Seed Exchange Lots for 2026
h.p. - Hand pollinated seeds.
c.p. - Controlled pollination. (Stigma covered after pollination)
o.p. - Open pollination.
c.w. - Collected in the wild.
com. - Companion plants.
Lots marked with strikethrough are "sold out".
Chris Trautmann, Oregon USA
26-001 h.p. Cold Steel1 X Mallotum
26-002 h.p. (Golden Horseshoe x macabeanum) X Laramie
26-003 h.p. montroseanum x Mallotum
26-004 h.p. Sir George Martin2 X macabeanum 'Bones'
1 Cold Steel = macabeanum X Laramie
2 Sir George Martin = Killer Diller x Avery (Chris Trautmann Cross)
Patricia Swift, Oregon, USA
26-005 c.w. macrophyllum
Frederick Thurber, Massachusetts USA
26-006 h.p. Alena X serotinum, RSF 99/120
26-007 h.p. auriculatum, RSF 1458 X glanduliferum, RSF 07/329
26-008 h.p. auriculatum, RSF 1458 X maeorense, RSF 13/32
26-009 h.p. Beauty of Halesite X glanduliferum, RSF 99/671
26-010 h.p. Bob Furman's Big Yellow X strigillosum, RSF 82/125
26-011 h.p. Cheryl's Choice X auriculatum (pink), RSF 81/025
26-012 h.p. Cheryl's Choice X Dexter's Peppermint
26-013 h.p. Cocheco Sweet Perfume X glanduliferum, RSF 98/578
26-014 h.p. Dexter's Honeydew X Dexter's Spice
26-015 h.p. Dexter's Peppermint X auriculatum (pink), RSF 81/025
26-016 h.p. Dexter's Peppermint X Dexter's Spice
26-017 h.p. Dexter's Peppermint X glanduliferum (pink), RSF 98/671
26-018 o.p. fortunei, RSF 29421
26-019 h.p. fortunei, RSF 2942 X glanduliferum, RSF 98/578
26-020 c.w. maximum Note: Manchester Cedar Swamp Preserve, New Hampshire
26-021 h.p. maximum 'Red Picotee' X protistum, RSF 00/192
26-022 h.p. maximum 'Red Picotee' selfed
26-023 h.p. Roseum Elegans X Purple Splendor
26-024 h.p. Roseum Elegans X serotinum, RSF 99/120
26-025 h.p. Thea Ann X glanduliferum, RSF 07/329
26-026 h.p. Thea Ann X glanduliferum RSF 98/578
26-027 h.p. Thea Ann X Dexter's Spice
1 Next to various Cowles hybrids such as Pastel Perfume, Apricot Gameo Kobuki, etc.
Mike McCullough, California, USA
26-028 c.w. occidentale, Big Basin Redwoods State Park
26-029 c.w. occidentale, San Francisco Botanical Garden
David Cain, Maine USA
26-030 h.p. Barbara Mederios X Goldprinz
26-031 h.p. Barbara Mederios X Hardgrove's Deepest Yellow
26-032 h.p. [(brachycarpum x Roseum Elegans) x yuefengense] X Dark Lord
26-033 h.p. [(brachycarpum x Roseum Elegans) x yuefengense] X Mark's Purple
26-034 h.p. Hardgrove's Deepest Yellow X Goldprinz
26-035 o.p. Larraine Note: cold hardy yellow
26-036 h.p. (maximum 'Red Picotee' x calophytum) X macabeanum hyrbid
26-037 h.p. Scintillation X (yuefengense x Sally Fuller)
26-038 h.p. The General X (yuefengense x Sally Fuller)
26-039 o.p. Vinecrest
26-040 h.p. Wheatley X Firestorm
26-041 h.p. Wheatley x macabeanum hybrid
26-042 o.p. yellow Hardgrove type seedling DC 25-108
26-043 o.p. yellow Hardgrove type seedling DC 25-116
26-044 h.p. (yuefengense x Sally Fuller) X Hardgrove's Deepest Yellow
Jack Looye, Nova Scotia, Canada
26-045 h.p. (Abe Arnot x Calsap) X sibling
26-046 h.p. Blue's Music1 X Shocking Blue2
26-047 h.p. Blue Spectacle X Blue Moon3
26-048 h.p. Hachmann's Charmant X Elegant Candy
26-049 h.p. {(Joan Newsome x Casanova) x [Golden Horseshoes x (Sandra Hinton x Casanova)]} X Helen Vieira
26-050 h.p. smirnowii X (Neon x Casanova) Note: The smirnowii is a petaloid.
