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"A World of Flowers" |
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Suggested Acidity LevelsThe following plants perform better in a soil with a slight acidity level of PH 5.5 – 6.0. A small difference in acidity levels seems to make for much better growth due to the fact that these plants can use the available fertilizer more effectively. Nursery Stock:
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Annuals:
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Cleome Crossandra Cuphea Dahlia Daisy Dianthus Diascia Dicondra Gazania Helichrysum Helipterum Iresine Ivy Geranium |
Lotus Millet Nemesia Nicotiana Nolana Ornamental Pepper Pansy Petunia Poppy Portulaca Pseuderanthemum Sanchezia Santolina |
Abutilon Ageratum Alternanthera Anemone Anise Anisodonta Asparagus Fern Bacopa Begonia Brachycome Calibrachoa Carnation Centradena |
Sanvitalia Scaveola Schizocentron Snapdragon Solanum Sorrel Spilanthes Torenia Verbena Zinnia |
Perennials:
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Aconitum Alstroemeria Aquilegia Arnica Campanula Carnation Chrysanthemum - Leucanthemum |
Dianthus Dicentra Euphorbia Fragaria Gallium Gaultheria Gaura Grasses Helleborus |
Iris Lamium Lupine Monarda Pachysandra Penstemon Phlox Platycondon Poppy |
Primula Rudbeckia Ruta Graviolens Saliva Tricyrtis Trillium Vinca |
The following plants require strong acid soil with PH 4.5 – 5.5. Most of these plants are surface rooters and can not take up fertilizer unless the acidity is in the correct range. Yellowing of Rhododendrons is a classic example of that phenomenon.
Nursery Stock:
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Arctostaphylos (Kinnickinnick) Azalea |
Blueberries and other Vaccinium Camellia Daphne |
Gardenia Heather (Calluna and Erica) Rhododendron |
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