Overwintering Potted Mini Roses on an 18th-Floor Minneapolis Balcony

No Cold Storage? Try These Apartment-Friendly Methods

A Minneapolis gardener (18th floor, warm apartment 65°F+, no protected balcony) needs to overwinter two potted mini roses.

Why Indoors Fails

House air is too dry—mini roses desiccate faster than large roses. They need a cold, dark dormancy period.

Option 1: Friend's Cold Garage/Cellar

Best: Store dormant (leafless) plants in a cold (35-45°F), dark spot. Water ¼ cup monthly.

Option 2: Balcony with Heavy Insulation

• Wait for full dormancy + dry soil.
• Wrap in 2+ layers bubble wrap + thick blanket/bath mat.
• Place in least-windy balcony corner.
• Monthly: unwrap, water ¼ cup, rewrap.

Option 3: Refrigerator Vegetable Bin

Stays just above freezing. Same monthly watering routine. Ensure no ethylene-producing fruit (apples) nearby.

All methods require the plant to be fully dormant (no leaves) before storage.