Plant pH Reference List

Flowers
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