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Why Has Kerria Died?

Alexander Ross • • 6 min read
Why Has Kerria Died?

Pests and diseases
Since 2014 the UK's Royal Horticultural Society has been receiving reports from gardeners and horticulturalists of damage to plants of the shrub Kerria japonica. Symptoms include multiple red spots on leaves, and lesions on the stems, resulting in defoliation and eventual death.

Why did my Kerria die?

The cause of twig and leaf blight on Kerria japonica is the fungus Blumeriella kerriae. ... The fungus overwinters on fallen leaves and lesions on the stems then releases spores to reinfect new growth in spring. Spore production has been observed throughout the year on Kerria plants in the UK.

Does Kerria like full sun?

Growing a Japanese Kerria

Although Kerria Japanese rose tolerates full sunlight in cool climates, it generally prefers a site in afternoon shade. Too much sunlight causes the shrub to take on a bleached appearance and the flowers tend to fade quickly.

Alexander Ross
Author

Alexander Ross

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.