ARS Seed Exchange List
Members located in the EU have until Feb 7 to participate in the group order of ARS Seed Exchange.
Pollen-to-Seed Program
To encourage participation in the ARS Seed Exchange program, and to make available quality pollen, ARS Seed Exchange contributors are entitled to request up to a $50.00 in credit for pollen purchases made each year from the Rhododendron Species Botanical Garden at http://www.rhodygarden.org/catalogs.html or a catalog may be requested by mail at RSBG, PO Box 3798, Federal Way, WA 98063.
To participate, we ask you to submit your order and identify yourself as an ARS seed contributor. The RSBG will mail pollen directly to you and then bill the Seed Exchange.
Abbreviations
- h.p. – Hand pollinated seeds
- c.p. – Controlled pollination. (Stigma covered after pollination)
- o.p. – Open pollination
- c.w. – Collected in the wild. comp. – Companion plants
- Lots marked with strikethrough are “sold out”.
Links
Photo’s of Species, Danish Chapter
Species and Hybrids, ARS
Short species description from RSBG; A-C, D-J, K-P, Q-Z
Ordering
Ordering of seeds from ARS Seed Exchange will this year (for all of Europe) go through ARS. It is important that you write the order in numerical order to make the work easier.
Order directy on ARS order form.
ARS Seed Exchange List 2024
Betty Ann Addison, Minnesota USA24-001 h.p. Belle Fontaine X Ruby Parasol1
24-002 h.p. carolinianum album Mehlquest, selfed
24-003 h.p. (Ken Janeck x fulvum) X smirnowii
24-004 h.p. Rice Creek X Ruby Parasol1
24-005 h.p. Rice Creek Pink X yedoense var. poukhanense Evergreen azalea
24-006 h.p. Ruby Robin X yedoense var. poukhanense Evergreen azalea
1 Ruby Parasol is brachycarpum X Besse Howells. Hardy to -35ºF. Sun tolerant.
Peter Norris, Massachusetts USA24-007 o.p. Hal Bruce24-012 com. Asclepias tuberosa ‘Hello Yellow’
24-008 h.p. Main Street X (yuefengense x Sally Fuller)
24-009 h.p. Purple Passion X (yuefengense x Sally Fuller)
24-010 h.p. (yuefengense x Sally Fuller) X Firestorm
24-011 com. Arisaema heterophyllum (Dancing Cobra Lily – must be stratified)
24-013 com. Cardiocrinum cordatum var. glehnii (moist, shade/sun)24-014 com. Franklinia alatamaha (small flowering tree)24-016 com. Lobelia cardinalis (wild collected, Chilmark, MA)
24-015 com. Illicium X ‘Woodland Ruby’24-017 com. Stewartia serrata (small flowering tree)
Kristian Theqvist, Finland24-018 c.p. brachycarpum f. nemotoanum1 X Loisto2 Goal: Orange double flowers.24-024 c.p. Kristian’s Sunshine7 X Kultu Goal: Yellow flowers.
24-019 c.p. brachycarpum f. nemotoanum1 X Silberpfeil3 Goal: Double flowers, large leaves.
24-020 c.p. (degronianum ssp. heptamerum Enamoto x tsariense)4 X bureavioides5 Withdrawn
24-021 o.p. Kerttu6 X bureavioides5 Goal: Yellow flowers. indumented leaves.
24-022 c.p. Kristian’s Sunshine7 X bureavioides5 Goal: Yellow flowers, indumented leaves.
24-023 c.p. Kristian’s Sunshine7 X (degronianum ssp. heptamerum Enamoto x tsariense)4 Goal: Yellow flowers, indumented leaves.24-025 c.p. Loisto2 X Silberpfeil3 Goal: Orange flowers, large leaves.24-027 o.p. pilosum9
24-026 c.p. Merja8 X Loisto2 Goal: Orange flowers, low growth.
24-028 c.w. tomentosum10
1 brachycarpum f. nemotoanum: a semi double flower form of brachycarpum from Japan
2 Loisto: a hardy hybrid from K. Theqvist, Elsie Maria X Böhmen, orange flowers
3 Silberpfeil: smirnowii X rex, very large leaves and huge growth
4 degronianum ssp. heptamerum Enamoto X tsariense: a cross from Joe Harvey (ARHS 052/06), small leaves with good red brown indumentum, large white flowers
5 bureavioides: Warren Berg collection, SB 9022.3, Sichuan, Mugecuo, 12500 ft, very hardy
6 Kerttu: a hardy hybrid from K. Theqvist, Helsinki University X Golden Coach, yellow flowers
7 Kristian’s Sunshine: a hardy hybrid from K. Theqvist, Kullervo X Goldprinz, yellow flowers
8 Merja: a hardy hybrid from K. Theqvist, Helsinki University X Böhmen, orange flowers
9 pilosum: former Menziesia pilosa, now deciduous azalea, comes true as there is no matching nearby pollen source
10 tomentosum: former Ledum palustre, collected wild, Korppoo, Finland
Photos and information on hybrids and species used in the crosses.
Frederick Thurber, Massachusetts, USA24-029 h.p. Barbara Madeiros X lacteum RSF 75-242 Note: hybridized by Mike Medeiros.
Joe Bruso, Massachusetts USA24-030 h.p. (Harold Amateis x maximum) X pachysanthum
24-031 com. cardiocrinum gigantheum
John Weagle, Nova Scotia Canada24-032 o.p. canadense
24-033 o.p. canadense, white
24-034 o.p. vaseyi, pink
24-035 h.p. vaseyi, white find
Mike McCullough, California USA
24-036 c.w. columbianum (commonly known as western Labrador tea)
24-037 c.w. occidentale GG2 Note: Pale pink flowers.
24-038 c.w. occidentale Flynn Creek 1903 Note: 2 ½” pink & white candy stripe with orange flare.24-039 c.w. occidentale Mt Tam 1312 Note: White with yellow flare and pink tube.24-042 c.w. occidentale Hollister Hills State Vehicular Rec Area.
24-040 c.w. occidentale Mt Tam 2607 Note: White & pink candy stripe with yellow flare.
24-041 c.w. occidentale Mt Tam 3110 Note: White with orange flare, some pink on tube.
Jaakko Saarinen, Arboretum Mustila, Finland24-043 c.w. carolinianum near Sunburst Fall (NC)124-044 c.p. canescens (floriferous white, c.w. Jacobs Mtn. Alabama) X atlanticum ‘Seaboard’ Goal: low, floriferous white azalea.
24-045 c.p. Junistolz X Ted’s Cream Cracker Goal: late-flowering plant with large flowers.24-046 c.w. minus224-047 c.p. Sun Glory X Ted’s Cream Cracker Goal: large flowers with showy color combinations.
1 Found near Sunburst Falls (NC), 1210–1330 m elevation. mostly white-flowered; species status of R. carolinianum revived by Albach & Bauer 2022
2 Found near Schoolhouse Falls (NC), 1120–1200 m high elevation, but not carolinianum
Jack Looye, Nova Scotia, Canada
24-048 h.p. Calsap X Arthur Bedford24-049 h.p. Calsap X (Rhein’s Picotee x Madame Cochet)
24-050 h.p. [(carolinianum x Blue Diamond) x Starry Night)] X Boulderwood Blue Note: this carolinianum is a tetraploid.
24-051 h.p. Casanova X Fashion Plate
24-052 h.p. [(Hachman’s Charmant X Summer Glow) x Butterscotch1] X Wyandanch Pink
24-053 h.p. (Ingrid Melquest x Rio) X (yellow seedling x Dead Ringer)
24-054 h.p. Lavender Princess X Calsap
24-055 h.p. (maximum x yakushimanum) X Trinity
24-056 o.p. Red Max Note: nothing much else in bloom at the time, so most likely selfed.
24-057 h.p. Roslyn X Arthur Bedford
24-058 h.p. Roslyn X Calsap
24-059 h.p. Souvenir Du Président Carnot X Fireball deciduous azalea
24-060 h.p. [Sundust x (Casanova x Sweet Lulu)] X [(Golden Horseshoe X Yellow Stone) X Blazing Grace]
24-061 h.p. [Sundust x (Casanova x Sweet Lulu)] X (Sundust X Flautando #1-22)
24-062 h.p. Whitney’s Late Red X {[Chinaboy x (Charles Dickens x Mars)] x {[(Nova Zembla x (America x Mars)]#2 x (sibling #3)}}
24-063 h.p. degronianum ssp. yakushimanum Koichiro Wada X Black Widow
24-064 h.p. degronianum ssp. yakushimanum Koichiro Wada X brachycarpum var. roseum
24-065 h.p. degronianum ssp. yakushimanum Koichiro Wada X {{[China Boy x (Charles Dickens x Mars)] x [Nova Zembla x (America x Mars)] x Harold Amateis} #1 x {sibling #2}}
1 Butterscotch = Mary Belle X Casanova
Hannu Saarilahti, Finland24-066 c.p. brachycarpum ssp. brachycarpum Surikogi1 X smirnowii224-069 c.p. Hellikki5 X Stern von Japan6
24-067 c.p. pseudochrysanthum ‘Ben Nelson’3 X pseudochrysanthum RSF 1975/189
24-068 c.p. degronianum ssp. yakushimanum Koichiro Wada X bureavioides424-070 o.p. camtschaticum7 Note: mixed pollination of red and lilac plants.24-071 o.p. canadense7 Note: seed from several plants.
