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Plant pH Reference List

Flowers
NamepH RangeNamepH Range
Mixed Flowers6.0 - 7.0Acacia6.0 - 8.0
Aconitum5.0 - 6.0Adonis6.0 - 8.0
Ageratum6.0 - 7.5Ajuga4.0 - 6.0
Alyssum6.0 - 7.5Amaranthus6.0 - 6.5
Anchusa6.0 - 7.5Androsace5.0 - 6.0
Anemone6.0 - 7.5Anthyllis5.0 - 6.0
Arenaria6.0 - 8.0Aristea6.0 - 7.5
Armeria6.0 - 7.5Arnica5.0 - 6.5
Asperula6.0 - 8.0Asphodoline6.0 - 8.0
Aster5.5 - 7.5Aubrieta6.0 - 7.5
Balloon Flower6.0 - 6.5Bayberry4.0 - 6.0
Begonia5.5 - 7.0Bergenia6.0 - 7.5
Black-Eyed Susan5.5 - 7.5Bleeding Heart6.0 - 7.5
Bluebell6.0 - 7.6Buphthalum6.0 - 8.0
Calendula5.5 - 7.0Camassia6.0 - 8.0
Candytuft6.0 - 7.5Canna6.0 - 8.0
Canterbury Bells7.0 - 7.5Cardinal Flower4.0 - 6.0
Carnation6.0 - 7.5Celosia6.0 - 7.0
Centaurea5.0 - 6.5Cerastium6.0 - 7.0
Chrysanthemum6.0 - 7.0Clarkia6.0 - 6.5
Clematis5.5 - 7.0Clianthus6.0 - 7.5
Colchicum5.5 - 6.5Columbine6.0 - 7.0
Convolvulus6.0 - 8.0Coreopsis5.0 - 6.0
Coronilla6.5 - 7.5Corydalis6.0 - 8.0
Cosmos5.0 - 8.0Crocus6.0 - 8.0
Cynoglossum6.0 - 7.5Daffodil6.0 - 6.5
Dahlia6.0 - 7.5Day Lily6.0 - 8.0
Delphinium6.0 - 7.5Dianthus6.0 - 7.5
Edelweiss6.5 - 7.5Euphorbia6.0 - 7.0
Everlastings5.0 - 6.0Forget-Me-Nots6.0 - 7.0
Foxglove6.0 - 7.5Fritillaria6.0 - 7.5
Fuchsia5.5 - 7.5Gaillardia6.0 - 7.5
Gazania5.5 - 7.0Gentiana5.0 - 7.5
Geranium6.0 - 8.1Geum6.0 - 7.5
Gladioili6.0 - 7.0Globularia5.5 - 7.0
Godetia6.0 - 7.5Golden Rod5.0 - 7.0
Gypsophilia6.0 - 7.5Heather4.0 - 6.0
Helianthus5.0 - 7.0Helleborus6.0 - 7.5
Hens And Chickens6.0 - 7.0Hollyhock6.0 - 7.5
Hosta6.5 - 7.5Hyacinth6.5 - 7.5
Impatiens5.5 - 6.5Iris5.0 - 6.5
Ivy6.0 - 7.5Lavender6.5 - 7.5
Liatris5.5 - 7.5Lily Of The Valley4.5 - 6.0
Lithospermum5.0 - 6.5Lobelia6.5 - 7.5
Lupinus5.5 - 7.0Marigold5.5 - 7.0
Moraea5.5 - 6.5Morning Glory6.0 - 7.5
Moss6.0 - 8.0Moss, Sphagnum3.5 - 5.0
Myosotis6.0 - 7.0Myrtle6.0 - 8.0
Narcissus6.0 - 8.5Nasturtium5.5 - 7.5
Nicotiana5.5 - 6.5Pachysandra5.0 - 8.0
Paeonia6.0 - 7.5Pansy5.5 - 7.0
Pasque Flower5.0 - 6.0Passion Flower6.0 - 8.0
Penstemon5.5 - 7.0Periwinkle6.0 - 7.5
Petunia6.0 - 7.5Pinks6.0 - 7.5
Polyanthus6.0 - 7.5Polygonum6.0 - 7.5
Poppy6.0 - 7.5Portulaca5.5 - 7.5
Primrose5.5 - 6.5Primula6.0 - 7.5
Prunella6.0 - 7.5Pyrethrum6.0 - 7.5
Red Hot Poker6.0 - 7.5Roses - Climbing6.0 - 7.0
Roses - Hybrid Tea5.5 - 7.0Salvia6.0 - 7.5
Scabiosa5.0 - 7.5Sedum6.0 - 7.5
Snapdragon5.5 - 7.0Snowdrop6.0 - 8.0
Soapwort6.0 - 7.5Speedwell5.5 - 6.5
Stonecrop6.5 - 7.5Sunflower5.0 - 7.0
Sweet Pea6.0 - 7.5Sweet William6.0 - 7.5
Trillium5.0 - 6.5Tulip6.0 - 7.1
Viola5.5 - 6.5Wallflower5.5 - 7.5
Water Lily5.5 - 6.5Yucca6.0 - 7.5
Zinnia5.5 - 7.5  

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