26-051 h.p. (unknown hardy orange x Golden Horseshoes #1) X (unknown hardy 0range x Golden Horseshoes #2)
26-052 h.p. Whitney's Red X [(brachycarpum roseum X didimum) X Anna Delp]
1 Blue's Music = (tetraploid carolinianum x Blue Diamond) X Starry Night
2 Shocking Blue = (tetraploid carolinianum x fastigiatum F2) X Crater Lake
3 Sibling cross of [(tetraploid Carolinianum x Blue Diamond) x Starry Night)] X Blue Baron
Peter Norris, Massachusetts USA
26-053 h.p. America X (yuefengense x fortunei) Note: Compact with great foliage.
26-054 h.p. Apricot Fantasy X Wheatley
26-055 h.p. Belva's Joy X Shortcut1
26-056 h.p. Ben Moseley X Shortcut1 Note: Dark blotch with great foliage.
26-057 o.p. Bob Furman's Big Yellow
26-058 h.p. [(catawbiense x wardii) x vernicosum] X Trilby Note: multicolor yellow and red
26-059 h.p. Extraordinaire (Greer) X Loderi Venus Note: Large interesting trusses.
26-060 o.p. faithiae Note: Isolated and very late, so pure.
26-061 h.p. Furnival's Daughter X Shortcut1
26-062 h.p. Hachmann's Charmant X Shortcut1 Note: more compact with blotch, great foliage.
26-063 h.p. Helen Everitt X (yuefengense x fortunei) Note: possibly fragrant
26-064 h.p. Henry's Red X Shortcut1 Note: Red with great foliage.
26-065 h.p. Horizon Lakeside X vernicosum, Rock
26-066 h.p. Jean Marie de Montague X HP260-672
26-067 h.p. Loderi Venus X Sally Fuller
26-068 h.p. Loderi Venus X vernicosum Note: Large, multicolored trusses.
26-069 h.p. Mary Guthlein X vernicosum, Rock Note: Multicolor yellow and salmon.
26-070 h.p. Mary Belle X Shortcut1 Note: Multicolor with great foliage.
26-071 h.p. Mrs. W. R. Coe X (yuefengense x fortunei) Note: Compact, blotch, and great foliage.
26-072 h.p. Olin Dobbs X (yuefengense x fortunei) Note: Compact deep purple with great foliage.
26-073 h.p. Orange Leopard X
yuefengense Note: Compact, multicolor, great foliage.
26-074 h.p. (Red River x auriculatum) X yuefengense
26-075 h.p. Sally Fuller X Loderi Venus Note: Large fragrant trusses.
26-076 h.p. Trilby X Shortcut1 Note: Red with great foliage.
26-077 h.p. Virginia Richards X polytrichum Note: Large trusses, interesting foliage.
26-078 h.p. Vulcan's Flame X Shortcut1 Note: Red with great foliage.
26-079 h.p. War Dance X Shortcut1 Note: Compact red with great foliage.
26-080 h.p. War Dance X Frank Galsworthy Note: multicolor violet/orange/red.
26-081 h.p. Warlock X Shortcut1 Note: Red with great foliage.
26-082 com. Franklinia alatamaha Note: Beautiful small flowering tree, red fall color, stratify seeds.
26-083 com. Lobelia cardinalis Note: Wild collected.
26-084 com. Podophyllum plicanthum Note: Chinese Mayapple, likes damp.
26-085 com. Stewartia pseudocamellia 'Pewter Form' Note: Pink fruit and stems.
