thrive
  • Creating natural-looking plant communities
  • Supporting local ecosystems as a native species

Since this is a native plant with no known invasive or noxious tendencies, you can feel good about adding it to your landscape without worrying about it taking over or causing ecological harm.

The Growing Reality Check

I’ll be honest with you – specific growing information for this particular variety is quite limited in the available literature. What we do know is that it shares the basic characteristics of other Solomon’s seal varieties, typically preferring shaded woodland conditions.

As a forb, it lacks woody stems and has its growing points at or below ground level, which means it’s well-adapted to surviving harsh winters by retreating underground.

Garden Design Ideas

While specific design recommendations for var. melleum are limited, smooth Solomon’s seal varieties generally work wonderfully in:

  • Woodland gardens and natural areas
  • Shade borders and understory plantings
  • Native plant gardens focused on regional species
  • Low-maintenance naturalized areas

A Word of Caution (The Good Kind)

The limited documentation and specific regional distribution of this variety suggests it might be relatively uncommon. If you’re lucky enough to source this plant, make sure you’re getting it from reputable native plant nurseries that practice responsible propagation methods.

The Bottom Line

Polygonatum biflorum var. melleum represents one of those quiet garden gems that serious native plant enthusiasts appreciate. While it may not have the extensive growing guides that more common plants enjoy, its status as a native regional variety makes it worth seeking out if you’re in Michigan or Ontario and want to support truly local plant communities.

Just remember – sometimes the most rewarding garden plants are the ones that require a little detective work and patience to understand. If you’re drawn to the idea of growing something truly special and regionally significant, this smooth Solomon’s seal variety might be just the plant to add some local character to your shade garden.

Smooth Solomon’s Seal

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Liliales

Family

Liliaceae Juss. - Lily family

Genus

Polygonatum Mill. - Solomon's seal

Species

Polygonatum biflorum (Walter) Elliott - smooth Solomon's seal

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA