This section is from the book "The Gardener's Monthly And Horticulturist V23", by Thomas Meehan. See also: Four-Season Harvest: Organic Vegetables from Your Home Garden All Year Long.
Mrs. J. P., Lynn, Mass., writes: "Is Saxifraga sarmentosa usually hardy in New England? I have had it come up in my wild garden, among the ferns and wild flowers, for two seasons. The bed is somewhat sheltered on the north-east side of the fence."
[This is well known as hardy about Philadelphia, and we should believe is hardy anywhere in the Union. It is a native of the north of China and Japan, and most plants from these countries are hardy anywhere in the United States - Ed. G. M.]