Heartnut. Like most English walnuts heartnuts blossom too early in the spring and are usually killed back by late frosts here. Walters is the only one that blossoms late enough to produce usually a crop.
I still think that a well-filled Sifford is the best black walnut I have seen, but the parent tree generally produces poorly-filled nuts, and the young trees have been very slow to come into bearing, so I have left it off the list. Early defoliation appears to be the cause of poor filling in wet seasons. When well filled it runs 32% kernel.
Any and all of the nuts listed, of all species, are perfectly winter-hardy here, except that Payne English walnut was injured by a temperature of 10 below zero some years ago. All English walnuts, except Franquette and most seedling Chinese chestnuts lost their crops last spring by a freeze May 5th. Hobson, Carr, Zimmerman and Reliable came through with crops.
It will be most unfortunate if the many nurseries that, in my opinion, will go into nut tree production should boost seedling trees just because they do not have or cannot produce the named varieties. If the public can be at this time educated to demand select varieties it will influence the planting of nut trees favorably for the next hundred years. If they get shunted off on to seedlings it will take another twenty-five years to awaken the present interest. One might as well expect an apple growing industry to spring from the indiscriminate planting of seedling apple orchards. This goes especially for the English walnut and the Chinese chestnut.
Abstract of letter from Rev. P. C. Crath, Cannington, Ontario. Only a limited report is possible this year. In Toronto there are four Carpathian walnut trees 20 to 25 feet high which bear nuts regularly. One of these bears nuts of huge size, another smaller nuts with very thin shell and with the flavor of the Cashew nut. The other two trees produce regularly medium sized nuts with thin shells. In Islington, near Toronto, Carpathian No. 34 belonging to Mr. J. Robson continues bearing. Mr. Robson died last spring and I am naming this tree No. 34 the "Robson" in his memory. The eight Carpathians along the Welland Canal are doing well and bear every year. The tree in the yard of the Rev. Foster at Welland is a nice big tree and bears every season but squirrels carry off all the crop. In Ontario until the present time the curculio has not attacked Carpathian walnuts. Prof. C. T. Currelly of Canton has some nice big trees of his own grafting. One of these is of the Landyga type that in its seventh year now has never shown any cold injury. We can feel assured that the Landyga type is the best for the cold regions of Ontario. A tall and beautiful No. 46 that had a bacteriological canker near the root has thoroughly healed. Other No. 46 trees on the same estate are doing fine. The original No. 34 (now Robson) on Prof. Currelly's farm is doing exceptionally well. It is the type of a good market walnut. The Harbey Carpathians, belonging to J. regia maxima, with very thin shells are also doing well.
My Ukrainian and Turkish filberts on Currelly's estate have now become small bushes, 40 in number bearing abundantly.
Abstract of letter from Sylvester M. Schessler, Genoa, Ohio. To keep scionwood I place sticks, such as elder, on a cement floor, lay the scions crosswise on these, cover them with sawdust and throw an oilcloth over this. In May I graft by the slotbark method nailing the scion and tying with string or rubber bands and wax with Acme Grafting Compound put on cold. I cover with a two pound paper sack and later stake up the new growth. I like fair sized scion wood cut from near the base of the new growth and often graft with two year old wood carrying some one year wood. I will exchange graft wood and have several varieties of Ohio prize winners bearing nuts. I also do budding by the patch method.