Common Pests & Diseases
Diseases
Generally disease-free, but may be affected by leaf spot
Pests
Generally pest-free
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sneezeweed 'Riverton Gem' · Helenium 'Riverton Gem'
Grow in full sun in fertile, moisture-retentive, humus-rich soil, and provide support for the tall stems; divide every two to three years to maintain vigour
Generally disease-free, but may be affected by leaf spot
Generally pest-free
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