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Alkaline Soil..

Alkaline soil is usually limey or chalky and often stoney and can be a challenge for gardeners that grow in this often free draining soil that is not very nutrient rich but there is a vast array of beautiful alkaline loving plants such as Helianthemum, Dianthus and showy Delphiniums to name but a few that thrive in this soil type.  If you want to try to lower the PH level of the soil large quantities of organic material may help but long term could prove a waste of time and to change a whole garden would prove an impossible task, raised beds with good quality topsoil could be an alternative if you want to grow acid loving plants. If acidic loving plants are planted in alkaline soil the result would be poor growth and yellow leaves and they would look very sick indeed. The soils ph can be altered if it is one or two acid loving plants you are wanting to grow by adding chemical compounds to acidify the soil. There are many products available on the market sulphate of iron is a common acidifying compound along withe aluminium sulphate these usually come in powder form and are added to the soil.  It is possible to grow a variety of acid loving plants in pots and containers using ericaceous compost if your soil is to alkaline. When the plants are fed ensure you use an ericaceous plant food a liquid feed is ideal and easy to use for all container grown plants.

Alkaline Plants

Below is a list of plants that are suitable for gardens with alkaline soil...

Larger Shrubs
Acer
Aucuba
Buddleja
Chamaecyparis
Forsythia
Ginko
Hebe
Hydrangea
Juniperus
Ligstrum
Mahonia
Photinia
Sambucus
Syringa
Weigela

Medium to low growing shrubs
Berberis
Buxus
Ceanothus
Choisya
Cistus
Cotoneaster
Crataegus
Daphne
Deutzia
Euonymus
Fuchsia
Garrya
Helianthemum
Hydrangea
Juniperus
Lavender
Perovskia
Philadelphus
Photinia
Pyracantha
Rose
Spirea

Perennials
Acanthus Mollis
Achillea
Aconitum
Anchusa
Anemone
Anthemis
Arabis
Armeria
Aster
Astrantia
Astilbe
Aubrieta
Aquilegia
Bergenia
Brunnera
Campanula
Chrysanthemum
Corydalis
Cyclamen
Delphinium
Dianthus
Digitalis
Echinops
Erodium
Erynigium
Gaillardia
Geranium
Helenium
Helleborus
Heuchera
Iberis
Lavender
Leucanthemum
Linaria
Oenothera
Osteospermum
Poppy
Potentilla
Peony
Rudbeckia
Saxifraga
Scabiosa
Sempervivum
Sidalcea
Solidago
Salvia
Sedum
Verbascum
Viola
Wall flower

Grasses
Carex
Deschamsia
Festuca
Miscanthus

Bulbs
Allium
Bluebell
Crocus
Hyacinth
Lily

Annuals
Alyssum
Calendula
Celosia
Cosmos
Gazania
Godetia
Lobelia
Morning glory
Nemisia
Petunia
Poppy
Verbena
Zinnia

Herbs
Rosemary
Sage
Thyme

Climbers
Hedra
Jasmine
Parthenocissuss
Passiflora

Trees
Acacia
Acer
Ash
Callistamon
Carpinus
Corylus
Eucalyptus
Fagus
Laburnum
Malus
Prunus
Quercus
Sorbus

Fruit
Apple
Blackcurrant
Grape
Red currant
White currant



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"Soil above a PH 7.0 is considered alkaline find out what will grow and flourish in this soil type with this guide of alkaline loving plants."