Indoor Plant pH
Jack Eden - Gardening Expert

pH Values for Common Indoor Plants

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Plant

pH Value

 

African violet

6.0 – 7.0

 

Amaryllis

5.5 – 6.5

 

Anthurium

5.0 – 6.0

 

Arrowhead Vine

4.55 – 5.5

 

Azalea

4.5 – 5.5

 

Baby Tears

5.0 – 5.5

 

Begonia

6.0 – 7.0

 

Bird-of-Paradise (Strelitzia)

 

 

Bloodleaf

5.5 – 6.5

Top

Boston Fern

5.5 – 7

 

Bougainvillea

6.0 - 7

 

Bromeliads

5.0 – 6.0

 

Cacti (all)

4.5 - 6

 

Cast-Iron Plant (Aspidistra)

4 – 5.5

 

Chinese Evergreen

5.0 – 6

 

Christmas Cactus

5.0 – 6.5

 

Citrus

4.5 – 5.5

 

Coleus

6.0 – 7.0

 

Columnea

4.5 – 5.5

Top

Croton

5.0 - 6

 

Crown of Thorms

6.0 - 7

 

Dieffenbachia

5.0 - 6

 

Dracaena

5.0 - 6

 

English Ivy

6.0 – 7.5

 

Episcia

6.0 - 7

 

Ferns

6.0 - 7

 

Ficus

5.0 - 6

 

Fittonia

5.5 – 6.5

 

Gardenia

4.5 - 5

Top

Gloxinia

5.5 – 6.5

 

Grape Ivy (Cissus)

5.0 – 6.5

 

Holly

4.5 - 5

 

Impatiens

5.5 – 6.5

 

Jade

5.0 - 6

 

Jasmine

5.0 - 6

 

Maidenhair Fern

6.0 – 8

 

Mandevilla (Chilean Jasmine/Dipladenia)

5.0 - 6

 

Mother-in-Law’s Tongue (sanseveria)

5.0 - 7

 

Palms

6.0 - 7

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Peperomia

6.0 - 7

 

Philodendron

5.0 – 6

 

Plumeria

6.4 – 6.8

 

Poinsettia

5.0 - 6

 

Pothos (Devil’s Ivy)

5.0 - 6

 

Prayer Plant (maranta)

5.0 - 6

 

Rubber Plant

5 - 6.5

 

Schefflera

5.0 – 7.5

 

Spider Plant (Chlorophytum)

6.0 – 7.5

 

Tibouchina

6.0 - 7

Top

Velvet Plant (Gynura)

5.5 – 6.5

 

Wandering Jew

5.0 - 6

 

Weeping Fig (Ficus Benjamina)

5.0 - 6

 

Yucca

6.5 – 7

 

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