Northern Bush Honeysuckle

Diervilla lonicera

Native to:
Canada, Labrador, Prince Edward I., United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Caprifoliaceae
Genus:
Diervilla
Species:
Diervilla lonicera
USDA Symbol:
DILO

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
150 cm
Light Requirements:
Part Shade,Shade
Drought Tolerance:
High
Bloom Months:
jun,jul,aug
Bloom Colors:
yellow
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:
★☆☆☆☆ Butterfly & moth species supported by this genus (NWF)

Host Plant for Caterpillars

Gypsy moth (Lymantria dispar), Harrisimemna trisignata, lilac sphinx (Sphinx kalmiae), Snowberry Clearwing (Hemaris diffinis)

Reported Fauna Sightings

Bees: Common eastern (Bombus impatiens), Two-spotted bumble (Bombus bimaculatus) Moths:Hemaris aethra

Garden & Ecology Notes

Wildlife Value:
bees, butterflies, hummingbirds
Deer Resistant:
Yes
Fall Color:
red, purple
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts vigorously from roots and root crown following fire. Often increases in abundance post-disturbance.

Soil Requirements

Soil Type:
rocky, well-drained, moderately fertile soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
thrives in rocky, open woodlands

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
14–42 days
Notes:
Seeds germinate best with cold stratification. Light may improve germination rates.

The above propagation data sourced from Claude AI

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).

Source: Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires light / surface sow (fine seed).

Source: Ontario Rock Garden & Hardy Plant Society