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in Tucson, Phoenix,
and Southern California

Gardening in Tucson, Phoenix, and Southern California

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Lonicera japonica: Japanese Honeysuckle / Hall's Honeysuckle

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Description
Form: Trailing, or climbing, twining vine.
Lifespan: Perennial.
Leaf retention: Evergreen but cold deciduous.
Growth rate: Rapid.
Mature Size: 30' long as a climbing vine or 2' high as a ground cover.
Flowers: Fragrant, white, quickly aging to light yellow.
Bloom: Spring into summer.
Fruit: Small, black berries.
Leaves: Oval, dark green.
Stems: No thorns, branching. Roots wherever stem nodes touch ground.
Roots: Spreads by rhizomes. Highly invasive in moist ground.
Wildlife: Attracts butterflies, bees and, when trellised, hummingbirds. Berries in fall attract birds.
Toxic / Danger: Plant is slightly poisonous.
Origin: Asia.

Cultivation and Uses
USDA hardiness zones: 4-11.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun to part shade.
Water once established: Deep soak once or twice a month. More often in full sun, as needed, in hottest parts of year.
Soil: Tolerant, pH 6.1-7.8 (slightly acidic to slightly alkaline).
Mulch: To prevent shallow roots from heat damage.
Planting: Can be grown in a large container.
Prune: Trim back 30% between fall and mid-winter to contain size and remove dead vine build-up which can be a fire hazard. Can be cut nearly to ground to start over.
Litter: Moderate.
Propagation: Seed, cuttings or layering.
Uses: Ornamental, trellised screening, erosion control on banks and slopes in desert regions. Grow in pots to prevent invasiveness.

Comments
Often sold in nurseries as Lonicera japonica 'Halliana'.



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