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Rust in Hypericum

How to identify and treat rust in Hypericum.

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Hypericum care requirements

water
Water regularly during first growing season to establish; drought-tolerant thereafter; moderate watering during dry spells maintains vigor
soil
Well-draining soil; tolerates poor to average soil but prefers fertile, humus-rich conditions; avoid waterlogged sites
light
Full sun to partial shade; requires at least 5-6 hours of direct sunlight for best flowering and color
symptoms

Symptoms to look for in Hypericum

  • fiber_manual_recordOrange or brown pustules on leaf undersides
  • fiber_manual_recordYellow spots on leaf tops
  • fiber_manual_recordPremature leaf drop
help

Common causes in Hypericum

Caused by various Puccinia and Phragmidium species. Spreads via windborne spores in moist conditions.

healing

How to treat rust in Hypericum

Remove and destroy infected leaves. Apply copper or sulphur fungicide.

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Preventing rust in Hypericum

Avoid overhead watering. Space plants adequately. Clear debris.