North America Native Plant

Twinberry Honeysuckle

Botanical name: Lonicera involucrata var. involucrata

USDA symbol: LOINI

Life cycle: perennial

Habit: shrub

Native status: Native to Alaska âš˜ Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Distegia involucrata (Richardson) Cockerell (DIIN5)  âš˜  Lonicera involucrata (Richardson) Banks ex Spreng. var. flavescens (Dippel) Rehder (LOINF)  âš˜  Xylosteum involucratum Richardson (XYIN)   

Twinberry Honeysuckle: A Hardy Native Shrub Worth Growing If you’re looking for a tough, beautiful native shrub that delivers year-round interest and supports local wildlife, twinberry honeysuckle (Lonicera involucrata var. involucrata) deserves a spot on your shortlist. This perennial shrub might not be the flashiest plant in the garden center, ...

Twinberry Honeysuckle: A Hardy Native Shrub Worth Growing

If you’re looking for a tough, beautiful native shrub that delivers year-round interest and supports local wildlife, twinberry honeysuckle (Lonicera involucrata var. involucrata) deserves a spot on your shortlist. This perennial shrub might not be the flashiest plant in the garden center, but it’s got character, resilience, and a whole lot of ecological value packed into its unassuming branches.

What Makes Twinberry Honeysuckle Special

Don’t let the honeysuckle name fool you – this isn’t the aggressive vine you might be thinking of. Twinberry honeysuckle is a well-behaved, multi-stemmed woody shrub that typically grows 4-13 feet tall and wide, making it perfect for medium to large landscapes. What really sets it apart is its unique fruit display: after the yellow tubular flowers fade, glossy black berries appear, dramatically framed by bright red bracts that look almost like tiny red bowties. It’s this distinctive feature that gives the plant its twinberry common name, as the berries often appear in pairs.

A True North American Native

This hardy shrub is native across an impressive range, calling home territories from Alaska down through Canada and much of the western United States. You’ll find native populations thriving in Alberta, British Columbia, Alaska, Manitoba, Ontario, Quebec, Saskatchewan, Nunavut, and extending south through Arizona, California, Colorado, Idaho, Michigan, Montana, Nevada, New Mexico, Oregon, Utah, Washington, Wisconsin, and Wyoming.

Perfect for Cooler Climate Gardens

One of twinberry honeysuckle’s greatest strengths is its exceptional cold tolerance. Hardy in USDA zones 2-7, this shrub laughs at harsh winters that would devastate more tender plants. If you’re gardening in a challenging northern climate, this native could become one of your most reliable performers.

Where Twinberry Honeysuckle Shines in Your Landscape

This versatile shrub works beautifully in several garden settings:

  • Woodland gardens: Thrives in the dappled light under tree canopies
  • Native plant gardens: A cornerstone species for authentic regional plantings
  • Wildlife habitat areas: Provides food and shelter for numerous species
  • Rain gardens: Tolerates periodic wet conditions
  • Slope plantings: Excellent for erosion control
  • Naturalized areas: Perfect for low-maintenance landscape zones

Growing Conditions Made Simple

Twinberry honeysuckle is refreshingly undemanding. It prefers moist, well-draining soil and performs well in partial shade to full sun, though it tends to be happiest with some protection from intense afternoon sun in warmer climates. The key to success is consistent moisture, especially during the plant’s establishment period.

Planting and Care Tips

Getting your twinberry honeysuckle off to a good start is straightforward:

  • Timing: Plant in spring or fall for best establishment
  • Spacing: Allow 6-8 feet between plants for mature spread
  • Watering: Provide regular water the first year, then it becomes quite drought tolerant
  • Mulching: Apply 2-3 inches of organic mulch around the base
  • Pruning: Minimal pruning needed – just remove dead or damaged wood in late winter

A Wildlife Magnet

The tubular yellow flowers are a hummingbird favorite, and you’ll also see various bees and butterflies visiting throughout the blooming period. The berries, while not palatable to humans, are relished by birds including thrushes, waxwings, and other native species. The dense branching structure provides excellent nesting sites and shelter.

Is Twinberry Honeysuckle Right for Your Garden?

Consider adding twinberry honeysuckle to your landscape if you want a low-maintenance native shrub that provides four-season interest, supports local wildlife, and thrives in cooler climates. It’s an excellent choice for gardeners who prefer naturalized plantings over formal landscapes and want to support regional ecosystems.

However, this might not be the best choice if you’re looking for a compact shrub for small spaces, prefer tropical-looking plants, or garden in very hot, dry climates where its preference for consistent moisture might be challenging to meet.

With its combination of ecological benefits, seasonal beauty, and tough-as-nails constitution, twinberry honeysuckle proves that native plants can be both practical and attractive additions to the home landscape.

Twinberry Honeysuckle

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Dipsacales

Family

Caprifoliaceae Juss. - Honeysuckle family

Genus

Lonicera L. - honeysuckle

Species

Lonicera involucrata (Richardson) Banks ex Spreng. - twinberry honeysuckle

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