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Smooth Honeysuckle

Lonicera dioica

Last reviewed: August 2026

Lonicera dioica is a native climbing honeysuckle that produces yellow tubular flowers from May through June across eastern and central North America. This deciduous vine attracts hummingbirds, bees, and butterflies to woodland edges and prairie borders.

Smooth Honeysuckle (Lonicera dioica)
Photo: (c) Rob Routledge, Sault College, Bugwood.org, some rights reserved (CC BY)

Light

part sun

Water

medium

Size

60"–240" H × 36"–120" W

Bloom

May, Jun

Native to

AR, CT, GA, IA and 27 more states

Pollinators

hummingbirds, bees, butterflies

Before you buy

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Smooth honeysuckle is a native climbing vine that produces tubular yellow to reddish flowers in late spring and early summer. Unlike its invasive cousins, this North American native stays well-behaved and provides excellent wildlife habitat. The vine climbs by twining and can cover fences, trellises, or arbors with attractive oval leaves.

Growing Smooth Honeysuckle

Grow Smooth Honeysuckle in part sun and medium water. Mature plants reach 60 to 240 inches tall and spread 36 to 120 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Smooth Honeysuckle is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.

Works well in: backyard only, mid zone.

  • Requires support structure to look intentional
  • Can appear messy without regular pruning
  • May be confused with invasive honeysuckle varieties

Wildlife value

This native honeysuckle is a magnet for hummingbirds, which are specially adapted to reach the nectar in its tubular flowers. It also attracts native bees and butterflies, and produces berries that feed songbirds.

Common questions

When does Smooth Honeysuckle bloom?
Lonicera dioica blooms from May through June, producing clusters of yellow tubular flowers.
What pollinators visit Smooth Honeysuckle?
Hummingbirds, bees, and butterflies are attracted to the nectar-rich flowers of Lonicera dioica.
Where is Smooth Honeysuckle native?
This species is native across much of eastern and central North America, from Maine to Wyoming and south to Georgia and Arkansas.
What growing conditions does Smooth Honeysuckle prefer?
Lonicera dioica grows well in full sun to partial shade with medium moisture levels, making it adaptable to various garden conditions.
Is Smooth Honeysuckle HOA-friendly?
Smooth Honeysuckle is generally an HOA-friendly choice in the right placement, with moderate maintenance.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Smooth Honeysuckle? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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