| pH 4.5 | pH 5.25 | pH 6.0 | pH 6.75 | pH 7.5 |
| Azalea | American Laurel (Kalmia) | American laurel (Kalmia) | Barberry (Berberis) | Adam's needle (Yucca) |
| Bilberry (Vaccinium) | Azalea | Boronia | Blackcurrant (Ribes) | Barberry (Berberis) |
| Camelia | Boronia | Californian lilac (Ceanothus) | Boston Ivy (Parthenocissus) | Blackcurrant (Ribes) |
| Chillean pernettya (Pernettya) | Californian lilac (Ceanothus) | Cinquefoil (Potentilla) | Box (Buxus) | Boston ivy |
| Flame of the forest (Pieris) | Camelia | Clematis | Bridal wreath (Spirea arguta) | Bridal wreath (Spirea arguta) |
| Heather (Erica) | Cinquefoil (Potentilla) | Currant, flowering (Ribes) | Butterfly bush (Buddleia) | Butterfly bush (Buddleia) |
| Hydrangea (Blue) | Dogwood (Cornus) | Daphne | Clematis | Clematis |
| Ledum | Heather (Erica) | Dogwood (Cornus) | Cotoneaster | Cotoneaster |
| London season (Zenobia) | Leucothoe | Flowering currant (Ribes) | Currant, flowering (Ribes) | Currant, flowering (Ribes) |
| Phyllodoce | Photina | Fuchsia | Daphne | Daphne |
| Rhododendron | Rhododendron | Forsythia | Deutzia | Deutzia |
| Rosemary (Rosmarinus) | Grapevine (Vitis) | Diervilla (Wygelia) | Diervilla (Wygelia) |
| Snowbells (Stryax) | Heather (some) Erica (some) | Escallonia | Escallonia |
| Sweet fern (Comptonia) | Hydrangea (Pink) | Euonymus | Euonymus |
| Leptospermum (Tea tree) | Jasmine | Firethorn (Pyracantha) | Firethorn (Pyracantha) |
| Wintergreen (Gaultheria) | Laurel (Prunus laurocerasus) | Flowering Currant (Ribes) | Flowering currant (Ribes) |
| | Lavender (Lavendula) | Forsythia | Forsythia |
| | Leucothoe | Fuchsia | Golden bells (Forsythia) |
| | Mezeron (Daphne) | Genista | Grape vine (Vitis) |
| | Passion flower (Passiflora) | Golden bells (Forsythia) | Guelder rose (Viburnum) |
| | Photina | Grape vine (Vitis) | Honeysuckle (Lonicera) |
| | Privet (Ligustrum) | Guelder rose (Viburnum) | Hydrangea (white) |
| | Quince (Chaenomeles) | Hibiscus | Ivy (Hedera) |
| | Rock Rose (Cistus) | Honeysuckle (Lonicera) | Japonica (Caesalpina) |
| | Rose (Rosa) | Hydrangea (pink) | Jasmine (Jasminum) |
| | Rosemary (Rosmarinus) | Hydrangea (white) | Jews mallow (Kerria) |
| | Senecio | Ivy (Hedera) | Laurel (Prunus laurocerasus) |
| | Snowbells (Stryax) | Japonica (Caesalpina) | Maple (Acer) |
| | Spanish gorse (Genista) | Jasmine (Jasminum) | Mezeron (Daphne) |
| | Sweet fern (Comptonia) | Jews mallow (Kerria) | Mock orange (Philadelphus) |
| | Tea tree (Leptospermum) | Lavender | Myrtle (Myrtus) |
| | Veronica (Hebe) | Laurel (Prunus laurocerasus) | Peach (Prunus persica) |
| | Vine (Vitis) | Maple (Acer) | Rock rose (Cistus) |
| | Wintergreen (Gaultheria) | Mezeron (Daphne) | Rose mallow (Hibiscus) |
| | Witch hazel (Hamamelis mollis) | Mock orange (Philadelphus) | Senecio |
| | Yew | Myrtle (Myrtus) | Spanish gorse (Genista) |
| | | Passion flower (Passiflora) | Spirea |
| | | Peach (Prunus persica) | St John's wort (Hypericum) |
| | | Privet (Ligustrum) | Veronica (Hebe) |
| | | Quince (Chaenomeles) | Vine (Vitis) |
| | | Rock rose (Cistus) | Wisteria |
| | | Rose (Rosa) | Witch hazel (Hamamellis mollis) |
| | | Rose of Sharon (Hypericum) | Yucca |
| | | Rose mallow (Hibiscus) | |
| | | Senecio | |
| | | Spanish gorse (Genista) | |
| | | Spirea | |
| | | St John's wort (Hypericum) | |
| | | Veronica (Hebe) | |
| | | Vine (Vitis) | |
| | | Wisteria | |
| | | Witch hazel (Hamamellis mollis) | |
| | | Yew (Taxus) | |
| | | Yucca | |
| | | | |
![[ph and acidity]](images/phbutt.gif){kind=small}
![[flower]](images/shrub.gif){kind=small}
this page