Native Plants

Grimes’ Dewberry

Rubus grimesii

USDA symbol: RUGR5

perennial subshrub

Lower 48 states: native

If you’re looking for a native groundcover that’s both beautiful and beneficial to wildlife, Grimes’ dewberry (Rubus grimesii) might just be the hidden treasure your garden needs. This charming little shrub is one of those delightful natives that doesn’t demand the spotlight but quietly does important work in the ecosystem. ...

Grimes’ Dewberry may be listed as rare in your area.
Global Conservation Status

Status: S3S4Q | Apparently Secure: Uncommon but not rare, and usually widespread. Possible cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals.

Grimes’ Dewberry: A Rare Native Gem Worth Growing Responsibly

If you’re looking for a native groundcover that’s both beautiful and beneficial to wildlife, Grimes’ dewberry (Rubus grimesii) might just be the hidden treasure your garden needs. This charming little shrub is one of those delightful natives that doesn’t demand the spotlight but quietly does important work in the ecosystem.

What Makes Grimes’ Dewberry Special?

Grimes’ dewberry is a low-growing perennial shrub that stays refreshingly compact, typically reaching just 1.5 feet tall and rarely exceeding 3 feet at maturity. Don’t let its modest size fool you – this native plant packs a punch when it comes to supporting local wildlife and adding natural beauty to your landscape.

In spring, you’ll be treated to delicate white flowers that beckon pollinators like bees and butterflies. These blooms eventually give way to small, dark berries that wildlife absolutely love. The thorny, trailing stems might seem a bit rough around the edges, but that’s all part of its wild charm.

Where Does It Call Home?

This native beauty has made its home in the Mid-Atlantic region, specifically in Delaware, District of Columbia, Maryland, North Carolina, and Virginia. It’s perfectly adapted to the growing conditions in these areas, making it an excellent choice for gardeners looking to support their local ecosystem.

  • Species observed
  • No observations

A Word of Caution: Rarity Matters

Here’s something important to know before you start planning: Grimes’ dewberry has a conservation status that suggests it’s somewhat uncommon in the wild. This means if you decide to grow it (and we hope you do!), please make sure you source your plants responsibly. Look for reputable native plant nurseries that propagate their stock rather than wild-collecting. Your local native plant society can often point you in the right direction.

Growing Grimes’ Dewberry Successfully

The good news is that once you find a responsibly sourced plant, Grimes’ dewberry is relatively easy to please. Here’s what it needs to thrive:

Ideal Growing Conditions

  • Light: Partial shade to full sun – it’s quite adaptable
  • Soil: Well-draining soil; it’s particularly happy in sandy soils
  • Hardiness: Suitable for USDA zones 6-9
  • Moisture: Moderate water needs once established

Perfect Garden Roles

Grimes’ dewberry shines in several landscape situations:

  • Native plant gardens: A natural choice for authentic regional plantings
  • Woodland edges: Creates a natural transition between lawn and forest
  • Naturalized areas: Perfect for low-maintenance, wildlife-friendly spaces
  • Groundcover: Provides living mulch that spreads naturally

Planting and Care Tips

Once established, Grimes’ dewberry is refreshingly low-maintenance. Plant it in spring after the last frost, giving it space to spread naturally through runners. Water regularly the first year to help it establish, then step back and let it do its thing. You might want to wear gloves when working around it – those thorns mean business!

The plant will naturally spread to form colonies, which is exactly what you want for groundcover purposes. Just keep an eye on it in smaller gardens where space is at a premium.

Wildlife Benefits

This is where Grimes’ dewberry really earns its keep. The flowers provide nectar for pollinators in spring, while the berries feed birds and small mammals throughout the growing season. The dense, thorny growth also provides excellent shelter for small wildlife – think of it as a natural wildlife apartment complex!

Is Grimes’ Dewberry Right for Your Garden?

Consider adding Grimes’ dewberry to your landscape if you:

  • Want to support native wildlife and pollinators
  • Need a low-maintenance groundcover for naturalized areas
  • Live within its native range and want to grow regional plants
  • Don’t mind a plant that spreads naturally (in a good way!)
  • Can source plants responsibly from reputable nurseries

While Grimes’ dewberry might not be the showiest plant in your garden, it’s definitely one of the hardest working. By choosing this native species, you’re not just adding a lovely groundcover – you’re helping preserve a piece of your region’s natural heritage while creating habitat for local wildlife. Now that’s what we call a win-win!

Rubus grimesii is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Rubus grimesii is also known as:

Rubus cathartium | USDA symbol: RUCA13

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Rosidae
Order: Rosales
Family: Rosaceae Juss. - Rose family
Genus: Rubus L. - blackberry

Species: Rubus grimesii L.H. Bailey - Grimes' dewberry

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