Rugosa 'Blanc Double de Coubert' Brown Leaves: Fertilizer Sensitivity

Spring-Planted Rugosas: Brown Leaves Despite Water/Mulch/Fertilizer

Two 'Blanc Double de Coubert' planted spring. Brown leaves (not crispy). Watered every other day, pine needle mulch, Miracle-Gro rose food. Full sun.

Rugosa Establishment Rules

• Tough WHEN ESTABLISHED only
• New plants: sensitive, "real pain"
• INTOLERANT of chemical fertilizers → leaf yellow/drop
• INTOLERANT of ANY sprays

Immediate Fix

• STOP fertilizing
• Keep watering, ignore complaints
• Pine mulch = sufficient food
• Next spring: steer manure only for season

Variety Quirk

'Blanc Double de Coubert' outer petals turn brown genetically — nothing fixes this.