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Kim E. Hummer

Several species of Ribes have ornamental qualities worthy of consideration in residential and commercial temperate zone landscape plantings. Ribes sanguineum Pursh has been selected and cultivated throughout the Pacific Northwest, and boasts of early spring flowers of white, pink, or red. The two species of golden currants, R. aureum Pursh and R. odoratum Wendl. f., have brilliant yellow-fl owered racemes. Ribes species exhibit a broad diversity of plant habit and texture ranging from the upright 2.5 m, vigorous, and fully armed Menzieís Gooseberry, R. menziesii Pursh, to the prostrate shade-loving Crater Lake currant, R. erythrocarpum Coville & Leiberg. R. viburnifolium A. Gray remains evergreen in mild climates throughout the year. The foliage of some selections of R. americanum Miller and R. cynosbati L. brighten to a brilliant crimson red in the fall. The fall foliage of other species, such as R. hirsuta L., develop a continuum of color on their branches, from bright red at the apex, through orange and yellow to green towards the base. Spring bloom data and ratings of fall color for species in the Corvallis Repository collection will be described.

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Wenqian Zhang, Xiaoling Jin, Donglin Zhang, Minhuan Zhang, and Wen Xing

of its seedlings for forestation. A dwarf seedling with golden fall foliage was selected for further evaluation. From early Mar. 2013, ‘Gold Goblin’ bud-grafted plants with Z. schneideriana rootstock were trialed in both the Central South

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Richard O. Kelly and Brent K. Harbaugh

Annual bedding plants comprised 50% of the $4.6 billion wholesale value of United States floricultural crops in 2000. Florida is one of the top wholesale producers of bedding plants in this industry, and in 2000 was number one in the production of potted marigolds. Evaluation of marigold cultivars is vital for continued growth of the industry. We evaluated 84 cultivars of african marigold (Tagetes erecta) and french marigold (T. patula) in replicated class tests at the University of Florida's Gulf Coast Research and Education Center at Bradenton, Fla. (lat. 27°4' N, long. 82°5' W; AHS Heat Zone 10; USDA Cold Hardiness Zone 9b) in Fall 1999. In this report, we provide objective plant measurements of vegetative and floral characteristics as well as six weekly subjective ratings. Subjective ratings were on a 1 to 7 scale with the highest rating of 7 for excellent. In general, cultivars with vegetative and floral ratings ≥5 were considered outstanding, 4 to 4.9 as good performers, and ≤3.9 as fair to poor. These ratings permit readers to evaluate foliage and floral characteristics at different times during the season, and to evaluate performance over time. Cultivars were grouped into classes based on species, plant height, flower type, and flower color. Outstanding cultivars (those cultivars with an overall rating ≥5) and their class were: `Inca Gold' and `Royal Gold' [african marigold (African)—gold class]; `Mesa Orange' and `Royal Orange' (African— orange class); `Inca Yellow', `Mesa Yellow', and `Perfection Yellow' (African—yellow class); `Disco Granada' [french marigold (French) dwarf—single gold/red class], `Disco Flame' (French dwarf—single red/gold class); `Golden Boy' and `Hero Gold' (French dwarf—double gold class); `Bonanza Orange', `Orange Boy', `Girl Orange', `Jacket Orange' (French dwarf—double orange class); `Yellow Boy', `Girl Primrose', and `Jacket Yellow' (French dwarf—double yellow class); `Harmony Boy' (French dwarf— double orange/red class); `Hero Flame' (French dwarf—double red/orange class); `Bonanza Flame Improved' (French dwarf—double red/yellow class); `Legend Gold' (French double— gold class); `Legend Orange Improved' (French—double orange class); `Spry Boy' (French double—yellow/red class); `Durango Bee', `Durango Red', and `Hyper Red/Yellow' (French— double red/yellow class). We believe these cultivars would perform well in the southern U.S. or areas of the world with similar heat and cold hardiness zones.

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David C. Zlesak

), purple foliage, powdery mildew resistance, and light pink flowers in mid- to late spring. It is adapted to USDA cold hardiness zones 3 to 7 and does well across a wide range of soil types. The compact, dense growth habit of ‘Donna May’ offers new

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Todd P. West, Gregory Morgenson, Larry Chaput, and Dale E. Herman

suitable as a small tree specimen in the landscape, with multiseason interest, as a result of high-quality summer foliage, reliable golden fall color, and high-quality ornamental exfoliating bark. Betula costata is a deciduous woody tree in the family

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Donna C. Fare

leaves. The foliage presents a very coarse textured canopy and may result in concerns with fall leaf litter. In contrast, ‘Butterflies’, ‘Daphne’, ‘Gold Star’, ‘Golden Gift’, ‘Green Bee’, ‘Koban Dori’, ‘Skyland’s Best’, ‘Stellar Acclaim’, and ‘Sunburst

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Todd P. West, Gregory Morgenson, and Connor C. Hagemeyer

(USDA) cold hardiness zones 3a to 7 and a wide range of soil types. This narrow pyramidal selection is suitable as a medium tree specimen in the landscape, with multiseason interest, as a result of high-quality summer foliage with reliable golden fall

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Kaitlin Barrios and John M. Ruter

its unique leaf shape and excellent fall foliage color. ‘Formosan Gold’ sweetgum offers a unique cultivar of the species with attractive yellow to chartreuse foliage during the growing season. Origin The original plant of ‘Formosan Gold’ was from seed

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Jeong-Ho Lee

from this project, ‘Keumbitnoeul’ (from Tax. 1), which has outstanding yellow–green foliage and a relatively slow growing habit. Origin Yew seeds were collected in the fall of 1988 from Mt. Gyebang and Mt. Gariwang in Gangwon Province and from the

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Dale T. Lindgren and Daniel M. Schaaf

cobaea Nutt. × Penstemon triflorus A. Heller) ( Lindgren, 1993 ). Three selections were made in 1997 out of the resultant population of seedlings, DM1, DM2, and DM3. All three selections displayed darker fall foliage color than the parent ‘Husker Red