1 R. brachycarpum ssp. brachycarpum Surikogi originates from seed collected in the Japanese mountain Surikogi. See ARS SeedEx 2008-351.
2 R. smirnowii pollen was a gift from Kristian Theqvist, Finland
3 ‘Ben Nelson’ is an easily cultivatable form of pseudochrysanthum and thought to be a hybrid.
4 bureavioides pollen was from an exceptionally hardy individual, a gift from Kristian Theqvist, Finland.
5 Hellikki is a hardy Finnish smirnowii hybrid.
6 Stern von Japan is degronianum ssp. yakushimanum Koichiro Wada x (Fabia Group x smirnowii), a compact hardy hydrid with spectacular hose-in-hose flowers.
7 Does not hybridize with other plants.
Tomasz Cyba, Poland24-072 h.p. Belona X Allegretto Goal: low-growing hybrid with red flowers.
24-073 h.p. Belona X arboreum, red Goal: hardy arboreum hybrid with dense foliage and red flowers.
24-074 h.p. Schneekrone X Jersey Mammoth Goal: big-leaf rhododendron for zone 6A.
24-075 h.p. Schneekrone X macabeanum Goal: big-leaf rhododendron for zone 6B.
Erhard Moser, Germany24-076 c.p. aberconwayi ex ZH-G 04924-077 o.p. brachycarpum Note: compact trusses.
24-078 o.p. campanulatum ex Nepal
24-079 o.p. decorum ex KR771424-080 o.p. makinoi
24-081 o.p. platypodum
24-082 c.p. degronianum ssp. yakushimanum Edelweiss
Rick Edwards, Missouri USA
24-083 h.p. Annabella X Lollipop24-084 c.w. arborescens Note: Late blooming.24-086 o.p. Elizabeth Lane
24-085 o.p. colemanii
24-087 o.p. flammeum ‘Hazel Hamilton’
24-088 o.p. Mt. Saint Helens24-089 c.w. prinophyllum Note: Collected at Buffalo River, Ponca, AR.24-090 o.p. sanctum
24-091 o.p. Satan24-092 o.p. viscosum var. Montanum
Mike Oliver, Oregon USA24-093 o.p. occidentale SM30 Note: Flowers almost all yellow. Most yellow occidentale flower known.24-094 o.p. occidentale Note: Much yellow in flower
24-095 o.p. occidentale, unknown parent X (occidentale SM189 x occidentale SM232)
24-096 o.p. occidentale
Rhododendron Species Botanical Garden, Washington USA24-097 h.p. campanulatum ssp. campanulatum 2008/467 x 1604d9824-100 h.p. decorum
24-098 h.p. cinnabarinum ssp. Xanthocodon
24-099 h.p. crinigerum 05/013 x 05/02324-101 h.p. elliottii 05/209 x 88/08124-110 h.p. liliiflorum
24-102 h.p. exasperatum
24-103 h.p. faithiae
24-104 h.p. fulvum 02/442 x 91/088
24-105 h.p. glanduliferum
24-106 h.p. glischrum
24-107 h.p. hodgsonii
24-108 h.p. huanum
24-109 h.p. kiangsiense24-111 h.p. macabeanum CH24-116 h.p. polytrichum
24-112 h.p. mallotum 97/125 x 66/557
24-113 h.p. molle ssp. Japonicum
24-114 h.p. nipponicum
24-115 h.p. nipponicum RSF24-117 h.p. quinquefolium
24-118 h.p. schlippenbachii (best pink)
24-119 h.p. semibarbatum
24-120 h.p. thomsonii
24-121 h.p. tephropeplum
24-122 h.p. wardii 74/246
24-123 h.p. wiltonii
Lloyd Gilmore, British Columbia Canada
24-124 h.p. [Champagne Lace x (Butter Brickle x Marie Stark)] X Four Winds
24-125 h.p. [Champagne Lace x (Butter Brickle x Marie Stark)] X self
24-126 h.p. (Jeda x sanguineum ssp. haemaleum)1 X Whid Bee
24-127 h.p. (Jeda x sanguineum ssp. haemaleum)1 X Cherries and Merlot
24-128 h.p. Mario Pagliarini X (decorum 732 Cox 2006 x Dexter’s Spice)24-129 com. erythronium revolutum, pink Note: From Loess Creek, west of Spooke, BC.
