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Week 10

Week 10. Plant Group #5 Small Deciduous Shrubs. Ceanothus americanus – New Jersey Tea. Location: See sample and laminated sheet Alternate, oblong leaves are serrated Veins curve to the end of the leaf Buds are small and rounded White flowers are in panicles

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Week 10

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  1. Week 10 Plant Group #5 Small Deciduous Shrubs

  2. Ceanothus americanus – New Jersey Tea Location: See sample and laminated sheet Alternate, oblong leaves are serrated Veins curve to the end of the leaf Buds are small and rounded White flowers are in panicles Fruit is a 3-lobed capsule which persists Roots are red “Lilac” of the western U.S. Fixes nitrogen… a tough plant

  3. Daphne x burkwoodii – Burkwood Daphne Location: South side of Kildee Hall Simple, alternate, lanceolate, semi-evergreen leaves Short internodes and buds crowded on stem Vegetative buds are small, floral buds are at branch tips Fragrant white/pink umbels of flowers in the spring Red berries are poisonous Requires good drainage and may die unexpectedly Cultivar ‘Carol Mackie’ is an important variegated cultivar

  4. Diervilla lonicera – Dwarf Bush-Honeysuckle Location: Northwest corner of the Honors Building Opposite leaves are ovate to elliptical, acuminate Newly expanded foliage is red Buds are tan and have flaky-looking exposed scales Yellow flowers in spring and sporadically throughout the growing season A more well-kept, low growing honeysuckle

  5. Fothergilla gardenii – Dwarf Fothergilla Location: Southeast corner of Kildee Hall Alternate leaves are simple and obovate, with dentations near tips (similar to Hamamelis spp.) Stems are covered in short pubescence Multiseason appeal with bottle-brush flowers in spring, clean pest-free foliage in summer, and the potential for great red/purple fall color Small suckering shrub reaching 3’ Questionable hardiness further north

  6. Hydrangea arborescens – Smooth Hydrangea Location: North side of Honors Building Opposite leaves have a serrate margin and cordate base Buds are greenish brown and divergent Low-growing, clumping plant with weak, unbranched canes Abundant panicles of sterile and fertile flowers in summer Flower panicles persist into the winter Flowers on both new and old wood ‘Annabelle’ has huge (12”) round flower panicles Single-season appeal

  7. Prunus triloba var. multiplex – Flowering Almond Location: North of Landscape Architecture Alternate leaves are broadly elliptic to obovate and have a doubly serrate margin Thread-like stipules at the nodes Buds often in large, knobby-looking clusters Double pink flowers are very showy Rounded, weeping habit – 10-15’ tall and wide

  8. Spiraea nipponica – Nippon Spirea Location: South end of Horticulture Greenhouse Alternate leaves are bluish-green, small, narrowly oblong, and have serrations at the tip Buds are appressed Stems are reddish-brown, exfoliating, and often ridged White flowers form along tops of stems Brown fruit capsules hold through winter Vase-shaped form, reaching 3-5’ tall ‘Snowmound’ is a popular cultivar

  9. Spiraea x vanhouttei – Bridal Wreath Location: Hedge north of Farm House Museum Vase-shaped form with arching branches Small, simple leaves have irregular teeth and may be lobed Leaves have bluish cast like nippon spirea, but buds are divergent White spring flowers and thin brown stems Brown fruit follicles remain through the winter Stems have a zig-zag appearance An ‘old fashioned’ shrub with more ornamental features than other spirea

  10. Syringa meyeri – Meyer Lilac Location: South of Horticulture Hall greenhouse Opposite leaves are elliptic to ovate and entire Smaller leaves than other Syringa spp. Stems are tan with opposite branching Terminal buds are paired No disease problems like other lilacs! Very fragrant/dense flowers. Very nice lilac! ‘Palibin’ is a compact cultivar reaching 5’ Also referred to as Korean lilac

  11. Viburnum x burkwoodii – Burkwood Viburnum Location: West side of the Honors Building Opposite leaves are glossy, semi-evergreen, and have entire leaf margins. Top side of leaf is rough to the touch and underside is soft with sparse pubescence Clustered floral buds are cauliflower-like Vegetative buds are naked, tomentose Fragrant, ball-like cymes of flowers in May Drupes turn from red to black in fall Questionable hardiness in central Iowa

  12. Viburnum carlesii – Koreanspice Viburnum Location: South side of Landscape Architecture Opposite leaves are densely pubescent below, feel rough above, and have irregular toothing Flower buds clustered, and veg. buds naked, pubescent Stems have a grainy pubescence Flowers in spring are very fragrant Small black drupes in fall and potential for red/purple fall color

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