woodland shrub
Early azalea
Rhododendron prinophyllum

Native to much of the USA
New Hampshire to southern Quebec, south to northwestern North Carolina and Kentucky; also southern Illinois to eastern Texas
- Light Full shade Sun tolerance
- Moisture Moist Moisture preference
- Zones n/a Cold to heat range
- Bloom May–Jun Flowering time
- Height up to 15 ft to 4.6 m
- Life cycle Perennial Annual to perennial
In the garden
A woodland shrub for full shade and evenly moist soil. At up to 15 ft, it needs room in shade gardens and woodland edges.
Growing conditions
Pollinators & wildlife
- Moths Snowberry Clearwing
also Hummingbird Clearwing, Nessus Sphinx, White Slant-line +1 more
Slender Clearwing - Bees Common Eastern Bumble Bee also Brown-belted Bumble Bee, Tricolored Bumble Bee, Azalea Mining Bee
- Butterflies Eastern Tiger Swallowtail also Spicebush Swallowtail, Hobomok Skipper
- Also visited by
- Flower flies: Greater Bee Fly
- Wasps: Common Aerial Yellowjacket
Butterflies that use this plant
Documented host and nectar records. Each links to a planting guide for that butterfly.
- Eastern tiger swallowtailnectar
- Spicebush swallowtailnectar
Full plant details
Where it grows
- Habitat
- WoodlandThe wild plant community it grows in.
- Native range
- Much of the USAUnited States (21): AR, CT, IL, KY, MA, MD, ME, MO, NC, NH, NJ, NY, OH, OK, PA, RI, TN, TX, VA, VT, WV. Where it grows wild on its own, by state and province.
- Native distribution
- New Hampshire to southern Quebec, south to northwestern North Carolina and Kentucky; also southern Illinois to eastern TexasThe same native range, usually more exact than the state list, and often noting where it has spread beyond it.
Growing conditions
- Light
- Full shadeHow much sun it takes, from full sun to full shade.
- Moisture
- MoistThe soil dampness it prefers, from dry to wet.
- Soil
- Thin, well-drained soilsThe soils it grows in naturally.
Growth & form
- Height
- up to 15 ft (to 4.6 m)Typical mature height.
- Life cycle
- PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).
Flowers, foliage & fruit
- Type
- ShrubWhat kind of plant it is.
- Bloom
- May–JunWhen it flowers.
- Flower color
- Pink, PurpleThe bloom color, or colors.
- Toxicity
- None knownWhether any part is poisonous to people or pets.