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Home , Caragana, Caragana arborescens

or Siberian Peashrub

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III-7 Caragana or Environmental Requirements Siberian Peashrub Soils Soil Texture - Adapted to a wide range of soils. (Caragana Soil pH - 5.0 to 8.0. arborescens) Windbreak Suitability Group - 1, 1K, 3, 4, 4C, 5, 6D, 6G, 8, 9C, 9L.

General Description Cold Hardiness USDA Zone 2. Drought tolerant legume, long-lived, alkaline-tolerant, tall native to . Ability to withstand extreme cold Water and dryness. Major windbreak species. Drought tolerant. Does not perform well on very wet or very dry sandy soils. and Buds Bud Arrangement - Alternate. Light Bud Color - Light brown, chaffy in nature. Full sun. Bud Size - 1/8 inch, weakly imbricate. Type and Shape - Pinnately-compound, 8 to 12 Uses leaflets per leaf. Conservation/Windbreaks Leaf Margins - Entire. Medium to tall shrub for farmstead and field windbreaks Leaf Surface - Pubescent in early spring, later glabrescent. and highway beautification. Leaf Length - 1½ to 3 inches; leaflets 1/2 to 1 inch. Wildlife Leaf Width - 1 to 2 inches; leaflets 1/3 to 2/3 inch. Used for nesting by several species of songbirds. Food Leaf Color - Light-green, become dark green in summer; source for hummingbirds. yellow fall color. Agroforestry Products and No known products. Type - Small, pea-like. Flower Color - Showy yellow in spring. Urban/Recreational Type - Pod, with multiple . Pods open with a Screening and border, ornamental flowers in spring. popping sound when ripe. Cultivated Varieties Fruit Color - Brown when mature. Dwarf Siberian Peashrub ( ‘Nana’) Form Sutherland Peashrub (C. arborescens ‘Sutherland’) - Growth Habit - Erect, oval shrub with sparse branches. Narrowly-upright in form. Texture - Medium-fine, summer; medium-coarse, winter. Walker Peashrub (C. arborescens ‘Walker’) - Extremely Crown Height - 6 to 14 feet. fine-textured. Crown Width - 6 to 12 feet. Weeping Siberian Peashrub (C. arborescens ‘Pendula’) Bark Color - Olive-green in color, angled from the nodes, with pale, horizontal lenticels. Related Species Root System - Dense, spreading. Pygmy Peashrub () Russian Peashrub (C. frutex) Pests Common diseases include stem decay, Septoria leaf spot and branch cankers. Common insect pests include blister beetles in mid to late summer.

III-8