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Plant pH Reference List
Flowers| Name | pH Range | Name | pH Range |
|---|
| Mixed Flowers | 6.0 - 7.0 | Acacia | 6.0 - 8.0 | | Aconitum | 5.0 - 6.0 | Adonis | 6.0 - 8.0 | | Ageratum | 6.0 - 7.5 | Ajuga | 4.0 - 6.0 | | 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 | | 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 | | Balloon Flower | 6.0 - 6.5 | Bayberry | 4.0 - 6.0 | | Begonia | 5.5 - 7.0 | Bergenia | 6.0 - 7.5 | | Black-Eyed Susan | 5.5 - 7.5 | Bleeding Heart | 6.0 - 7.5 | | Bluebell | 6.0 - 7.6 | Buphthalum | 6.0 - 8.0 | | Calendula | 5.5 - 7.0 | Camassia | 6.0 - 8.0 | | Candytuft | 6.0 - 7.5 | Canna | 6.0 - 8.0 | | Canterbury Bells | 7.0 - 7.5 | Cardinal Flower | 4.0 - 6.0 | | Carnation | 6.0 - 7.5 | Celosia | 6.0 - 7.0 | | Centaurea | 5.0 - 6.5 | Cerastium | 6.0 - 7.0 | | Chrysanthemum | 6.0 - 7.0 | Clarkia | 6.0 - 6.5 | | Clematis | 5.5 - 7.0 | Clianthus | 6.0 - 7.5 | | 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 | 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 | Dianthus | 6.0 - 7.5 | | Edelweiss | 6.5 - 7.5 | Euphorbia | 6.0 - 7.0 | | Everlastings | 5.0 - 6.0 | Forget-Me-Nots | 6.0 - 7.0 | | Foxglove | 6.0 - 7.5 | Fritillaria | 6.0 - 7.5 | | Fuchsia | 5.5 - 7.5 | Gaillardia | 6.0 - 7.5 | | Gazania | 5.5 - 7.0 | Gentiana | 5.0 - 7.5 | | Geranium | 6.0 - 8.1 | Geum | 6.0 - 7.5 | | Gladioili | 6.0 - 7.0 | Globularia | 5.5 - 7.0 | | Godetia | 6.0 - 7.5 | Golden Rod | 5.0 - 7.0 | | Gypsophilia | 6.0 - 7.5 | Heather | 4.0 - 6.0 | | Helianthus | 5.0 - 7.0 | Helleborus | 6.0 - 7.5 | | Hens And Chickens | 6.0 - 7.0 | Hollyhock | 6.0 - 7.5 | | Hosta | 6.5 - 7.5 | Hyacinth | 6.5 - 7.5 | | Impatiens | 5.5 - 6.5 | Iris | 5.0 - 6.5 | | Ivy | 6.0 - 7.5 | Lavender | 6.5 - 7.5 | | Liatris | 5.5 - 7.5 | Lily Of The Valley | 4.5 - 6.0 | | Lithospermum | 5.0 - 6.5 | Lobelia | 6.5 - 7.5 | | Lupinus | 5.5 - 7.0 | Marigold | 5.5 - 7.0 | | 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 | Myrtle | 6.0 - 8.0 | | Narcissus | 6.0 - 8.5 | 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 | | Pasque Flower | 5.0 - 6.0 | Passion Flower | 6.0 - 8.0 | | Penstemon | 5.5 - 7.0 | Periwinkle | 6.0 - 7.5 | | Petunia | 6.0 - 7.5 | Pinks | 6.0 - 7.5 | | Polyanthus | 6.0 - 7.5 | Polygonum | 6.0 - 7.5 | | Poppy | 6.0 - 7.5 | Portulaca | 5.5 - 7.5 | | Primrose | 5.5 - 6.5 | Primula | 6.0 - 7.5 | | Prunella | 6.0 - 7.5 | Pyrethrum | 6.0 - 7.5 | | Red Hot Poker | 6.0 - 7.5 | Roses - Climbing | 6.0 - 7.0 | | Roses - Hybrid Tea | 5.5 - 7.0 | Salvia | 6.0 - 7.5 | | Scabiosa | 5.0 - 7.5 | Sedum | 6.0 - 7.5 | | Snapdragon | 5.5 - 7.0 | Snowdrop | 6.0 - 8.0 | | Soapwort | 6.0 - 7.5 | Speedwell | 5.5 - 6.5 | | Stonecrop | 6.5 - 7.5 | Sunflower | 5.0 - 7.0 | | Sweet Pea | 6.0 - 7.5 | Sweet William | 6.0 - 7.5 | | Trillium | 5.0 - 6.5 | Tulip | 6.0 - 7.1 | | Viola | 5.5 - 6.5 | Wallflower | 5.5 - 7.5 | | Water Lily | 5.5 - 6.5 | Yucca | 6.0 - 7.5 | | Zinnia | 5.5 - 7.5 | | | Top of page
Fruits| Name | pH Range | Name | pH Range |
|---|
| Mixed Fruit | 6.0 - 7.0 | Apple | 5.0 - 6.5 | | Apricot | 6.0 - 7.0 | Blackberry | 5.0 - 6.0 | | Blueberry | 4.0 - 6.0 | Cantaloupe | 6.5 - 7.5 | | Cherry | 6.0 - 7.5 | Cranberry | 5.5 - 6.5 | | Current | 6.0 - 8.0 | Gooseberry | 5.0 - 6.5 | | Grapevine | 6.0 - 7.0 | Huckleberry | 4.0 - 6.0 | | Lemon | 6.0 - 7.0 | Melon | 5.5 - 6.5 | | Mulberry | 6.0 - 7.5 | Nectarine | 6.0 - 7.5 | | Peach | 6.0 - 7.5 | Pear | 6.0 - 7.5 | | Pineapple | 5.0 - 6.0 | Plum | 6.0 - 7.5 | | Quince | 6.0 - 7.5 | Raspberry | 5.0 - 7.5 | | Rhubarb | 5.5 - 7.0 | Strawberry | 5.0 - 7.5 | | Watermelon | 5.5 - 6.5 | | | Top of page
Houseplants & Greenhouse| Name | pH Range | Name | pH Range |
|---|
| Abutilon | 5.5 - 6.5 | Acorus | 5.0 - 6.5 | | Aechmea | 5.0 - 5.5 | African Violet | 6.0 - 7.0 | | Aglaonema | 5.0 - 6.0 | Amarylis | 5.5 - 6.5 | | Anthurium | 5.0 - 6.0 | Aphelandra | 5.0 - 6.0 | | Araucaria | 5.0 - 6.0 | Asparagus Fern | 6.0 - 8.0 | | Aspidistra | 4.0 - 5.5 | Azaela | 4.5 - 6.0 | | Baby's Breath | 6.0 - 7.5 | Baby's Tears | 5.0 - 6.0 | | Bird Of Paradise | 6.0 - 6.5 | Bishop's Cap | 5.0 - 6.0 | | Blood Leaf | 5.5 - 6.5 | Boston Fern | 5.5 - 6.5 | | Bottlebrush | 6.0 - 7.5 | Bougainvillea | 5.5 - 7.5 | | Bromeliads | 5.0 - 7.5 | Butterfly Flower | 6.0 - 7.5 | | Cacti | 4.5 - 6.0 | Caladium | 5.0 - 6.0 | | Calcaolaria | 6.0 - 7.0 | Calla Lily | 6.0 - 7.0 | | Camelia | 4.5 - 5.5 | Campanula | 5.5 - 6.5 | | Cantury Plant | 5.0 - 6.5 | Capsicum | 5.0 - 6.5 | | Cardinal Flower | 5.0 - 6.0 | Castor Oil Plant | 5.5 - 6.5 | | Chinese Evergreen | 5.0 - 6.0 | Chinese Primrose | 6.0 - 7.5 | | Christmas Cactus | 5.0 - 6.5 | Cineraria | 5.5 - 7.0 | | Cissus | 6.0 - 7.5 | Clerodendrum | 5.0 - 6.0 | | Clivia | 5.5 - 6.5 | Cockscomb | 6.0 - 7.0 | | Coffee Plant | 5.0 - 6.0 | Coleus | 6.0 - 7.0 | | Columnea | 4.5 - 5.5 | Coral Berry | 5.5 - 7.5 | | Crassula | 5.0 - 6.0 | Creeping Fig | 5.0 - 6.0 | | Croton | 5.0 - 6.0 | Crown Of Thorns | 6.0 - 7.5 | | Cuphea | 6.0 - 7.5 | Cyclamen | 6.0 - 7.0 | | Cyperus | 5.0 - 7.5 | Dieffenbachia | 5.0 - 6.0 | | Dipladenia | 6.0 - 7.5 | Dizgotheca | 6.0 - 7.5 | | Dracaena | 5.0 - 6.0 | Easter Lily | 6.0 - 7.0 | | Elephant's Ear | 5.0 - 6.0 | Episcia | 6.0 - 7.0 | | Ferns - Bird's Nest | 5.0 - 5.5 | Ferns - Button | 6.0 - 8.0 | | Ferns - Christmas | 6.0 - 7.5 | Ferns - Cloak | 6.0 - 7.5 | | Ferns - Feather | 5.5 - 6.5 | Ferns - Hart's Tongue | 7.0 - 8.0 | | Ferns - Holly | 4.5 - 6.0 | Ferns - Maidenhair | 6.0 - 8.0 | | Ferns - Rabbits Foot | 6.0 - 7.5 | Ferns - Spleenwort | 6.0 - 7.5 | | Fig | 5.0 - 6.0 | Fittonia | 5.5 - 6.5 | | Freesia | 6.0 - 7.5 | Gardenia | 5.0 - 6.0 | | Genista | 6.5 - 7.5 | Geranium | 6.0 - 8.0 | | Gloxinia | 5.5 - 6.5 | Grape Hyacinth | 6.0 - 7.5 | | Grape Ivy | 5.0 - 6.5 | Grevillea | 5.5 - 6.5 | | Gynura | 5.5 - 6.5 | Hedera (Ivy) | 6.0 - 8.0 | | Heliotropium | 5.0 - 6.0 | Herringbone Plant | 6.0 - 6.0 | | Hibiscus Plant | 6.0 - 8.0 | Hoya | 5.0 - 6.5 | | Ivy Tree | 6.0 - 7.0 | Jacaranda | 6.0 - 7.5 | | Japanese Sedge | 6.0 - 8.0 | Jasminum | 5.5 - 7.0 | | Jerusalem Cherry | 5.5 - 6.5 | Jessamone | 5.0 - 6.0 | | Kalanchoe | 6.0 - 7.5 | Kangaroo Thorn | 6.0 - 8.0 | | Kangaroo Vine | 5.0 - 6.5 | Lantana | 5.5 - 7.0 | | Lemon Plant | 6.0 - 7.5 | Mimosa | 5.0 - 7.0 | | Mind Your Own Business | 5.0 - 5.5 | Monstera | 5.0 - 6.0 | | Never Never Plant | 5.0 - 6.0 | Nicodemia (Indoor Oak) | 6.0 - 8.0 | | Norfolk Island Pine | 5.0 - 6.0 | Oleander | 6.0 - 7.5 | | Oplismenus | 5.0 - 6.0 | Orchid | 4.5 - 5.5 | | Oxalis | 6.0 - 8.0 | Palms | 6.0 - 7.5 | | Pandanus | 5.0 - 6.0 | Peacock Plant | 5.0 - 6.0 | | Pellionia | 5.0 - 6.0 | Peperomia | 5.0 - 6.0 | | Philodendron | 5.0 - 6.0 | Pilea | 6.0 - 8.0 | | Plumbago | 5.5 - 6.5 | Podacarpus | 5.0 - 6.5 | | Pointsettia | 6.0 - 7.5 | Polyscias | 6.0 - 7.5 | | Pothos | 5.0 - 6.0 | Prayer Plant | 5.0 - 6.0 | | Punica | 5.5 - 6.5 | Sanserieria | 4.5 - 7.0 | | Saxifraga | 6.0 - 8.0 | Scindapsus | 5.0 - 6.0 | | Shrimp Plant | 6.0 - 7.0 | Spanish Bayonet | 6.0 - 7.5 | | Spider Plant | 6.0 - 7.5 | Succulents | 5.0 - 6.5 | | Synogonium | 5.0 - 6.0 | Tolmiea | 5.0 - 6.0 | | Tradescantia | 5.0 - 6.0 | Umbrella Tree | 5.0 - 7.5 | | Venus Flytrap | 4.0 - 5.0 | Weeping Fig | 5.0 - 6.0 | | Zebrina | 5.0 - 6.0 | | | Top of page
Lawns| Name | pH Range |
|---|
| Blended Varieties | 6.0 - 7.0 | | Creeping Bent Grass | 5.5 - 6.5 | | Fine Fescue | 5.5 - 6.5 | | Kentucky Bluegrass | 6.0 - 7.0 | | Perennial Ryegrass | 5.5 - 7.0 | Top of page
Trees & Shrubs| Name | pH Range | Name | pH Range |
|---|
