Scion is available from these varieties.  Scion order deadline is February 15th each year.

Apple:

39th Parallel | Ahaiski Sweet | Airlie | Alexander | Amber | American Summer Pearmain | Anise Russet | Antonovka 1.5 # | Antonovka Shafran | Apple Pear Cross | Apricot | Arkansas Black | Arlet | Ashmead's Kerrnel | Astrid | Aurora | Baldwin | Bashkian Beauty | Belle fleur Rouge | Ben Davis | Benoni | Bitter Forest | Black Amish | Black Ben Davis | Black Twig | Blue Pearmain | Bogo Belle de Boskkoop | Bonneys Best | Braeburn | Braestar | Bramley | Breakwell Seedling | Brown's Apple | Bushey Grove | Calville Blanc | Carter's Blue | Cheddar | Chenango Strawberry | Chestnut Crab | Chisel Jersey | Chris's Chance Seedling | Cinnamon spice | Clifford | Cox Orange Cherry | Cox's Orange Pippen | Crow Egg | Dabinett | Darwin's Jonathan B118 | Devonshire Quarrenden | Djulabia | Doux Normandel | Dudley | Egermont Russet | Empire | Enterprise | Esopus Spitzenburg | Eve's Delight | Fall Russet | Flameuse | Frostbite | Fuji | Gala | Gilpin | Glockenapfel | Gloria Mundi | Glowing Heart | Golden Delicious (Mullins) | Golden Delicious (Spur Type) | Golden Harvey | Golden Nugget | Golden Russet | Goldrush | Granny Smith | Gravenstein Washington Red | Grenadier | Grimes | Hall's Pink | Harlson | Harrison | Harry Masters Jersey | Hawkeye | Hewe's | Hidden Rose | Honeycrisp | Honora | Hudson's Golden Gem | Idared | Irish Peach | Iron Bridge | Jean | Jonagold | Jonagrimes | Jonathan | Jonathan (Darwin's) | July Red | July Tart | Kandil Sinap | Keepsake | Kidd's Orange Red | King David | Kinniard's Choice | Lady (Api) | Lady Williams | Liberty | Lodi | Macoun | Mantet | Milo Gibson | Minister | Mother | Mott's Pink | Natilie | Nehou | Newtown Spitzenberg | NJ 55 | Northern Spy | Palmer Greening | Pink Lady | Pink Pearl | Pink Sugar | Pitmaston Pineapple | Prairie Spy | Pumpkin Russet | Ravin | Red Cinnamon | Red Devil | Redfield | Rome | Roter Ananas | Roxbury Russet | Royal Limbertwig | Russet King | Scarlet Surprise | Seek No Further | Smokehouse | Spitzenburg | St Edmunds Russet | Stayman | Summer Song | Summer Treat | Sundance | Thorgauer Weinapfel | Tolman Sweet | Tom Putt | Uralian Butter | Vanderpool Red | Winesap | Winter Bannana | Winter Red | Wolf River | Yarlington Mill | Yates | Yellow Transparent | Yellow Transpartent (Prairie) | York | Zuccalmaglio

Pear

Anjou | Ayers | Bartlett (Red Blushing) | Bosc | Champion | Clara Fritz | Dabney | Dana Hovey | David | Douglas | Duchess | Giant | Gin | Golden Spice | Green Jade | Honey Sweet | Hosui | Jumbo | Kieffer | Luscious | Magness | Maxine | Orient | Red Bartlett | Rotkottig Frau Oster | Seckel | St Nickolas | Treasure