What’s Happening?
This season, magnolia scale is making a comeback after several years of low activity. This cyclical insect can be highly destructive if not addressed promptly and correctly.
Why It Matters
If left untreated, magnolia scale can kill even the healthiest, most mature magnolia trees. Early intervention is crucial to prevent significant damage.
Identifying Magnolia Scale
- Appearance:
- Look for brown bumps on the bark, especially on new, softer growth.
- A sticky, shiny substance known as honeydew often accompanies scale infestations.
- Symptoms:
- Honeydew attracts hornets and bees and causes dust to stick to nearby surfaces.
- The tree itself may become sticky, with foliage appearing dirty and brown.
- Health decline can start within the first season, leading to potential dieback.
Understanding the Life Cycle
- Overwintering:
Magnolia scale overwinters as partially developed young. - Feeding Season:
Feeding begins in spring and continues through summer. Young scales are small and flat, while adults may be brown or mottled orange. - Nymphs:
By late August or the end of summer in Ontario, females produce nymphs that migrate to new twig growth, restarting the cycle.
How to Save Your Magnolia Tree
- Consult an ISA Certified Arborist:
Get professional advice tailored to your specific situation. - Treatments:
Use dormant oil, horticultural oil, or soap—each requires precise timing. - Manual Removal:
Hand-remove scale from lower branches where feasible. - Post-Infestation Care:
Deep root fertilization or compost tea will help restore tree health and vigor. - Pruning:
Prune the tree to improve airflow and structure, reducing future infestations. - Ongoing Care:
Mulch and water your tree regularly to support recovery.
Why Choose Us?
Our team of certified experts has the knowledge and experience to handle any tree, shrub, or garden issue. We specialize in treating magnolia scale and offer free consultations to assess your property and recommend the best course of action.
Contact Us Today!
Let us help protect and preserve the beauty of your landscape. Call or email us for your free consultation.
