|
|
|
Flowers, Ornamental Trees,
& Shrubs |
Preferred
pH Range |
| Abelia |
6.0 - 8.0 |
| Acacia |
6.0 - 8.0 |
| Acanthus |
6.0 - 7.0 |
| Aconitum |
5.0 - 6.0 |
| Adonis |
6.0 - 8.0 |
| Ageratum |
6.0 - 7.5 |
| Ailanthus |
6.0 - 7.5 |
| Ajuga |
4.0 - 6.0 |
| Althea |
6.0 - 7.5 |
| Alyssum |
6.0 - 7.5 |
| Amaranthus |
6.0 - 6.5 |
| Anchusa |
6.0 - 7.5 |
| Androsace |
5.0 - 6.0 |
| Anemone |
6.0 - 7.5 |
| Anthyllis |
5.0 - 6.0 |
| Arbutus |
4.0 - 6.0 |
| Arenaria |
6.0 - 8.0 |
| Aristea |
6.0 - 7.5 |
| Armeria |
6.0 - 7.5 |
| Arnica |
5.0 - 6.5 |
| Asperula |
6.0 - 8.0 |
| Asphodoline |
6.0 - 8.0 |
| Aster |
5.5 - 7.5 |
| Aubrieta |
6.0 - 7.5 |
| Avena |
6.0 - 7.5 |
| Azalea |
4.5 - 6.0 |
| Beauty Bush |
6.0 - 7.5 |
| Bergenia |
6.0 - 7.5 |
| Bluebell |
6.0 - 7.5 |
| Broom |
5.0 - 6.0 |
| Buddleia |
6.0 - 7.0 |
| Buphthalum |
6.0 - 8.0 |
| Calendula |
5.5 - 7.0 |
| Camassis |
6.0 - 8.0 |
| Candytuft |
6.0 - 7.5 |
| Canna |
6.0 - 8.0 |
| Canterbury Bells |
6.0 - 7.5 |
| Carnation |
6.0 - 7.5 |
| Catalpa |
6.0 - 8.0 |
| Celosia |
6.0 - 7.0 |
| Centaurea |
5.0 - 6.5 |
| Cerastium |
6.0 - 7.0 |
| Chrysanthemum |
6.0 - 7.0 |
| Cissus |
6.0 - 7.5 |
| Cistus |
6.0 - 7.5 |
| Clarkia |
6.0 - 6.5 |
| Clianthus |
6.0 - 7.5 |
| Clematis |
5.5 - 7.0 |
| Colchicum |
5.5 - 6.5 |
| Columbine |
6.0 - 7.0 |
| Convolvulus |
6.0 - 8.0 |
| Coreopsis |
5.0 - 6.0 |
| Coronilla |
6.5 - 7.5 |
| Corydalis |
6.0 - 8.0 |
| Cosmos |
5.0 - 8.0 |
| Cotoneaster |
6.0 - 8.0 |
| Crab Apple |
6.0 - 7.5 |
| Crocus |
6.0 - 8.0 |
| Cynoglossum |
6.0 - 7.5 |
| Daffodil |
6.0 - 6.5 |
| Dahlia |
6.0 - 7.5 |
| Day Lily |
6.0 - 8.0 |
| Delphinium |
6.0 - 7.5 |
| Deutzia |
6.0 - 7.5 |
| Dianthus |
6.0 - 7.5 |
| Dogwood |
5.0 - 7.0 |
| Edelweiss |
6.5 - 7.5 |
| Elaeagnus |
5.0 - 7.5 |
| Enkianthus |
5.0 - 6.0 |
| Erica |
4.5 - 6.0 |
| Euphorbia |
6.0 - 7.0 |
| Everlasting Flower |
5.0 - 6.0 |
| Firethorn |
6.0 - 8.0 |
| Forget-me-not |
6.0 - 8.0 |
| Forsythia |
6.0 - 8.0 |
| Foxglove |
6.0 - 7.5 |
| Fritillaria |
6.0 - 7.5 |
| Fuchsia |
5.5 - 6.5 |
| Gaillardia |
6.0 - 7.5 |
| Gazania |
5.5 - 7.0 |
| Gentiana |
5.0 - 7.5 |
| Geum |
6.0 - 7.5 |
| Gladiolus |
6.0 - 7.0 |
| Globularia |
5.5 - 7.0 |
| Godetia |
6.0 - 7.5 |
| Golden Rod |
5.0 - 7.0 |
| Gourd |
6.0 - 7.0 |
| Grass, Bent |
5.5 - 6.5 |
| Grass, Clover |
6.0 - 7.0 |
| Grass, Fescue |
6.0 - 7.5 |
| Grass, Meadow |
6.0 - 7.5 |
| Grass, Pampas |
6.0 - 8.0 |
| Grass, Rye |
6.0 - 7.0 |
| Gypsophila |
6.0 - 7.5 |
| Hawthorn |
6.0 - 7.0 |
| Helianthus |
