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More Information: Rhododendron 'May Day'


R. 'May Day' 
  Photo: Don Wallace

Predominant Flower Color:  Red

Flower/Truss Description:  Flower campanulate, 2¾" across, bright orange-red with faint brown spots, large calyx. Held in a loose truss of about 8 flowers.

Fragrant:  No

Bloom Time:  Early Midseason

Foliage Description / Plant Habit:  Leaves elliptic, up to 4" long, dark matt green with thick tan-colored indumentum. Straggly habit. Grows wider than tall.

Height:  3 feet in 10 years.

Cold Hardiness Temp:  5°F  ( -15°C)

Parentage  (Seed Parent x Pollen Parent):  haematodes x griersonianum

Elepidote (E) or Lepidote (L):  E

Hybridized or Selected by:  Williams

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.


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