Borer Damage and Decay in Autumn Blaze Maple

Three-year-old Autumn Blaze maple shows bark cracking, insect activity, and thinning canopy. Planting damage at base noted. Seven neighboring trees healthy. Diagnosis: Borer Entry via Planting Wound Installer-caused bar

Diagnosing Leaf Scorch on Apple and Peach Trees

Granny Smith apple and peach trees develop leaves that turn brown/black, resembling bad potato chips. Malathion and Sevin dust failed. Need for Visual Diagnosis Description suggests possible fungal leaf spot, bacterial

Rescuing Waterlogged Manchurian Ash in Heavy Soil

Manchurian ash planted August prior year in poorly drained soil. Early leaf drop, spring recovery, then sudden browning and leaf loss in August after record rain and heat. Owner considers digging and improving drainage.

Traditional Panchakavya: Cow Urine-Based Plant Tonic

Inquiry about cow urine as apple tree spray—composition, efficacy, and disease prevention. Cow Urine in Agriculture Primarily a nitrogen-rich fertilizer. Mixed with clay and cow dung, it seals tree wounds against insect

Oak Leaf Galls: Harmless Wasp-Induced Growths

Pin oak leaves show tan, bubble-like galls that leave holes when removed. Owner asks about sprays and harm level. Gall Formation Tiny cynipid wasps lay eggs in leaf tissue, injecting growth-regulating chemicals that ind

Diagnosing Lilac Decline: Root Rot and Herbicide Injury

A 5-year-old lilac shows yellowing, curling leaves with brown spots, bark splitting, and bark loss after spring bloom. Nearby rose and Japanese maple died; white fungus found in soil. Primary Suspects Root/wood decay f

Controlling Aphids and Sooty Mold on Crape Myrtle

Pink crape myrtles develop yellow leaves with a wet, glossy coating. The owner seeks spray recommendations. Aphid Infestation Signs The wet look is honeydew—sticky excrement from aphids feeding on leaf undersides. Check

Diagnosing Yellowing Leaves on Citrus Cocktail Tree

A 2-year-old multi-graft citrus tree (Meyer lemon, lime, navel orange, grapefruit, honeybell) shows yellowing only on the honeybell scion despite vigorous growth and fruit set. Daily afternoon rains in Jacksonville, FL.

Diagnosing White Rot in Ponytail Palm

A mature ponytail palm shows peeling bark with spongy, crumbling wood underneath. Foliage appears normal. The owner has multiple palms and fears spread. White Rot Diagnosis Spongy, light-colored decaying wood indicates

Maple Spindle Gall Mites: Cosmetic Leaf Galls

A healthy sugar maple shows small, green-to-beige, spindle-shaped projections on upper leaf surfaces. The owner wonders if this gall-like growth indicates disease. Diagnosis: Maple Spindle Gall Caused by the eriophyid m

Assessing Bark Damage and Decline in Chinese Pistache

Follow-up photos show additional bark cracking with discolored wood beneath on a struggling Chinese pistache. The owner seeks prognosis. Progressive Damage New images reveal more extensive bark cracks and cambial damage

Solving Poor Fruit Set in Cucumbers and Zucchini

Healthy cucumber and zucchini plants flower abundantly but produce no fruit. The gardener seeks causes and solutions. Male vs. Female Flowers Cucurbits produce male flowers first (straight stems) for weeks before female

Diagnosing Slime Flux and Borer Damage in Red Oak

A young red oak oozes white, foamy liquid from a trunk wound with heavy sap flow. The owners older red oak died after similar symptoms. Drought conditions prevail in Texas. Combined Diagnosis Photos reveal both slime fl

Treating Sooty Mold and Aphids on Pecan Trees

A pecan tree heavy with nuts shows leaf drop and black-coated limbs. The owner seeks diagnosis and treatment. Identifying Sooty Mold The black coating is likely sooty mold—a superficial fungus growing on honeydew excret

Investigating Gopher Damage to Chinese Pistache Trees

A Chinese pistache shows browning, dropping leaves despite regular irrigation in hot climate. The owner suspects gophers but sees no surface holes or mounds on their acreage. Gopher Feeding Habits Gophers are opportunis

Diagnosing Bark Peeling and Leaf Loss in Birch Trees

A homeowner notices one of several birch trees producing few leaves with bark peeling off the trunk. They seek diagnosis and treatment options. Normal vs. Abnormal Bark Peeling River birch (Betula nigra) naturally exfol

Managing Root-Knot Nematodes in Okra Gardens

A home gardener asks whether a specific product controls nematodes in okra, and if not, what alternatives exist. Effective Nematode Treatment Yes, the product works well. Based in Sarasota, Florida—where sandy soils fav

Identifying and Controlling Spittlebugs on Rosemary

Every year around this time, my rosemary bush develops small, white, frothy balls along its stems. Ive tried pruning affected branches and removing the debris, but the problem returns each season. This year, the infestat

Phalaenopsis Orchid Wilting, Curling Leaves, and Flower Spots: Fungal Infection Treatment

A well-cared-for moth orchid, recently repotted in bark and watered via ice cubes, suddenly developed a wilting middle leaf, curling lower leaf, brown spots on flowers, and a brown leaf spot. The owner used distilled wat

One Grape Vine Thrives, Neighbor Stagnates: Soil or Cultivar Difference?

Two young grape vines, planted 5 feet apart in identical conditions, showed drastically different growth: one climbed the trellis vigorously, the other remained static but healthy-looking (green leaves, no spots). Exper