New Tibouchina Tree Dropping Leaves with Tiny Holes — Slugs, Snails, or Grasshoppers?

Tiny Hole-Punch Leaves + Rapid Leaf Drop = Pest Feeding + Transplant Shock Your newly planted St. Pete tibouchina has pinhead holes in leaves and fast leaf drop. Planted in sheltered spot with partial sun, watered regula

Pomegranate Fruit Splitting and Black Spots: Copper Fungicide Still Works in Heat

Fruit Splitting + Black Spots = Fungal Disease Your Tucson pomegranate has early splitting and black-spotted fruit (not leaves). Copper fungicide is effective — but timing matters in 100°F+ heat. Application Protocol fo

Jasmine Bush and Vines Crashing in 113°F Arizona Heat — Water Deep, Not Often

Sudden Yellowing, Drooping, Leaf Loss in Extreme Heat Your jasmine bush turned yellow overnight; vines lost leaves earlier with yellow centers, brown middles, green edges. Crickets at vine bases. Watering 4–5×/week. Heat

New Sago Palm Has Green Trunk Buildup and Crispy New Fronds — Algae, Not Mold

Green Coating on Sago Trunk = Algae, Not Fungus Your week-old nursery sago has green buildup on its bulb/trunk and shriveled, brown new fronds inside. The older plant is thriving. Good news: the green stuff is likely har

Red Bumps on Maple Leaves? Harmless Gall Wasps — No Treatment Needed

Alien-Like Growths on Maple Leaf Veins Explained Bright red, swollen, curled veins on your Ohio red maple look parasitic — but theyre galls caused by tiny gall wasps. The wasp lays eggs, secretes a chemical, and the leaf

Tomato Spotted Wilt Virus vs. Early Blight: How to Tell and What to Do

Brown Spots on Tomatoes and Geraniums — Different Problems Your tomatoes show light brown, dried, spotted leaves. Geranium Rozanne has similar spots. But theyre likely different diseases. Tomatoes: Three Main Culprits

Jacaranda Dieback in San Diego: Heat, Wind, or Water Stress?

20-Foot Jacaranda Lost Last Years Growth — Why? After a healthy bloom last July, your jacaranda showed sparse flowers this June, with 6–12 dieback on all branches and heavy suckering from the trunk. Neighbors trees simil

Birch Tree Top Leaf Loss: Aphid Infestation Systemic Treatment

Diagnosing the Defoliation Birch losing top leaves with history of fall green bugs—aphids are the chronic birch pest. They feed on leaf undersides, causing curling, browning, defoliation. Fall presence indicates year-rou

Purple Hibiscus (Alyogyne) Blood-Like Leaf Spots: Species ID and Care

Identifying the Plant Purple hibiscus with different leaves, blood-like leaf spots turning brown/dying—likely Alyogyne huegelii (native hibiscus), not true Hibiscus. Disease rarely bothers this species. Care Requirement

Petunia Rust Spots on Blooms: Petal Blight Management

Identifying the Bloom Damage Daily deadheaded petunias with rust spots on fresh blooms—petal blight (fungal or bacterial). Overhead watering with sprinkler can spreads pathogens to flowers. Simple Fix Water soil only

Red Mulberry Odd Fruit: Wild Type or Mite Damage

Evaluating the Fruit Midwest red mulberry with normal fruit plus fat, lumpy, unripening fruit—two possibilities: Wild/seedling tree: Naturally produces variable, often non-ripening fruit. Common in native mulberries.

Large Maple Borer Infestation: Systemic Insecticide Attempt

Assessing Severe Borer Damage NH maple with 20-ft trunk section showing ¼ round holes, sawdust (frass), dead bark, dead limbs, dried 1-inch grub remains—severe borer infestation (likely clearwing or flatheaded borer). Tr

Hydrangea Sudden Leaf Browning: Fungus vs. Overwatering

Quick Field Diagnosis Mature hydrangea with sudden brown curling leaves; 20 ft away, smaller bush showing same: Purple margin around brown? → Fungal leaf spot (Cercospora, Phyllosticta). No purple margin? → Likely o

Palm Yellowing and Brown Spots: Manganese Deficiency (Frizzle Top)

Unified Diagnosis for Both Palms Two unknown palms in perennial peanut lawn (nitrogen-fixing) with yellowing, brown spots, dying fronds—manganese deficiency (frizzle top) is the primary cause in alkaline soils. Potassium

Hydrangea Bloom Shrivel and Leaf Wrinkle: Water and Sun Management

Diagnosing the Decline Ohio hydrangeas (Endless Summer type) planted 5 ft apart—one shriveling blooms (green→brown), wrinkly hard leaves; second now showing bloom shrivel. Despite rain, likely insufficient root-zone wate

Pistachio Tree Sticky Honeydew: Aphid or Scale Infestation

Identifying the Source Gluelike sticky film on pistachio leaves = honeydew from sap-feeding insects—aphids (soft, round, on leaf undersides) or scale (oval shields on stems, scrapeable). Black sooty mold may follow. Saf

Calandiva Stem Brown Spots: Environmental, Not Pathogenic

Assessing the Spots Brown spots on Calandiva (Kalanchoe blossfeldiana) stems—sent photos—appear environmental, not infectious. No insect signs, no spread pattern. Likely minor physical injury, fertilizer salt deposit, or

Robellini Palm Manganese Deficiency: Frizzle Top Treatment

Diagnosing the Deficiency Central Florida Robellini palm (5–6 ft, 5 months planted) with yellowish fronds, black spots, light green new growth, dead frond tips—classic manganese deficiency (frizzle top). Common in alkali

Clematis Black Spots: Cultural Fix Before Fungicide

Addressing Clematis Decline Clematis with black spots throughout vines/leaves, dying rapidly—clematis require cool, moist roots + full sun top. This conflict often causes stress-induced fungal issues. First-Line Cultura

Evergreen Bush Rust Color: Spider Mite Confirmation and Treatment

Confirming Mite Infestation Rust-colored dead growth on evergreen bush—shake branches over white paper. Moving black/red specks = spider mites. If static = not mites. Mite Treatment Protocol Apply miticide (local nur