| Flowers
|
| African violet |
6.0-7.0 |
| Alyssum, |
6.0-7.5 |
| Begonia |
5.5-7.0 |
| Calendula |
5.5-7.0 |
| Carnation |
6.0-7.5 |
| Chrysanthemum |
6.0-7.5 |
| Geranium |
6.0-8.0 |
| Shrubs
|
| Almond, flowering |
6.0-7.0 |
| Azalea |
4.5-5.0 |
| Barberry,
Japanese |
6.0-7.5 |
| Burning bush |
5.5-7.5 |
| Butterfly
bush |
6.0-7.5 |
| Boxwood |
6.0-7.5 |
| Camellia |
4.5-6.5 |
| Daphne |
6.5-7.5 |
| Gardenia |
5.0-6.0 |
| Holly, American |
5.0-6.0 |
| Holly, Japanese |
5.0-6.5 |
| Ivy |
6.0-8.0 |
| Lilac |
6.0-7.5 |
| Leucothoe |
4.5-6.0 |
| Magnolia,
Southern |
5.0-6.0 |
| Magnolia,
sweetbay |
4.0-5.0 |
| Mountain
Laurel |
4.5-6.0 |
| Pachysandra |
4.5-5.5 |
| Pieris |
5.0-6.0 |
| Quince, flowering |
6.0-7.0 |
| Rhododendron |
4.5-6.0 |
| Rose, hybrid
tea |
5.5-7.0 |
| Snowball
bush |
6.5-7.5 |
| Fruits/Nuts |
| Apple |
5.0-6.5 |
| Apricot |
6.0-7.0 |
| Blueberry,
high bush |
4.0-5.0 |
| Cherry, sour |
6.0-7.0 |
| Cherry, sweet |
6.0-7.5 |
| Crab apple |
6.0-7.5 |
| Peach |
6.0-7.5 |
| Raspberry,
red |
5.5-7.0 |
| Strawberry |
5.0-6.5 |
| Walnut, black |
6.0-8.0 |
|
| Trees |
| Ash, white |
6.0-7.5 |
| Aspen, American |
3.8-5.5 |
| Beech |
5.0-6.7 |
| Birch, European |
4.5-6.0 |
| Crape Myrtle |
5.0-6.0 |
| Dogwood |
5.0-7.0 |
| Spruce, Colorado |
6.0-7.0 |
| Sycamore |
6.0-7.5 |
| Fir, balsam |
5.0-6.0 |
| Fir, Douglas |
6.0-7.0 |
| Hemlock |
5.0-6.0 |
| Maple, sugar |
6.0-7.5 |
| Oak, black |
6.0-7.0 |
| Oak, pin |
5.0-6.5 |
| Oak, white |
5.0-6.5 |
| Pine, loblolly |
5.0-6.0 |
| Pine, white |
4.5-6.0 |
| Vegetables |
| Asparagus |
6.0-8.0 |
| Beets |
6.0-7.5 |
| Broccoli |
6.0-7.0 |
| Cabbage |
6.0-7.5 |
| Carrot |
5.5-7.0 |
| Cauliflower |
5.5-7.5 |
| Celery |
5.8-7.0 |
| Cucumber |
5.5-7.0 |
| Lettuce |
6.0-7.0 |
| Muskmelon |
6.0-7.0 |
| Onion |
5.8-7.0 |
| Potato |
4.8-6.5 |
| Rhubarb |
5.5-7.0 |
| Spinach |
6.0-7.5 |
| Tomato |
5.5-7.5 |
|
