Diervilla rivularis

Willow-leaf Diervilla

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Deciduous shrub with a weeping habit and yellow flowers in summer. Native to Eastern North America, it is hardy and drought-tolerant once established.
yard Outdoor plants wb_sunny Shade / Half-shade / Sun pets Not pet-safe
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Plant Details

Common Name Willow-leaf Diervilla
Family Caprifoliaceae
Genus Diervilla
Species Rivularis
Origin United States (Eastern North America)
Blooming Summer (June-July) with small yellow flowers.
Leaf Color Green, turning yellow in autumn
Sunlight Shade / Half-shade / Sun
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

terrain
Soil

Well-drained loamy soil, tolerates various pH levels and clay.

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Watering

Moderate watering when young, drought tolerant once established. Reduce in winter dormancy.

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Sunlight & Care

Prefers full sun for best flowering, tolerates shade but may be leggy.

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Fertilization

Light application of slow-release fertilizer in spring before growth starts.

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Pruning

Prune after flowering to maintain shape and remove dead wood.

Pest Control Aphid Scale Insect Spider Mite

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 2 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 8 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
-31° – 95°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
20% – 90%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2000 – 80000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
10 – 50
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
water
Soil Moisture
10% – 70%
% volumetric
Water content in the growing medium
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Soil EC
300 – 1500
mS/cm
Electrical conductivity (nutrient concentration in soil water)

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