North America Native Plant

Oakwoods Dewberry

Botanical name: Rubus largus

USDA symbol: RULA5

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Rubus valentulus L.H. Bailey (RUVA4)   

Oakwoods Dewberry: A Rare Texas Native Worth Protecting Meet the oakwoods dewberry (Rubus largus), a charming little shrub that’s flying under the radar in the native plant world. This low-growing beauty is one of Texas’s best-kept botanical secrets, and there’s a good reason you might not have heard of it ...

Rare plant alert!

Region: Conservation status by state

Status: S2?: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Oakwoods Dewberry: A Rare Texas Native Worth Protecting

Meet the oakwoods dewberry (Rubus largus), a charming little shrub that’s flying under the radar in the native plant world. This low-growing beauty is one of Texas’s best-kept botanical secrets, and there’s a good reason you might not have heard of it – it’s quite rare!

What Makes Oakwoods Dewberry Special?

The oakwoods dewberry is a petite perennial shrub that stays refreshingly manageable in size. Unlike its more boisterous cousins, this little dewberry keeps things low-key, typically staying under 1.5 feet tall and never getting taller than 3 feet. It’s the perfect size for gardeners who love native plants but don’t want something that’ll take over the yard.

You might also see this plant listed under its synonym, Rubus valentulus, in older botanical references, but Rubus largus is the name that’s stuck.

Where Does It Call Home?

This dewberry is a true Texan through and through. As far as we know, Texas is the only state where you’ll find oakwoods dewberry growing naturally. It’s what botanists call an endemic species – a plant that’s found nowhere else in the world.

The Rarity Factor: Handle with Care

Here’s where things get serious for a moment. Oakwoods dewberry has a Global Conservation Status of S2?, which essentially means we think it’s rare, but we’re not entirely sure. This uncertainty often indicates that the plant is uncommon and potentially at risk.

What does this mean for you as a gardener? If you’re lucky enough to find oakwoods dewberry available, make sure you’re getting it from a reputable source that propagates plants responsibly rather than wild-collecting them. Every plant in the wild is precious when you’re dealing with a rare species.

Why Consider Growing Oakwoods Dewberry?

Despite the limited information available about this elusive species, there are compelling reasons to consider adding it to your Texas native plant collection:

  • You’ll be growing a truly unique plant that few gardeners have
  • Supporting rare native species helps preserve Texas’s botanical heritage
  • Its compact size makes it perfect for smaller gardens or as an understory plant
  • As part of the Rubus family, it likely produces small berries that wildlife appreciate
  • Low-maintenance perennial that comes back year after year

Growing Your Oakwoods Dewberry

Since specific growing information for Rubus largus is limited, we can make educated guesses based on its relatives in the dewberry family and its Texas origins:

Ideal Growing Conditions

  • Partial shade to dappled sunlight (the oakwoods in its name suggests it grows under trees)
  • Well-draining soil with good organic content
  • Regular water during establishment, then moderate watering
  • Texas climate zones where it naturally occurs

Planting and Care Tips

Since oakwoods dewberry is rare, treat it like the treasure it is:

  • Plant in spring or fall when temperatures are moderate
  • Give it space to spread naturally – dewberries often have a trailing growth habit
  • Mulch around the base to retain moisture and suppress weeds
  • Avoid heavy fertilization – native plants usually prefer lean soils
  • Be patient – rare plants sometimes establish slowly

The Bottom Line

Oakwoods dewberry might not be the flashiest plant in your garden, but it’s certainly one of the most meaningful. By growing this rare Texas native, you’re participating in conservation right in your own backyard. Just remember to source it responsibly and give it the care this special little shrub deserves.

If you can’t find oakwoods dewberry available for purchase (which wouldn’t be surprising given its rarity), consider other native Texas dewberries or brambles that can provide similar ecological benefits while you keep your eyes peeled for this elusive beauty.

Oakwoods Dewberry

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 largus L.H. Bailey - oakwoods dewberry

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