Magnolia Scale: A Significant Concern for Milford Tree Owners

Magnolia trees, prized for their stunning flowers and glossy leaves, often face a significant threat in Milford, MI: magnolia scale. This pest, one of the largest scale insects in North America, can cause severe damage to these landscape trees if left unchecked.

Identifying Magnolia Scale

Magnolia scale often goes unnoticed until infestations become severe. Look for:

• White, fluffy patches on the bottom of young branches
• Sticky residue on leaves, branches, and any surfaces below the tree
• Black sooty mold growth on leaves and branches or anything under a magnolia tree

Mature female scale insects can reach up to half an inch in diameter, making them easily visible to the naked eye.

Life Cycle and Impact

• Eggs hatch in late summer to early fall
• Tiny, dark nymphs overwinter on young twigs
• Females mature and begin feeding in spring, excreting honeydew
• By August, females appear white due to a waxy coating

As these insects feed, they extract large amounts of sap from the tree, weakening it and potentially leading to decline or branch death if left untreated.

Treatment Options for Magnolia Scale

Timing is crucial for effective treatment:

• June to early July: Apply systemic insecticides
• August to October: Target crawlers with contact insecticides
• Early spring: Consider dormant oil application

If you suspect a magnolia scale infestation on your tree consult an ISA Certified Arborist from Owen Tree and Lawn Care at 800-734-6680 for professional treatment.
By staying vigilant and addressing magnolia scale promptly, Milford residents and Owen Tree can protect and save your magnolia trees so they can continue to be a beautiful asset to your landscape for years to come.