| Patent Number |
Title Of Patent |
Date Issued |
| PP5800 |
Flowering Crab Apple Tree |
November 18, 1986 |
| A flowering Crab Apple Tree denominated "Bridal Bouquet" selected from a block of seedlings of Malus "Katherine," an unpatented variety, which seedling was noted as having abundant, large size, pure white-colored double flowers and in continued growth the leaves have been unaffected by |
| PP5730 |
Flowering cherry tree |
April 29, 1986 |
| A flowering cherry tree selected as a seedling in a block of open pollinated variety Prunus yedoensis "Akebono", (unpatented) distinguished from "Akebono" by the strong pink color of its abundant flowers when fully open, "Akebono" flowers being pale pink by comparison, the variety hereof |
| PP5524 |
Sophora japonica Princeton Upright |
July 30, 1985 |
| A Sophora japonica tree discovered in a block of standard Sophora japonica seedlings, specifically in the block of Sophora japonica seedlings known as Regent, an unpatented variety, and which my instant variety is distinguished by much more narrow and upright head of branches having a |
| PP4632 |
Flowering crab apple tree |
January 27, 1981 |
| There is disclosed a new variety of Malus hupehensis which produces abundance of flowers having strong purplish pink appearance on a tree in bloom, dark red young leaves, becoming dark green when mature, with high resistance to apple scab fungus and fire blight. |
| PP4540 |
Prunus subhirtella |
May 27, 1980 |
| There is disclosed a flowering Higan Cherry Tree of the variety Prunus subhirtella which produces abundant quantities of deep purplish red blooms of semi-double form and long lasting qualities, the buds being capable of resisting bitter cold as low as minus 17 degrees F. in the vicinity |
| PP4458 |
Hydrangea quercifolia |
September 4, 1979 |
| There is disclosed an Hydrangea quercifolia plant, having pure white color blooms with perfect and abundant sterile florets on the same panicle, the habit being low and compact, up to one and one-half meters in height with spreading compact almost hemispherical outline, the non-pendant b |
| PP12549 |
Hamamelis mollis plant named `5473` |
April 16, 2002 |
| A new cultivar of Hamamelis mollis plant is characterized by exceptionally large and abundant flowers with a rich fruity fragrance. It is also unique in that the leaves promptly drop in the fall, not persisting in an unsightly condition throughout the winter as in ordinary Hamamelis moll |
| PP12100 |
Hamamelis virginiana plant named `November Glow` |
September 18, 2001 |
| A new cultivar of Hamamelis virginiana characterized by its exceptionally large and abundant flowers borne on large, dense clusters closely spaced on slender twigs. |
| PP12079 |
Viburnum dentatum plant named `October Glory` |
September 4, 2001 |
| This species of Viburnum dentatum turns brilliant red in October and maintains its red color late into November in USDA hardiness zone 5. In early June, it produces dense, flat white clusters of flowers, which last for 3 weeks. The shrub is very cold hardy and can withstand temperatures |
| PP11055 |
Forsythia hybrid plant named `Princeton Gold` |
September 7, 1999 |
| A new and distinct Forsythia variety characterized by the very large size of the flowers which have a rich golden color and with much broader petals than any other Forysthia variety known to me. The flowers are very dense on the twigs so that the shrub is a solid mass of gold when in blo |
| PP10989 |
Prunus sargentii plant named `Princeton Snowcloud` |
June 29, 1999 |
| A new and distinct Prunus plant characterized by having a very vigorous growth, being one third larger than sibling seedlings in the same row, and for its very abundant, large white flowers, unusual in the species which normally bears pink flowers. The autumn foliage turns a brilliant re |
| PP10481 |
Clethra alnifolia plant named `September Beauty` |
July 7, 1998 |
| A new and distinct Clethra variety characterized by its hardiness and its ability to bloom late in the year coming into fill bloom in September, and having flowers with white petals from pale green buds. |