26-086 com. Stewartia rostrata Note: Beaked stewartia, red tipped seed pods.
26-087 com. Stewartia serrata
1 Shortcut = yuefengense X platypodum
2 HP260-67 is a gorgeous Dexter with large deep green foliage.
Betty Ann Addison, Minnesota, USA
26-088 h.p. April Dawn1 X mucronulatum
26-089 o.p. brachycarpum compactum "Green as Grass" Note: Isolated plant.
26-090 com. Ghost Fern Note: Painted X Lady Fern
1 April Dawn is a coral sport of April Rose. Cross hardy to -30ºF.
Bob Zimmerman, Washington USA
26-091 h.p. barbatum
26-092 h.p. decorum
26-093 h.p. facetum, base #9701 X sibling Note: Fragrant and marginally hardy.
26-094 h.p. kesangiae
26-095 h.p. macabeanum
26-096 h.p. rex
26-097 h.p. ririei
Michael Medeiros, Rhode Island, USA
26-098 o.p. dauricum album
Mike Stillwell, Virginia, USA
26-099 h.p. (Albert Close x degronianum, Yamoto form) X (Glenolden X Dexter's Orange)
26-100 h.p. (Caroline x Dexter's Peppermint) X Pupureum Elegans
26-101 o.p. chapmanii Note: dwarf, convoluted growth
26-102 h.p. Rockbridge X [(Cadis x Autumn Gold) x Snow Shimmer]
Thomas Chen, Massachusetts, USA
26-103 h.p. Big Deal X Kimberly Goal: Keep williamsianum appearance but improve hardiness and adaptability.
26-104 h.p. Francesco X Crimson Pippin Goal: Compact, red, zone 5.
26-105 h.p. Francesco X Tortoiseshell Wonder Goal: hardy orange, zone 5.
26-106 h.p. Haaga X (hyperythrum x pachysanthum) Goal: heat and cold tolerance, zone 5.
26-107 h.p. Lavender Haze X Am I Blue Goal: purple indumented, zone 6.
26-108 h.p. Picobello X Big Deal Goal: compact, hardy with white flowers/dark blotch.
26-109 h.p. Rudy Berg X Midnight Song Goal: Red flowers with red new foliage, zone 6.
26-110 h.p. Scintillation X Midnight Song Goal: Scintillation foliage with reddish flowers, zone 6.
26-111 h.p. Scintillation X Scarlet Leopard Goal: Foliage, speckled flowers, zone 6.
26-112 h.p. Tortoiseshell Wonder X Fashion Plate Goal: Zone 6 hardy orange.
Rhododendron Species Botanical Garden, Washington USA
26-113 h.p. aberconwayi
26-114 h.p. argrophyllum ssp. hypoglaucum
26-115 h.p. barbatum
26-116 h.p. benhallii
26-117 h.p. coeloneurum
26-118 h.p. coryanum
26-119 h.p. crinigerum
26-120 h.p. davidii
26-121 h.p. decorum
26-122 h.p. denudatum
26-123 h.p. edgeworthii
26-124 h.p. falconeri ssp. eximium
26-125 h.p. flinckii
26-126 h.p. fortunei ssp. discolor (white with green blotch)
26-127 h.p. fortunei ssp. discolor Withdrawn
26-128 h.p. habrotrichum
26-129 h.p. huanum
26-130 h.p. jingangshanicum
26-131 h.p. kesangiae
26-132 h.p. lanatoides
26-133 h.p. lanatum
26-134 h.p. luteiflorum
26-135 h.p. megacalyx
26-136 h.p. nipponicum
26-137 h.p. niveum
26-138 h.p. ochraceum
26-139 h.p. orbiculare ssp. orbiculare
26-140 h.p. oreotrephes
26-140A h.p. pentaphyllum
26-141 h.p. platypodum
26-142 h.p. polytrichum
26-143 h.p. qiaojiaense
26-143A h.p. quinquefolium
26-144 h.p. recurvoides
26-145 h.p. rex ssp. fictolacteum
26-146 h.p. rex ssp. rex
26-147 h.p. rothschildii
26-148 h.p. schlippenbachii, best pink
26-149 h.p. sinogrande
26-150 h.p. strigillosum
26-151 h.p. sutchuenense
26-152 h.p. thayerianum
26-153 h.p. thomsonii
26-154 h.p. wardii
26-154A com. Enkianthus serrulatus
Jaakko Saarinen, Finland
26-155 o.p. arborescens (Cheat Bridge form) Note: Isolated group, but may be slightly contaminated by calendulaceum pollen.
