Ericaceous may refer to:
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Ericaceae
The Ericaceae () are a Family (biology), family of flowering plants, commonly known as the heath or heather family, found most commonly in acidic and infertile growing conditions. The family is large, with about 4,250 known species spread acros ...
, the heather family
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Calcifuges
A calcifuge is a plant that does not tolerate alkaline (basic) soil. The word is derived from the Latin 'to flee from chalk'. These plants are also described as ericaceous, as the prototypical calcifuge is the genus ''Erica'' (heaths). It is not ...
, all plants which dislike alkaline (chalky) soil – including heathers, rhododendron and camellia
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Ericaceous bed, a bed with acidic soil typically having a pH between 4.5 and 6 used for growing Calcifuges
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