Common Pests & Diseases
Diseases
May be susceptible to a rust and honey fungus (rarely)
Pests
Generally pest-free
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square-stalked St John's wort · Hypericum tetrapterum
Also known as: hard hay; spotted St John's wort; St Peter's wort
Grow in any poor to moderately fertile soil that does not dry out
May be susceptible to a rust and honey fungus (rarely)
Generally pest-free
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