Troubleshooting
Geum 'Prinses Juliana' problems — and how to fix them
Geum 'Prinses Juliana' (Geum 'Prinses Juliana') is generally forgiving once you match its basics, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Floppy stems
Tall flower stems can splay in rich soil or shade; site in sun and provide light support in exposed positions.
Powdery mildew
Grey-white film on leaves develops in dry, crowded conditions; thin clumps and keep roots moist to limit it.
Declining flowering
Blooms taper off if clumps are left congested or spent flowers remain; deadhead regularly and divide every few years.
Winter wet rot
Crowns rot in waterlogged soil over winter; ensure sharp drainage, particularly on clay.
Prevent geum 'prinses juliana' problems before they start
Most geum 'prinses juliana' issues are care-mismatch, not bad luck. Dial in the basics:
Looking for geum 'prinses juliana' in general rather than its problems? Read the full geum 'prinses juliana' care guide — light, water, soil and feeding.
Geum 'Prinses Juliana' problems — FAQ
Why is my geum 'prinses juliana' floppy stems?
Tall flower stems can splay in rich soil or shade; site in sun and provide light support in exposed positions.
Why is my geum 'prinses juliana' powdery mildew?
Grey-white film on leaves develops in dry, crowded conditions; thin clumps and keep roots moist to limit it.
Why is my geum 'prinses juliana' declining flowering?
Blooms taper off if clumps are left congested or spent flowers remain; deadhead regularly and divide every few years.
Why is my geum 'prinses juliana' winter wet rot?
Crowns rot in waterlogged soil over winter; ensure sharp drainage, particularly on clay.