North America Native Plant

Ecotone Blackberry

Botanical name: Rubus heterophyllus

USDA symbol: RUHE2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Ecotone Blackberry: A Mysterious Native Shrub Worth Knowing Meet the ecotone blackberry (Rubus heterophyllus), one of those intriguing native plants that makes you feel like you’ve discovered a botanical secret. This perennial shrub is so uncommon that even seasoned gardeners might do a double-take when they hear about it. What ...

Ecotone Blackberry: A Mysterious Native Shrub Worth Knowing

Meet the ecotone blackberry (Rubus heterophyllus), one of those intriguing native plants that makes you feel like you’ve discovered a botanical secret. This perennial shrub is so uncommon that even seasoned gardeners might do a double-take when they hear about it.

What Makes This Plant Special?

The ecotone blackberry is a compact, low-growing shrub that typically stays under 1.5 feet tall, though it can occasionally reach up to 3 feet at maturity. As a native species to the lower 48 states, it represents part of our natural heritage, even if it’s not commonly found in garden centers or landscapes.

Where Does It Call Home?

This native beauty has a surprisingly limited range, naturally occurring in just three states: Maryland, New York, and West Virginia. Its restricted distribution makes it something of a botanical treasure in these regions.

The Challenge of Growing Ecotone Blackberry

Here’s where things get interesting (and a bit challenging). The ecotone blackberry is so uncommon that detailed growing information is practically non-existent. This rarity presents both an opportunity and a dilemma for native plant enthusiasts.

What We Don’t Know (But Wish We Did)

Unfortunately, many details about this species remain mysteries:

  • Specific growing conditions and soil preferences
  • USDA hardiness zones
  • Detailed care requirements
  • Wildlife and pollinator benefits (though likely similar to other native blackberries)
  • Availability in the nursery trade

Should You Try to Grow It?

The honest answer is: it’s complicated. While supporting native plants is always admirable, the ecotone blackberry’s rarity means you’re unlikely to find it available for purchase. If you do encounter it, make sure any plant material is responsibly and legally sourced.

For most gardeners interested in native blackberries, consider these more readily available alternatives that provide similar benefits:

  • Common blackberry (Rubus allegheniensis)
  • Red raspberry (Rubus idaeus)
  • Black raspberry (Rubus occidentalis)

The Bottom Line

The ecotone blackberry represents one of those fascinating plants that reminds us how much we still have to learn about our native flora. While it may not be practical for most gardens, knowing about species like this helps us appreciate the incredible diversity of our natural world.

If you’re passionate about rare native plants and happen to live in Maryland, New York, or West Virginia, keep your eyes open during nature walks – you might just spot this elusive shrub in its natural habitat. Just remember to observe and appreciate rather than disturb these precious wild populations.

Ecotone Blackberry

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Rosaceae Juss. - Rose family

Genus

Rubus L. - blackberry

Species

Rubus heterophyllus Willd. - ecotone blackberry

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