Larson, H.L.

R. 'Adrie Schipper'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. 'Mrs Horace Fogg'

Hybridized By: Larson, H.L.

R. 'Arctic Tern'

Rhododendron Hybrid

R. trichostomum x R. groenlandicum

Hybridized By: Larson, H.L.

R. 'Barbara Houston'

Rhododendron Hybrid

R. 'Virginia Scott' x R. 'Belvedere'

Hybridized By: Larson, H.L.

R. 'Bergie Larson'

Rhododendron Hybrid

R. wardii var wardii x R. 'Jasper Group'

Hybridized By: Larson, H.L.

R. 'Bert Larson'

Rhododendron Hybrid

R. 'Diva Group' x R. strigillosum

Hybridized By: Larson, H.L.

R. 'Bill Dale'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. strigillosum

Hybridized By: Larson, H.L.

R. 'Blue Jay'

Rhododendron Hybrid

R. ponticum x R. 'Blue Ensign'

Hybridized By: Larson, H.L.

R. 'Bridgeport'

Rhododendron Hybrid

R. 'Loderi Helen' x R. strigillosum

Hybridized By: Larson, H.L.

R. 'Brigadoon'

Rhododendron Hybrid

? x R. yakushimanum

Hybridized By: Larson, H.L.

R. 'Buttered Popcorn'

Rhododendron Hybrid

R. Mrs Lammot Copeland x R. Mary Drennen

Hybridized By: Larson, H.L.

R. 'Clayoquot Warrior'

Rhododendron Hybrid

R. strigillosum x R. 'Essex Scarlet'

Hybridized By: Larson, H.L.

R. 'Crimson Pippin'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. sanguineum ssp sanguineum var haemaleum

Hybridized By: Larson, H.L.

R. 'Crossroads'

Rhododendron Hybrid

R. kyawii x R. strigillosum

Hybridized By: Larson, H.L.

R. 'Dave Dougan'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. 'calophytum x Grisette'

Hybridized By: Larson, H.L.

R. degronianum ssp yakushimanum 'Siouxon'

Rhododendron Species Selection

Selected By: Larson, H.L.

R. 'Diane Titcomb'

Rhododendron Hybrid

R. 'Marinus Koster' x R. 'Snow Queen Group'

Hybridized By: Larson, H.L.

R. 'Dixie Lee Ray'

Rhododendron Hybrid

R. 'Zuiderzee' x R. 'Naomi Pink Beauty'

Hybridized By: Larson, H.L.

R. 'Dixy Lee Ray'

Rhododendron Hybrid

R. 'Zuiderzee' x R. 'Naomi Pink Beauty'

Hybridized By: Larson, H.L.

R. 'Double Winner'

Rhododendron Hybrid

R. strigillosum x ?

Hybridized By: Larson, H.L.

R. 'Elizabeth Titcomb'

Rhododendron Hybrid

R. 'Marinus Koster' x R. 'Snow Queen Group'

Hybridized By: Larson, H.L.

R. 'Elmer's Orphan'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x ?

Hybridized By: Larson, H.L.

R. 'Elya'

Rhododendron Hybrid

R. 'Fabia Group x bureavii' x R. degronianum ssp yakushimanum

Hybridized By: Larson, H.L.

R. 'Elze Weesjes'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. strigillosum

Hybridized By: Larson, H.L.

R. 'Etta Burrows'

Rhododendron Hybrid

R. 'Fusilier Group' x R. strigillosum

Hybridized By: Larson, H.L.

R. 'Florence Archer'

Rhododendron Hybrid

R. wardii var wardii x R. 'Marcia'

Hybridized By: Larson, H.L.

R. 'Florence Blethen Duffy'

Rhododendron Hybrid

? x ?

Hybridized By: Larson, H.L.

R. 'Gandy Dancer'

Rhododendron Hybrid

R. 'Crest x Lionel's Triumph' x R. 'Diane'

Hybridized By: Larson, H.L.

R. 'Golden Pippin'

Rhododendron Hybrid

? x ?

Hybridized By: Larson, H.L.

R. 'Golden Wedding'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. 'Mrs Lammot Copeland'

Hybridized By: Larson, H.L.

R. 'Hazel Fisher'

Rhododendron Hybrid

R. 'Mrs Lammot Copeland' x R. 'Mary Drennen'

Hybridized By: Larson, H.L.

R. 'Helen Child'

Rhododendron Hybrid

? x ?

Hybridized By: Larson, H.L.

R. 'Ice Floe'

Rhododendron Hybrid

? x ?

Hybridized By: Larson, H.L.

R. 'Janet Scroggs'

Rhododendron Hybrid

R. 'Virginia Scott' x R. 'Jasper Group'

Hybridized By: Larson, H.L.

R. 'Jo Ann Newsome'

Rhododendron Hybrid

R. 'Jasper Group' x R. 'Dido Group'

Hybridized By: Larson, H.L.

R. 'Juan de Fuca'

Rhododendron Hybrid

? x ?

Hybridized By: Larson, H.L.

R. 'Julie Titcomb'

Rhododendron Hybrid

R. 'Marinus Koster' x R. 'Snow Queen Group'

Hybridized By: Larson, H.L.

R. 'Karen Triplett'

Rhododendron Hybrid

R. 'Seattle Gold' x R. 'Mary Drennen'

Hybridized By: Larson, H.L.

R. 'Lartag'

Rhododendron Hybrid

R. taggianum x ?

Hybridized By: Larson, H.L.

R. 'Lemon Marmelade'

Rhododendron Hybrid

R. 'Mrs Lammot Copeland' x R. 'Mary Drennen'

Hybridized By: Larson, H.L.

R. 'Lies Weesjes'

Rhododendron Hybrid

R. degronianum ssp yakushimanum x R. 'Belvedere'

Hybridized By: Larson, H.L.

R. 'Lucy Lou'

Rhododendron Hybrid

R. leucaspis x R. 'ciliatum x leucaspis'

Hybridized By: Larson, H.L.

R. 'Malahat'

Rhododendron Hybrid

R. 'Gill's Triumph' x R. strigillosum

Hybridized By: Larson, H.L.

R. 'Mary Drennen'

Rhododendron Hybrid

R. 'Angelo Group' x R. wardii var wardii

Hybridized By: Larson, H.L.

R. 'Mrs Bernice Baker'

Rhododendron Hybrid

R. 'Dawn's Delight' x R. fortunei ssp fortunei

Hybridized By: Larson, H.L.

R. 'Mrs Bryon Scott'

Rhododendron Hybrid

? x ?

Hybridized By: Larson, H.L.

R. 'Mrs Frank S. Baker'

Rhododendron Hybrid

? x ?

Hybridized By: Larson, H.L.

R. 'Mrs Helen Weyerhausen'

Rhododendron Hybrid

? x ?

Hybridized By: Larson, H.L.

R. 'Mrs Horace Fogg'

Rhododendron Hybrid

R. griersonianum x R. 'Loderi Venus'

Hybridized By: Larson, H.L.

R. 'Mrs Lammot Copeland'

Rhododendron Hybrid

R. wardii var wardii x R. 'Virginia Scott'

Hybridized By: Larson, H.L.

R. 'Mrs Paul B. Smith'

Rhododendron Hybrid

? x ?

Hybridized By: Larson, H.L.