Swamp Azalea (Rhododendron Serrulatum) is a perennial shrub in the Ericaceae family with moderate care difficulty. It requires high watering and partial shade or dappled_shade light in USDA hardiness zones 6-9. This plant is toxic to cats and dogs — keep it out of reach of pets.

Rhododendron serrulatum is a deciduous shrub native to bogs, pocosins, and wet flatwoods, typically reaching heights between 0.6 to 1.8 meters.

Swamp Azalea

Swamp Azalea

Rhododendron Serrulatum

Rhododendron serrulatum is a deciduous shrub native to bogs, pocosins, and wet flatwoods, typically reaching heights between 0.6 to 1.8 meters.

Quick Facts

Type
shrub
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
High
Light
Partial Shade, dappled_shade
Hardiness Zones
6-9

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:peaty, loamy, silty
Indoor:No
Outdoor:Yes
Garden Use:ornamental, pollinator attractor, moisture garden specimen

Care Calendar

Monthly care tasks for Swamp Azalea

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
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Jun
...
Jul
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Aug
...
Sep
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Oct
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Nov
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Dec
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Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Swamp Azalea
Swamp Azalea detail

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Taxonomy

Family:Ericaceae
Genus:Rhododendron