Honeysuckle Powdery Mildew: Milk Spray Remedy and Winter Care

Potted honeysuckle may have powdery mildew from overwatering. Owner asks about winter care: watering frequency, pruning, and covering.

Milk Spray for Powdery Mildew

Research shows weekly spray of 10% milk (1 part milk : 9 parts water) reduces powdery mildew severity by 90%. Do not exceed 30% milk—higher concentrations grow harmless but unsightly fungus.

Winter Care for Potted Honeysuckle

• Water sparingly: Only when soil is dry several inches down.
• Prune lightly: Remove dead/diseased wood; major pruning in late winter.
• Do not cover with plastic: Traps moisture, encourages rot. Use breathable burlap if extreme cold threatens.
• Protect roots: Insulate pot with mulch, bubble wrap, or move to unheated garage.
• Light: Keep in bright, cool location if indoors.

Reference

For general indoor plant care: Texas A&M Houseplant Guide