Apple Tree Sudden Branch Death: Flatheaded Borer Treatment

Diagnosis Rapid wilting, browning, sap weeping on multiple large branches of 7-year-old apple = flatheaded apple borer. Larvae tunnel under bark, girdling limbs. Treatment Prune out dead branches (destroy them). Hire t

Meyer Lemon Fruit Drop: Repot and Prune to Balance Roots

Cause 10-year-old potted Meyer lemon dropping fruit = root-bound. Root mass exceeds soil volume, cant support fruit load. Solution Prune top growth to reduce demand on roots. Repot after dormancy (winter) into larger c

Boxwood Phytophthora Root Rot: Subdue Fungicide Timing

Control Strategy Phytophthora root rot in boxwood requires Subdue (mefenoxam) granular fungicide applied when soil reaches 50–60°F in spring. This is when pathogen is most vulnerable. Current Action Apply now to slow sp

Potted Althea (Rose of Sharon) Droopy: Overwatering Fix

Diagnosis Daily watering in pot = waterlogged roots. Althea prefers moist but well-drained soil. Fix Water every 3–4 days (when top 2 inches dry). Move to prepared bed in fall dormancy for best establishment.

Lilac and Forsythia Leaf Curl: Soil Contamination or Root Damage

Shared Symptom = Shared Cause Two different species affected identically on same side indicates: Soil contamination (chemical spill, herbicide, salt) Root zone disturbance (construction, trenching) Diagnostic Step Hir

Transplanted Holly Bushes Crispy in Dallas Heat: Likely Lost Cause

Why They Failed Moving established hollies in spring (active growth) in Texas heat = severe root loss + water demand mismatch. Root stimulator and watering cant compensate. Lesson Move hollies in fall dormancy. Spring t

Snowball Viburnum Not Blooming: Pruning Time and Fertilizer Balance

Why No Flowers Wrong pruning time: Pruning after July removes next years buds. Prune only late summer to early fall. Excess nitrogen: Promotes leaves, not flowers. Use low-N, high P/K fertilizer. Pruning Large Plants

Bay Tree Leaf Rollers: Cosmetic Pest, Treat Next Spring

Identification Caterpillars cocooning in rolled leaves = leaf rollers. Damage is usually minor. Management Current cocoons: leave alone; feeding phase over. Next spring: treat early with horticultural oil or Bt (Bacill

Privet Hedge Decline: Thrips or Anthracnose—Needs Lab Diagnosis

Symptoms Red spots, drying leaves, lower leaf drop, mildewy new growth on established privet. Possible Causes Thrips (insect) Anthracnose (soil-borne fungus) Why Professional Help Visual ID is unreliable. Soil and ti

Burning Bush Spider Mites: Stone Mulch Creates Perfect Habitat

Diagnosis Premature leaf drop, branch dieback, possible scale on 9-year-old burning bushes in stone beds = two-spotted spider mites. Stones reflect heat, creating ideal mite microclimate. Treatment Spray registered mit

Winter-Damaged Dwarf Conifers: Mite Check and Patience

Hidden Culprit: Spruce Spider Mites Alberta spruces with dead back sides—often blamed on winter—are frequently mite-damaged. Mites cause interior browning that mimics winter burn. Verify Tap live branches near damage o

Hydrangea Tree Not Growing Taller: Cultivar Limit or Winter Dieback

Why Height Is Stalled Cultivar limit: Some bigleaf hydrangeas max at 3.5 ft; others reach 6 ft. Winter dieback: In northern zones, cold kills back stems annually, preventing height gain. Encouraging Height Thin after

Arborvitae Winter Color Not Recovering: Fertilize and Check Mites

Action Plan Fertilize entire row with balanced granular fertilizer to stimulate green-up. Check for spider mites: tap branches over white paper. If tiny red/black dots move, apply miticide. Timing Concern Late-season

Burning Bush Problems: Transplant Shock or Spider Mites

Two Likely Causes Transplant shock: New plants, brittle leaves, leaf drop. Two-spotted spider mites: Check by shaking branches over white paper; look for tiny moving dots. Treatment If mites: apply miticide. For shoc

Magnolia Shrub vs. Tree: Pruning to Tree Form Anytime

Classification Some magnolia cultivars are large shrubs (15–20 ft). Regardless of label, you can prune any magnolia into tree form by removing lower branches to expose trunk(s). Timing This structural pruning can be don

Camellia Leaf Blight After Wet Spring: Fungicide and Monitoring

Diagnosis Yellow, patchy leaves on camellia after wet spring = leaf blight or leaf spot (fungal). Treatment Apply fungicide now to reduce spread. Continue ericaceous feeding. Monitor for insects (scale, aphids). Prev

Trees and Shrubs Dying After Weed Killer Application

Likely Herbicide Damage Ortho weed killer applied near trees/shrubs in spring, followed by decline during drought, suggests herbicide uptake by roots. Many lawn herbicides (e.g., 2,4-D, dicamba) move in soil and are abso

Gardenia Bud Blight: Fungicide Timing Is Critical

Diagnosis Buds turn brown and drop before opening; inner leaves yellow = bud blight (fungal). Treatment Apply fungicide now to limit spread. Next spring: start spraying at bud swell (before buds open). Repeat per label

Old Lemon Tree Decline After Repotting and Pruning

Likely Causes Repotting shock (30-year-old roots are sensitive). Spring pruning removed energy-storing foliage. Recovery Plan Fertilize with citrus-specific formula. Water consistently—moist, not soggy. Do not prune

Emerald Cedar Hedge Uneven Height: Soil Testing for Lagging Plants

Why Some Shrubs Lag In a 5-year hedge, shorter plants in the privacy-critical area indicate a localized site issue: More shade Soil nutrient deficiency Root competition from nearby trees Drainage difference Diagnostic