18
LAWN
Preferred pH Range
Lawn
6‑7.5
GARDEN PLANTS AND FLOWERS
Preferred pH Range
Preferred pH Range
Acacia
6‑8
Ligustrum
5‑7.5
Acanthus
6‑7
Magnolia
5‑6
Amaranth
6‑6.5
Narcissus
6‑8,5
Bougainvillea
5.5‑7.5
Oleander
6‑7.5
Dahlia
6‑7.5
Paulownia
6‑8
Erica
4.5‑6
Portulaca
5.5‑7.5
Euphorbia
6‑7
Primula
6‑7.5
Fuchsia
5.5‑7.5
Rhododendron 4.5‑6
Gentian
5‑7.5
Roses
5.5‑7
Gladiolus
6‑7
Sedum
6‑7.5
Hellebore
6‑7.5
Sunflower
6‑7.5
Hyacinth
6.5‑7.5
Tulip
6‑7
Iris
5‑6.5
Viola
5.5‑6.5
Juniper
5‑6.5
HOUSE PLANTS
Preferred pH Range
Preferred pH Range
Abutilon
5.5‑6.5
Gardenia
5‑6
African Violet
6‑7
Geranium
6‑8
Anthurium
5‑6
Hibiscus
6‑8
Araucaria
5‑6
Jasmine
5.5‑7
Azalea
4.5‑6
Kalanchoe
6‑7.5
Begonia
5.5‑7.5
Mimosa
5‑7
Camellia
4.5‑5.5
Orchid
4.5‑5.5
Croton
5‑6
Palms
6‑7.5
Cyclamen
6‑7
Peperomia
5‑6
Dieffenbachia
5‑6
Philodendron
5‑6
Dracaena
5‑6
Yucca
6‑7.5
Freesia
6‑7.5
Table 3.
Preferred pH range for various crops and plants
NUTRIENT SOLUTION