North America Native Plant

Goldenrod

Botanical name: Solidago ×bartramiana

USDA symbol: SOBA4

Life cycle: perennial

Habit: forb

Native status: Native to Canada  

Synonyms: Solidago canadensis L. var. bartramiana (Fernald) Beaudry (SOCAB2)   

Goldenrod: The Elusive Solidago ×bartramiana Hybrid If you’re a native plant enthusiast with a passion for rare botanical treasures, Solidago ×bartramiana might just catch your attention. This goldenrod hybrid represents one of nature’s more mysterious creations, though growing it successfully might prove more challenging than your typical garden adventure. What ...

Rare plant alert!

Region: Conservation status by state

Status: S5T1Q: Status is uncertain but is somewhere between the following rankings: Uncertain taxonomy: ⚘ Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ 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. ⚘

Goldenrod: The Elusive Solidago ×bartramiana Hybrid

If you’re a native plant enthusiast with a passion for rare botanical treasures, Solidago ×bartramiana might just catch your attention. This goldenrod hybrid represents one of nature’s more mysterious creations, though growing it successfully might prove more challenging than your typical garden adventure.

What Makes This Goldenrod Special?

Solidago ×bartramiana is a perennial forb—essentially a non-woody flowering plant that comes back year after year. The × in its name reveals its secret: it’s a natural hybrid, born from the crossing of two different goldenrod species. Like other forbs, it lacks the woody stems of shrubs and trees, instead producing soft, herbaceous growth that dies back to ground level each winter.

You might also encounter this plant listed under its synonym, Solidago canadensis L. var. bartramiana, though the hybrid designation is more accurate for understanding its true nature.

A True Canadian Native

This goldenrod calls Canada home, with its entire known range limited to Newfoundland. Talk about exclusive real estate! This incredibly restricted distribution makes it one of the rarest goldenrods you could potentially encounter.

The Rarity Factor: Proceed with Caution

Here’s where things get serious. Solidago ×bartramiana carries a Global Conservation Status of S5T1Q, indicating it’s extremely rare with uncertain taxonomic status. If you’re considering adding this plant to your garden, you absolutely must source it responsibly. This means:

  • Never collect plants or seeds from wild populations
  • Only purchase from reputable native plant nurseries that propagate their own stock
  • Verify that any plant material comes from ethically sourced, nursery-propagated plants
  • Consider whether growing such a rare species is appropriate for your skill level

The Growing Challenge

Unfortunately, detailed growing information for this specific hybrid is virtually non-existent in horticultural literature. This lack of cultivation knowledge reflects both its rarity and its limited distribution. Without established growing guidelines, attempting to cultivate Solidago ×bartramiana becomes an experimental endeavor best suited for experienced native plant gardeners.

Consider These Alternatives

Given the rarity and cultivation challenges of Solidago ×bartramiana, you might want to consider other native goldenrod species that offer similar aesthetic appeal but with better-known growing requirements. Many regions have their own native Solidago species that provide excellent wildlife habitat, stunning fall displays, and much more reliable cultivation success.

If you’re specifically interested in supporting pollinators and wildlife, research the goldenrod species native to your area—they’ll likely provide better ecological benefits and growing success than this rare hybrid.

The Bottom Line

Solidago ×bartramiana represents botanical rarity at its finest, but it’s not a plant for casual gardening adventures. Its extremely limited range, uncertain growing requirements, and conservation concerns make it more suitable for specialized botanical gardens or expert native plant enthusiasts with access to responsibly sourced material.

For most gardeners passionate about native plants and supporting wildlife, focusing on the goldenrod species native to your specific region will provide better results, clearer growing guidance, and meaningful ecological benefits—while leaving rare treasures like Solidago ×bartramiana safely in their natural habitats.

Goldenrod

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Solidago L. - goldenrod

Species

Solidago ×bartramiana Fernald (pro sp.) [canadensis × uliginosa] - goldenrod

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