Soil pH preferences for selected plants
Shade and flowering trees
Ash, European mtn. 6.0-7.0
Beech, American 5.0-6.5
Birch 5.0-6.0
Crabapple 5.0-6.0
Hawthorn 6.0-7.0
Holly 4.5-5.5
Honeylocust 6.0-8.0
Magnolia, saucer 5.0-6.0
Maidenhair tree 6.0-7.0
Maple 6.0-7.5
Oak, black 6.0-7.0
Oak, English 6.0-8.0
Oak, pin 4.5-5.5
Oak, red 4.5-5.5
Oak, white 5.0-6.5
Willow, weeping 5.0-6.0
Vines
Bittersweet, American 4.5-6.0
Clematis, Jackman's 5.5-7.0
Honeysuckle, trumpet 6.5-8.0
Ivy, Boston 6.5-8.0
Ivy, English 6.5-8.0
Virgin's bower 6.5-7.5
Wisteria, Japanese 6.5-8.0
Ornamental Shrubs
Azalea, native 4.5-5.5
Barberry, Japanese 6.0-7.5
Bayberry 5.0-6.0
Beautybush 6.0-7.5
Cotoneaster 6.5-7.5
Daphne 6.5-7.5
Deutzia 6.0-7.5
Dogwood, redtwig 6.0-7.0
Euonymus, winged 5.5-7.0
Fringe tree 5.0-6.0
Heather, Scotch 4.5-6.0
Honeysuckle, Tatarian 6.5-8.0
Hydrangea, Peegee 6.0-7.0
Lilac 6.0-7.5
Mockorange 6.0-8.0
Mountain laurel 5.5-7.0
Rhododendron 4.5-7.0
Rose, hybrid tea 5.5-7.0
Serviceberry 5.0-6.0
Spirea 6.0-7.0
Sumac 5.0-6.0
Viburnum, double file 6.5-7.5
Viburnum, maple-leaved 4.0-5.0
Wayfaring tree 5.5-7.0
Evergreens
Arborvitae, American 6.0-8.0
Fir, balsam 5.0-6.0
Fir, Douglas 6.0-7.0
Fir, Fraser 4.5-5.0
Hemlock 5.0-6.0
Juniper 5.0-6.0
Pine 5.0-6.0
Pine, white 4.5-6.0
Spruce, Colorado 6.0-7.0
Spruce, Norway 5.0-6.0
Spruce, white 5.0-6.0
Yew 6.0-7.0
Groundcovers
Bugleweed, carpet 6.5-8.0
Spurge, Japanese 6.5-8.0
Grass
Bluegrass, annual 6.5-7.5
Bluegrass, Canada 6.5-7.5
Bluegrasss, Kentucky 6.0-8.0
Fescue 6.0-7.0
Fruit Plants
Apple 5.5-6.5
Blueberry, high bush 4.5-5.5
Cherry, sweet 6.5-8.0
Pear, common 6.5-7.5
Plum, American 6.5-8.5
Raspberry, black 5.5-7.0
Raspberry, red 6.0-7.5
Strawberry 5.5-6.5
Grapes 5.5-7.0
Vegetables
Asparagus 6.0-8.0
Beans 6.0-7.0
Beets 6.5-8.0
Broccoli 6.0-7.0
Cabbage 6.0-7.5
Cantaloupe 6.0-7.5
Carrots 5.5-7.0
Corn 5.5-7.5
Cucubers 5.5-7.0
Eggplant 5.5-6.5
Lettuce 6.0-7.0
Onions 6.0-7.0
Peas 6.0-7.5
Peppers 5.5-7.0
Potatoes 4.8-6.5
Sweet Potatoes 5.2-6.0
Radishes 6.0-7.0
Rhubarb 5.5-7.0
Spinach 6.0-7.5
Squash 6.0-7.0
Tomatoes 5.5-7.5
Grew well but didnt use a PH Probe? Mmmmm