26-156 c.p. brachycarpum f. nemotoanum X decorum, NN 907 (white)
26-157 c.p. degronianum ssp. yakushimanum 'Koichiro Wada' X souliei, JN-12-297 (white)
26-158 c.p. degronianum ssp. yakushimanum 'Koichiro Wada' X decorum NN 907 (white)
Tomasz Cyba, Poland
26-159 h.p. Rabatz x arboreum
Lloyd Gilmore, British Columbia Canada
26-160 h.p. [Champagne Lace x (Butter Brickle x Marie Starks)] X self
26-161 h.p. [(Dexter's Spice x neriiflorum 'Rosevallon') x (Sooke Clouds x neriiflorum 'Rosevallon')] X [(Sooke Clouds x sanguineum ssp. haemaleum)#2 x Pretty Baby]
26-162 h.p. Golfer X Cherries and Merlot
26-163 h.p. Golfer X orchraceum, RSF 4209
26-164 h.p. Golfer X Snugbug Note: Snugbug is a tsariense hybrid.
26-165 h.p. (Horizon Lakeside x Cayenne) X [(Sooke Clouds x sanguineum ssp. hemaleum)#2 x Pretty Baby]
26-166 h.p. Jamaica Orange X [Champagne Lace x (Butter Brickle x Marie Starks)] Note: last cross listed is a dwarf with hose-in-hose yellow flowers.
26-167 h.p. [(Jeda x sanguineum ssp. haemaleum)#2 x Black Widow] X Golfer
26-168 h.p. [(Jeda x sanguineum ssp. haemaleum)#2 x Black Widow] X Snugbug Note: Snugbug is a tsariense hybrid.
26-169 h.p. Many Moons X Marie Starks
26-170 h.p. Marie Starks X (Many Moons x Jeda) Note: in Memory of Paul Wurz
26-171 h.p. (Noyo Brave x Peter Faulk) X Golfer
26-172 h.p. Pretty Baby X Golfer
26-173 h.p. protistum X kesangiae Goal: Hardy large leaf.
26-174 h.p. Senator Jackson X (decorum, Cox 732 2006 x Dexter's Spice)
26-175 h.p. Senator Jackson X Golfer
26-176 h.p. Senator Jackson X [(Jeda x sanguineum) x Pretty Baby]
26-177 h.p. Snugbug X Cherries and Merlot
26-178 h.p. (Sooke Clouds x neriiflorum 'Rosevallon') X [(Jeda x sanguineum ssp. haemaleum)#2 x Pretty Baby]
26-179 h.p. (Sooke Clouds x neriiflorum 'Rosevallon') X [(Party Orange x Parksville Sunset) x (Jeda x Ostbo's Red Elizabeth)]
26-180 h.p. (Sooke Clouds x neriiflorum 'Rosevallon') X Scented Sunrise
26-181 h.p. [(Sooke Clouds x sanguineum ssp.
haemaleum)#2 x Pretty Baby]1 X (decorum, Cox 732 2006 x Dexter's Spice)2
1 Best scented plant.
2 Best of 8 plants,
Walter Ostrom, Nova Scotia, Canada
26-182 h.p. aureum selfed
Ron Rabideau, Massachusetts, USA
26-183 o.p. maximum, "red" Second generation, plant #2. Note: Medium pink flower,
stems are beet red. Leaves with red veins. Only two siblings nearby in bloom, no other maximums or other plants.