American Rhododendron Society Web Site ARS
navigation menu background

Rhododendron Plant Search

New Search

  "Printer Friendly" Page

More Information: Rhododendron 'Yellow Hammer'


R. 'Yellow Hammer' 
  Photo: Chris Klapwijk

Predominant Flower Color:  Yellow

Flower/Truss Description:  Flower tubular-campanulate, ½" across, empire-yellow, unmarked. Held in multiple bud clusters with 2 flowers per bud.

Fragrant:  No

Bloom Time:  Early

Foliage Description / Plant Habit:  Leaves narrowly elliptic, about 1" long, slightly glossy, dark green. Upright habit, can become straggly as it grows. Prune to retain shape.

Height:  6 feet in 10 years.

Cold Hardiness Temp:  0°F  ( -18°C)

Parentage  (Seed Parent x Pollen Parent):  sulfureum x flavidum

Elepidote (E) or Lepidote (L):  L

Hybridized or Selected by:  Waterer, J.

Registration Reference:  RHS 58

Glossary of plant description terminology.
Note: Bloom time and 10 year height information are approximate and can vary dependent on weather and growing conditions.
Cold hardiness temperature is also an approximate value.


American Rhododendron Society
P.O. Box 43, Craryville, NY 12521
Ph: 631-533-0375   E-Mail: member@arsoffice.org
©1998-2024, ARS, All rights reserved.