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Diseases & Pests Advice

Expert advice to help treat and prevent diseases & pests with many common plant varieties. 


  • Alyssum

    Alyssum are tolerant of a wide range of soil conditions, but prefer a rich soil with good drainage.

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  • Begonia

    Begonias like rich, loose and fertile soil which drains well.

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  • African Marigold

    African Marigolds are tolerant of many different soil types, but like most bedding plants prefer a well-draining soil such as a sandy loam.

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  • Bellis

    Bellis need a fertile, moist soil and plenty of sun.

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  • Celosia

    Celosia is easy to grow in moist, well-drained, fertile soil and prefers full sun.

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  • Cyclamen

    In the landscape, cyclamen grow best in well-drained soils that are moist, but not wet.

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  • Gaillardia

    Though they will perform best in moist soils, Gaillardias are highly drought tolerant.

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  • Lobelia

    Lobelias like rich, loose and fertile soil which drains well.

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  • Pansy / Viola

    Pansies are tolerant of a wide range of soil conditions, but prefer a rich soil with good drainage.

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  • Petunias

    Even though petunias are very adaptable and will grow in almost any kind of soil, they do best in a light but rich soil that has good drainage.

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  • Rudbeckia

    In the landscape, Rudbeckia are tolerant of all but wet, poorly aerated soils that can cause root rot. Heavy clay soils will retard root growth and starve the plant of oxygen, which can lead to root diseases.

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  • Snapdragon

    Snapdragons require a well-drained, fertile soil.

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  • Vinca

    Vinca needs a soil that drains well, but not one that is particularly rich or fertile.

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  • Dianthus

    Dianthus are tolerant of a wide range of soil conditions, but prefer a rich soil with good drainage.

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  • Poppy

    Poppies prefer a well-drained, humus-rich soil, and will bloom most heavily with full sun and regular watering.

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  • Ageratum

    Ageratum grow in any well-drained soil in full sun or partial shade.

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  • Calendula

    In the landscape, Calendula prefers rich, well drained soil, but will grow in average to slightly poor soils.

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  • Cineraria

    Cineraria plants need a constantly moist but well-draining soil to prevent wilting and premature loss of flowers.

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  • Dahlia

    Dahlias grow best in a deep, fertile, well-drained soil; they are not tolerant of water-logged soils.

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  • Geranium

    Geraniums are very adaptable and will grow in almost any kind of soil.

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  • Ornamental Pepper

    Ornamental Peppers like rich, loose and fertile soil which drains well.

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  • Pentas

    Pentas prefer a well-drained, humus-rich soil.

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  • Primula

    Primulas are tolerant of a wide range of soil conditions, but prefer a rich soil with good drainage.

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  • Salvia

    In the landscape, salvias are tolerant of all but wet, poorly aerated soils that can cause root rot.

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  • Verbena

    Verbenas need a soil that drains well, but not one that is particularly rich or fertile.

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  • Zinnia

    In the landscape, zinnias are tolerant of all but wet, poorly aerated soils that can cause root rot.

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