North America Native Plant

Kellogg’s Blackberry

Botanical name: Rubus kelloggii

USDA symbol: RUKE2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Kellogg’s Blackberry: A Mysterious Native Shrub Worth Understanding If you’ve stumbled across the name Kellogg’s blackberry (Rubus kelloggii), you might be wondering what exactly this plant is and whether it belongs in your garden. Well, you’re not alone in your curiosity – this particular species is something of an enigma ...

Rare plant alert!

Region: Conservation status by state

Status: S1?Q: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Uncertain taxonomy: ⚘ 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) ⚘

Kellogg’s Blackberry: A Mysterious Native Shrub Worth Understanding

If you’ve stumbled across the name Kellogg’s blackberry (Rubus kelloggii), you might be wondering what exactly this plant is and whether it belongs in your garden. Well, you’re not alone in your curiosity – this particular species is something of an enigma in the native plant world.

What is Kellogg’s Blackberry?

Kellogg’s blackberry is a perennial shrub that stays refreshingly compact, typically growing less than 1.5 feet tall and never exceeding 3 feet at maturity. This low-growing habit makes it quite different from the towering, thorny blackberry thickets you might be familiar with. As a native species to the lower 48 states, it represents part of our natural heritage – though its story is more complicated than most.

Where Does It Grow?

According to available records, Rubus kelloggii is documented as growing in Missouri. However, the limited geographic information available raises some questions about this plant’s true distribution and current status in the wild.

A Word of Caution: Rarity and Taxonomic Uncertainty

Here’s where things get interesting (and a bit concerning). Kellogg’s blackberry has a Global Conservation Status of S1?Q, which essentially means its status is undefined – not exactly the kind of clarity gardeners hope for! This unclear designation, combined with extremely limited available information about the species, suggests that this plant may be:

  • Extremely rare in the wild
  • Possibly misidentified or taxonomically questionable
  • No longer recognized under this particular name

Should You Plant It?

Given the uncertainty surrounding this species, I’d recommend extreme caution. If Rubus kelloggii is indeed a valid and rare species, any planting should only be done with responsibly sourced material from reputable native plant specialists who can verify its identity and provenance.

However, the lack of readily available information about growing conditions, care requirements, and even basic horticultural details makes this plant a challenging choice for most gardeners.

Better Alternatives for Your Garden

If you’re drawn to the idea of a compact, native blackberry relative, consider these well-documented alternatives:

  • Dwarf red blackberry (Rubus pubescens) – a low-growing native with excellent wildlife value
  • Wild red raspberry (Rubus strigosus) – provides food for birds and pollinators
  • Thimbleberry (Rubus parviflorus) – offers large, attractive leaves and tasty berries

The Bottom Line

While Kellogg’s blackberry remains an intriguing native species, the lack of clear information about its status, growing requirements, and availability makes it impractical for most gardeners. If you’re passionate about rare native plants and have access to verified specimens, it could be worth exploring – but for most of us, there are plenty of other wonderful native Rubus species that are better understood and more readily available.

Sometimes in the plant world, mystery doesn’t always mean magic – sometimes it just means we need to do more homework before we dig in!

Kellogg’s 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 kelloggii L.H. Bailey - Kellogg's blackberry

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