Mary Meyer, Deb Brown, Mike Zins. Table of Contents. Alkaline Soil Annuals 3 Feet or More Annual Vines That Grow Quickly Boulevard Gardens: Perennials Boulevard Gardens: Small Trees Broadleaf Evergreens for USDA Zone 4 Clay Soil Cold Tolerant Annuals Compacted Sites: Trees
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honeylocust, 30-60’ thornless varieties are vest, provides filtered shade, rapid grower, tolerates many soil conditions
Ironwood: Ostrya virginiana 25-40’ Interesting hoplike fruits in fall and brown leaves add winter interest, native.
Iowa State photo
hills of snow hydrangea 3-5’ tall; Spreads 3-5’;
Hydrangea paniculata panicle hydrangea 6-8’ Showy white to pinkish blooms in summer.
Hydrangea macrophylla \'Bailmer\'
Requires acidic soil for blue color
pH 5.0-5.8; blooms on current season wood. pink in alkaline
soil pH 6-7.
2) If your soil pH is less than 5.5 the only amendment suggested before planting is to mix in sphagnum peat moss into your soil at the rate of 1 to 2 cubic ft per plant. (use a blend of 50% native soil to 50% sphagnum peat)3) If your soil pH is greater than 5.5, incorporate elemental sulfur into the top 6 to 8 inches of soil at the following rates to reduce your soil pH by 1 unit:For sandy soils - 1.0 lb per 100 square feet (about 2 cups)For loamy soils - 2.5 lb per 100 square feet (about 5 cups) For example, if the pH of your loamy soil is 6.0, incorporate 5 cups of elemental sulfur per 100 square feet (or ½ cup per 10 square feet). After mixing in the elemental sulfur, mix in 1 to 2 cubic feet of sphagnum peat moss per plant.
Carl Rosen, Soil Scientist, U of Minnesota
Minnesota Tree Care Advisor photos
feather reedgrass,‘Autumn Joy’ sedum
hosta and daylilies
chives and onion;
Deer dislike mugo pine, shown here on tortoise island at the Japanese garden,
Minnesota Landscape Arboretum
barberry and boxwood
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