| Abelia | 6.0 - 8.0 | Acanthus | 6.0 - 7.0 | | Ailanthus | 6.0 - 7.5 | Althea | 6.0 - 7.5 | | Arbutus | 4.0 - 6.0 | Azalea | 4.5 - 6.0 | | Boxwood | 6.0 - 7.5 | Broom | 5.0 - 6.0 | | Buddleia | 6.0 - 7.0 | Butterfly Bush | 4.0 - 6.0 | | Catalpa | 6.0 - 8.0 | Cedar | 5.5 - 7.5 | | Cistus | 6.0 - 7.5 | Cottoneaster | 6.0 - 8.0 | | Crab Apple | 6.0 - 7.5 | Deutzia | 6.0 - 7.5 | | Dogwood | 5.0 - 7.0 | Elaeagnus | 5.0 - 7.5 | | Enkianthus | 5.0 - 6.0 | Erica | 4.5 - 6.0 | | Euonymous | 6.0 - 8.0 | Firethorn | 6.0 - 8.0 | | Forsythia | 6.0 - 8.0 | Hawthorn | 6.0 - 7.0 | | Holly | 5.0 - 6.5 | Honeysuckle | 6.0 - 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 | | Juniper | 5.0 - 6.5 | Kalmia | 4.5 - 5.0 | | Kerria | 6.0 - 7.0 | Laurel | 6.5 - 7.5 | | Ligustrum | 5.0 - 7.5 | Lilac | 6.0 - 7.5 | | Magnolia | 5.0 - 6.0 | Mahonia | 6.0 - 7.0 | | Molinia | 4.0 - 5.0 | Paulownia | 6.0 - 8.0 | | Privet | 5.0 - 7.5 | Prunus | 6.5 - 7.5 | | Rhododendron | 4.5 - 6.0 | Roses - Climbing | 6.0 - 7.0 | | Roses - Hybrid Tea | 5.5 - 7.0 | Spiraea | 6.0 - 7.5 | | Spruce | 4.0 - 5.0 | Sumack | 5.0 - 6.5 | | Tamarix | 6.5 - 8.0 | Vibernum | 5.0 - 7.5 | | Virginia Creeper | 5.0 - 7.5 | Weigelia | 6.0 - 7.5 | | Wisteria | 6.0 - 8.0 | | | Top of page
Vegetables & Herbs| Name | pH Range | Name | pH Range |
|---|
| Mixed Vegetables | 6.0 - 7.0 | Artichoke | 6.5 - 7.5 | | Asparagus | 6.0 - 8.0 | Basil | 5.5 - 6.5 | | Bean | 6.0 - 7.5 | Beetroot | 6.0 - 7.5 | | Broccoli | 6.0 - 7.0 | Brussels Sprouts | 6.0 - 7.5 | | Cabbage | 6.0 - 7.5 | Calabrese | 6.5 - 7.5 | | Carrot | 5.5 - 7.0 | Cauliflower | 5.5 - 7.5 | | Celery | 6.0 - 7.0 | Chinese Cabbage | 6.0 - 7.5 | | Chives | 6.0 - 7.0 | Corn - Sweet | 5.5 - 7.0 | | Courgettes | 5.5 - 7.0 | Cress | 6.0 - 7.0 | | Cucumber | 5.5 - 7.5 | Fennel | 5.0 - 6.0 | | Garlic | 5.5 - 7.5 | Ginger | 6.0 - 8.0 | | Horseradish | 6.0 - 7.0 | Kale | 6.0 - 7.5 | | Kohlrabi | 6.0 - 7.5 | Leek | 6.0 - 8.0 | | Lentil | 5.5 - 7.0 | Lettuce | 6.0 - 7.0 | | Marjoram | 6.0 - 8.0 | Marrow | 6.0 - 7.5 | | Mint | 7.0 - 8.0 | Mushroom | 6.5 - 7.5 | | Mustard | 6.0 - 7.5 | Onion | 6.0 - 7.0 | | Parsley | 5.0 - 7.0 | Parsnip | 5.5 - 7.5 | | Pea | 6.0 - 7.5 | Peanut | 5.0 - 6.5 | | Pepper | 5.5 - 7.0 | Peppermint | 6.0 - 7.5 | | Potato | 4.5 - 6.0 | Potato - Sweet | 5.5 - 6.0 | | Pumpkin | 5.5 - 7.5 | Radish | 6.0 - 7.0 | | Rice | 5.0 - 6.5 | Rosemary | 5.0 - 6.0 | | Sage | 5.5 - 6.5 | Shallot | 5.5 - 7.0 | | Soybean | 5.5 - 6.5 | Spearmint | 5.5 - 7.5 | | Spinach | 6.0 - 7.5 | Swede | 5.0 - 7.0 | | Thyme | 5.5 - 7.0 | Tomato | 5.5 - 7.5 | | Turnip | 5.5 - 7.0 | Water Cress | 6.0 - 8.0 | Top of page
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