Wildflower Archive

woodland shrub

Early azalea

Rhododendron prinophyllum

Early azalea (Rhododendron prinophyllum)
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
Full details, see below

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

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

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.

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.