1 Temporary name for this cross is “Big Pot”.
Ed Reekie, Ontario Canada24-130 c.w. ferrugineum Note: Collected in Canton Graubunden, Switzerland.24-132 c.w. hirsutum Note: Collected at 2,182 m elevation, Switzerland.
24-131 c.w. hirsutum Note: Collected at 2,253 m elevation, Switzerland.24-133 h.p. (maximum x Wojnar’s Purple) X faithiae
24-134 h.p. Ribbon Candy X Leonard Frisbie
24-135 h.p. Ribbon Candy X molle ssp. Japonicum
Bob Zimmerman, Washington USA
24-136 c.w. macrophyllum Note: Mt. Walker, Jefferson County WA.24-137 h.p. moupinense, pink and red forms sibbed
24-138 h.p. occidentale ‘Humboldt Picotee’ X Leonard Frisbie
24-139 h.p. seinghkuense ex CCHH
24-140 h.p. sinofalconeri ex AC #
Jeff Thompson, Massachusetts, USA24-141 o.p. Dorothy Swift
Richard Flavell, Connecticut USA24-142 h.p. Babylon X Perfume Goal: fragrance.
24-143 h.p. (Golden Horseshoe x macabeanum) X lacteum
24-144 h.p. (Golden Horseshoe x macabeanum) X sinofalconeri SEH Note: Pollen from Mike Bones.24-145 h.p. (smirnowii x sinogrande) X Laramie
24-146 h.p. (degronianum ssp. yakushimanum x falconeri) X [(catawbiense album x degronianum ssp. yakushimanum) x macabeanum]
Last four entries goal is big leaf hardy yellow.
Ron Rabideau, New Jersey USA24-147 o.p. (Summer Joy1 X Very Berry)2 Goal: shuffle the genes to potentially get some hardy tetraploids with big flowers and big thick leaves.
24-148 h.p. Jersey Mammoth3 X self Goal: Hardy, early blooming big-leaved plants.
24-149 h.p. Jersey Mammoth3 X faithiae Goal: Large, textured leaves, mid-summer bloom, colorful new growth, reasonably hardy.
1 Summer Joy is a tetraploid R. maximum from August Kehr. Name not registered.
2 Temporary name for this cross is ‘Ron’s #1″. Probably selfed, if not, sibbed. (only two plants blooming)
3 Jersey Mammoth = brachycarpum ssp. tigerstedii x macabeanum
Ray Clack, Oregon USA24-150 o.p. calendulaceum
24-151 o.p. Clear Creek
24-152 com. Eccremocarpus scaber Note: Chilean Glory Vine
Ron Rabideau, New Jersey, USA24-153 cw. brachycarpum ssp. fauriei. Note: From far eastern Russia
Contributors to ARS Seed Exchange
Name, Location LOTS
Addison, Betty Ann, Minnesota USA 001-006
Bruso, Joe, Massachusetts USA 030-031
Clack, Ray, Oregon USA 150-153
Cyba, Tomasz, Poland 072-075
Edwards, Rick, Missouri USA 083-092
Flavell, Richard, Connecticut USA 142-146
Gilmore, Lloyd, British Columbia Canada 124-129
Looye, Jack, Nova Scotia, Canada 048-065
McCullough, Mike, California USA 036-042
Moser, Erhard, Germany 076-082
Norris, Peter, Massachusetts USA 007-017
Oliver, Mike, Oregon USA 093-096
Rabideau, Ron, New Jersey, USA 153-153
Reekie, Ed, Ontario Canada 130-135
RSBG, Washington USA 097-123
Saarinen, Jaakko, Arboretum Mustila, Finland 043-047
Sarrilahti, Hannu, Finland 066-071
Rabideau, Ron, New Jersey, USA 147-149
Theqvist, Kristian, Finland 018-028
Thompson, Jeff, Massachusetts USA 141-141
Thurber, Frederick, Massachusetts, USA 029-029
Weagle, John, Nova Scotia Canada 032-035
Zimmerman, Bob, Washington USA 136-140