North America Native Plant

Wet Thicket Dewberry

Botanical name: Rubus tardatus

USDA symbol: RUTA2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Wet Thicket Dewberry: A Native Ground Cover for Naturalized Gardens If you’re looking to add authentic native character to your landscape, wet thicket dewberry (Rubus tardatus) might just be the understated groundcover you never knew you needed. This low-growing perennial shrub brings a touch of wild northeastern charm to gardens ...

Wet Thicket Dewberry: A Native Ground Cover for Naturalized Gardens

If you’re looking to add authentic native character to your landscape, wet thicket dewberry (Rubus tardatus) might just be the understated groundcover you never knew you needed. This low-growing perennial shrub brings a touch of wild northeastern charm to gardens while supporting local ecosystems.

What is Wet Thicket Dewberry?

Wet thicket dewberry is a native perennial shrub that stays refreshingly compact, typically growing under 1.5 feet tall and never exceeding 3 feet at maturity. As a member of the Rubus genus (think blackberries and raspberries), it shares some family traits but maintains its own unique, low-growing personality.

Where Does It Naturally Grow?

This native beauty calls the northeastern United States home, naturally occurring in Maine, Michigan, Pennsylvania, and Vermont. As its name suggests, it thrives in wet thickets and similar moist habitats throughout these states.

Garden Appeal and Landscape Role

While wet thicket dewberry may not win any flashy flower contests, it brings subtle charm and authentic native character to landscapes. Its low-growing habit makes it an excellent choice for:

  • Naturalized woodland areas
  • Native plant gardens
  • Ground cover in challenging, moist spots
  • Wildlife-friendly landscaping

Growing Conditions and Care

Based on its natural habitat preferences, wet thicket dewberry likely appreciates:

  • Moist to wet soil conditions
  • Partial shade to dappled sunlight
  • USDA hardiness zones 3-6
  • Rich, organic soils similar to woodland settings

Its wetland status varies by region – it can handle both wetland and non-wetland conditions, making it quite adaptable to different moisture levels in your landscape.

Wildlife and Pollinator Benefits

Like other members of the Rubus family, wet thicket dewberry likely produces small white flowers that attract bees and other pollinators. The low-growing structure can also provide cover for small wildlife and ground-dwelling creatures.

Should You Plant Wet Thicket Dewberry?

Consider wet thicket dewberry if you:

  • Want to support native ecosystems in the Northeast
  • Have moist, challenging spots that need ground cover
  • Appreciate subtle, naturalized beauty over showy displays
  • Are creating wildlife-friendly habitats

The Reality Check

Here’s the honest truth: wet thicket dewberry isn’t widely available in the nursery trade, and specific growing information is limited. This reflects the reality of many native plants that haven’t made it into mainstream horticulture despite their ecological value.

If you’re interested in this species, you might need to:

  • Contact native plant societies in the Northeast
  • Look for specialized native plant nurseries
  • Consider similar native Rubus species that are more readily available

Wet thicket dewberry represents the kind of authentic native plant that quietly supports local ecosystems. While it may not be the easiest plant to find or grow, it offers dedicated native plant gardeners a chance to cultivate something truly special and regionally appropriate.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Atlantic and Gulf Coastal Plain

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Eastern Mountains and Piedmont

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Midwest

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Northcentral & Northeast

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Wet Thicket 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 tardatus Blanch. - wet thicket dewberry

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