Chinese Elm Sudden Leaf Curl and Death: Root/Soil Trauma

2-Year-Old Chinese Elm in Tucson Suddenly Loses All Leaves Hot but normal for tree. 3 days ago leaves curled, light green, now dry and dead. Branches bendy. Expert Assessment Ulmus parvifolia durable (zones 4–9). Sudden

Sago Palm Browning Indoors in Michigan: Asian Cycad Scale Suspected

5-Year-Old Indoor Sago Fronds Yellow Then Brown from Tips Spot starts 1/3 up leaf, spreads. Month ago, 10 fronds emerged (usually 3–4), twisted ends. Moved outdoors, added Miracle-Gro, worsened. Now all leaves brown exce

Snowball Bush Planting Time in New York

When to Plant Snowball Bush from Planter to Garden in NY? Owner asks best time and method. Answer Kathy unsure what snowball bush is (botanical name needed). Rule of thumb: if hardy in NY, plant by fall to establish bef

Flowering Cherry Transplant Shock in Houston Heat

Newly Planted Cherry Drooping in 90–100°F Heat Planted in sandy soil, hole twice root ball, compost, root ball 4 inches high. Regular water until rain 3 weeks ago. Mid-morning to late afternoon sun. Expert Advice Likely

Powdery Mildew on Rosemary: Organic Controls

Rosemary in Dry Eastern WA Has Powdery Mildew Afternoon/evening sun, growing well, foliage dry when watered. Wants organic remedies. Expert Options Organic controls: (1) dusting sulfur (watch temp—hot causes burn), (2)

Mimosa Tree Covered in Bees, Hornets, Moths: Nectar Attraction

One of Three Mimosa Trees Swarmed at Front Door Day: bees/hornets. Night: moths. Only this tree. Will it kill tree? Answer Blossoms attract pollinators with nectar. Cant stop without stopping bloom. Wont hurt tree. Just

Oleander Dieback in Houston: Oleander Leaf Scorch or Water Stress

Section of Oleanders Dead, Others Healthy; Yellow Then Brown Leaves Owner in Houston, TX. Good water, but dead plants between healthy ones. Expert Analysis Could be Oleander Leaf Scorch (Xylella fastidiosa, vectored by

Beetle-Like Insect on Spider Plant: Need ID for Targeted Control

Indoor Spider Plant Has Fast Bugs, Dark Spots, Lacy Brown Leaf Tips Bugs have large abdomen, antennae, barbs/folded wings. Alcohol/water and leaf shine didnt work. Expert Guidance Collect bugs in bottle/bag. Take to gar

Autumn Blaze Maple Aphid Infestation: Systemic Insecticide Best

4-Year-Old 30-ft Maple Has Chronic Aphids, Ants, Stress Spraying with water and insecticidal soap fails; tree too tall. Sticky barrier on trunk. Ordered Bayer Advanced Tree & Shrub Insect Control. Asks opinion. Expert A

Pomelo Pests and Diseases: General Health Approach

What Attacks Pomelo and How to Control Organically? Owner wants list of pests/diseases and prevention. Answer Too many to list. Keep plant healthy: avoid cheap fertilizers, avoid poisons. Use Atomic Grow (organic, resto

Quaking Aspen Black Branches: Sooty Mold from Scale Insects

Tree Has Black Leak Fungus, Flat Black Branches, White Trunk Planted March in NH. Treated with mycorrhizal fertilizer. Asks if it kills fungus or controls. Branches black, trunk white. Expert Diagnosis Likely sooty mold

Sago Palms Yellowing in Coastal Southern California: Soil Test Needed

15-Year-Old Sagos Turn Yellow Rapidly; Two of Several Affected Moderate water, full sun. New fronds also yellow. Palm food and manganese tried. No bugs. Nurseries stumped. Expert Recommendation Focus on soil conditions.

Lemon Tree Yellow Veins: Possible Foot Rot from Overwatering

Citrus Leaves Show Yellow Veins, Green Tissue Owner asks about nutrient need. Answer Kathy suspects overwatering/foot rot. Ensure no mulch under tree, good drainage, weekly watering. Search foot rot citrus for photos to

Golden Jade Leaf Loss: Heat and Humidity Stress

Red-Bordered Jade Planted at Gravesite Loses Leaves in Hot Humid Summer Owner asks if overwatered or full sun caused it. Nursery said okay. Told leaves regrow, use gardeners sulfur for fungus. Expert Opinion Likely envi

Cedar Apple Rust on Windbreak Cedars: Manage Apple Proximity

Old Cedars Have Brown Lumpy Nodules; Owner Worried About New Fruit Trees Nodules on one cedar, few on neighbor. Berries present. Fruit trees ordered nearby. Expert Identification Nodules are Cedar Apple Rust (fungus). M

Apple Orchard Problems at High Elevation: Borers, Sun, Heat, Pruning Bleed

Multiple Issues in 5000–6000m Apple Orchard Root borers, slow growth on sunny side, heat killing trees, black branches after hard pruning, volleefed and funngy diseases, weak branches. Expert Focus Insect borers are key

Poplar Trees Covered in Sticky Spray: Aphid Honeydew

Farmyard Poplars Suddenly Coated in Fine Sticky Mist Also on vehicles, deck. First time in 41 years. Expert Explanation Sticky spray is honeydew from insects feeding above (aphids, etc.). Its insect excrement. Nuisance

Japanese Maple Black Stems and Wilting: Sooty Mold from Insects

Upper Branches Turn Black, Leaves Wilt Every Few Years PNW climate. Owner checks drip, cuts back to healthy growth. Expert Diagnosis Black stems likely sooty mold from insect infestation (scale, aphids). Google sooty mo

Pin Oak Dropping Hard Pellets: Insect Frass

Mature Pin Oak Over Deck Drops Tiny Hard Pellets Pellets (1/16) fall in bird bath, swell, turn green like algae. First time in 10 years. Expert Hypothesis Likely insect frass (poop). Dry pellets absorb water, swell. Sen

Hibiscus Pepper-Like Specks: Sooty Mold from Insects

Indoor Hibiscus Covered in Black Specks That Return After Washing Insecticide soaps and fungicide tried. Hose cleaned temporarily. Expert Test Wipe specks with wet paper towel. If they come off → sooty mold from insects