Summersweet (Clethra Alnifolia) is a perennial shrub in the Clethraceae family with easy care difficulty. It requires high watering and full sun or partial shade or full shade light in USDA hardiness zones 3-9. This plant is safe for cats and dogs.

Clethra alnifolia is a deciduous, fragrant-flowering shrub native to eastern North America, valued for its showy summer blooms and adaptability to moist soils.

Summersweet

Summersweet

Clethra Alnifolia

Clethra alnifolia is a deciduous, fragrant-flowering shrub native to eastern North America, valued for its showy summer blooms and adaptability to moist soils.

Quick Facts

Type
shrub
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
High
Light
Full Sun, Partial Shade, Full Shade
Hardiness Zones
3-9

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, loamy, peaty
Indoor:No
Outdoor:Yes
Garden Use:specimen, hedge, screen, erosion control

Care Calendar

Monthly care tasks for Summersweet

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

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

Summersweet
Summersweet detail

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Taxonomy

Family:Clethraceae
Genus:Clethra