5.0 - 7.0 |
| Helleborus |
6.0 - 7.5 |
| Holly |
5.0 - 6.5 |
| Hollyhock |
6.0 - 7.5 |
| Honeysuckle |
6.0 - 7.5 |
| Hyacinth |
6.5 - 7.5 |
| Hydrangea, Blue |
4.0 - 5.0 |
| Hydrangea, Pink |
6.0 - 7.0 |
| Hydrangea, White |
6.5 - 8.0 |
| Hypericum |
5.5 - 7.0 |
| Iris |
5.0 - 6.5 |
| Ivy |
6.0 - 7.5 |
| Juniper |
5.0 - 6.5 |
| Kalmia |
4.5 - 5.5 |
| Kerria |
6.0 - 7.0 |
| Laburnum |
6.0 - 7.0 |
| Laurel |
5.0 - 6.0 |
| Lavender |
6.5 - 7.5 |
| Listris |
5.5 - 7.5 |
| Ligustrum |
5.0 - 7.5 |
| Lilac |
6.0 - 7.5 |
| Lily Of The Valley |
4.5 - 6.0 |
| Lithospernum |
5.0 - 6.5 |
| Lobelia |
6.0 - 7.5 |
| Lupinus |
5.5 - 7.0 |
| Magnolia |
5.0 - 6.0 |
| Mahonia |
6.0 - 7.0 |
| Marguerite |
6.0 - 7.5 |
| Marigold |
5.5 - 7.0 |
| Molinia |
4.0 - 5.0 |
| Moraea |
5.5 - 6.5 |
| Morning Glory |
6.0 - 7.5 |
| Moss |
6.0 - 8.0 |
| Moss, Sphagnum |
3.5 - 5.0 |
| Myosotis |
6.0 - 7.0 |
| Narcissus |
6.0 - 7.5 |
| Nasturtium |
5.5 - 7.5 |
| Nicotiana |
5.5 - 6.5 |
| Pachysandra |
5.0 - 8.0 |
| Paeonia |
6.0 - 7.5 |
| Pansy |
5.5 - 7.0 |
| Passion Flower |
6.0 - 8.0 |
| Pasque Flower |
5.0 - 6.0 |
| Paulownia |
6.0 - 8.0 |
| Pea, Sweet |
6.0 - 7.5 |
| Penstemon |
5.5 - 7.0 |
| Paeonia |
6.0 - 7.5 |
| Periwinkle |
6.0 - 7.5 |
| Petunia |
6.0 - 7.5 |
| Pinks |
6.0 - 7.5 |
| Polygonum |
6.0 - 7.5 |
| Polyanthus |
6.0 - 7.5 |
| Poppy |
6.0 - 7.5 |
| Portulaca |
5.5 - 7.5 |
| Primrose |
5.5 - 6.5 |
| Primula |
6.0 - 7.5 |
| Privet |
6.0 - 7.0 |
| Prunella |
6.0 - 7.5 |
| Prunus |
6.5 - 7.5 |
| Pyracantha |
5.0 - 6.0 |
| Pyrethrum |
6.0 - 7.5 |
| Red Hot Poker |
6.0 - 7.5 |
| Rhododendron |
4.5 - 6.0 |
| Rose, Hybrid Tea |
5.5 - 7.0 |
| Rose, Climbing |
6.0 - 7.0 |
| Rose, Rambling |
5.5 - 7.0 |
| Salvia |
6.0 - 7.5 |
| Saintpaulia |
6.0 - 7.0 |
| Scabiosa |
5.0 - 7.5 |
| Sea Grape |
5.0 - 6.5 |
| Sedum |
6.0 - 8.0 |
| Snapdragon |
5.5 - 7.0 |
| Snowdrop |
6.0 - 8.0 |
| Soapwort |
6.0 - 7.5 |
| Speedwell |
5.5 - 6.5 |
| Spiraea |
6.0 - 7.5 |
| Spruce |
4.0 - 5.0 |
| Stock |
6.0 - 7.5 |
| Stonecrop |
6.5 - 7.5 |
| Sumach |
5.0 - 6.5 |
| Sunflower |
6.0 - 7.5 |
| Sweet William |
6.0 - 7.5 |
| Syringe |
6.0 - 8.0 |
| Tamarix |
6.5 - 8.0 |
| Tobacco |
5.5 - 7.5 |
| Trillium |
5.0 - 6.5 |
| Tulip |
6.0 - 7.0 |
| Viburnum |
5.0 - 7.5 |
| Viola |
5.5 - 6.5 |
| Violet |
5.0 - 7.5 |
| Virginia Creeper |
5.0 - 7.5 |
| Wallflower |
5.5 - 7.5 |
| Water Lily |
5.5 - 6.5 |
| Weigela |
6.0 - 7.0 |
| Wistaria |
6.0 - 8.0 |
| Zinnia |
5.5 - 7.5 |
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