October Glory Maple Bark Cracking and Black Sap: Diagnosis and Care

Assessing Bark Damage on Mature Maples Vertical cracks extending around the trunk of a 15-year-old October Glory maple, accompanied by black sap oozing and loose bark, signal a serious vascular issue. This presentation i

Plumeria Leaf Curling and Crepe Myrtle Sap Removal

Diagnosing Distorted Plumeria Foliage When new plumeria (frangipani) leaves emerge curled, asymmetrical, and jagged instead of their characteristic broad oval shape, sap-feeding insects are the primary suspects. Aphids,

Tiny Black Bugs Devouring Weeping Willow Branches: Identification and Treatment

Discovering tiny black insects feeding on the limbs and branches of your weeping willows—while leaving the foliage untouched—can be puzzling and concerning. This pattern of damage often points to scale insects, which att

Recovering Willow from Herbicide-Induced Yellowing

Diagnosing the Cause Yellowing weeping willow leaves after a weed and feed (fertilizer + herbicide) application strongly suggests herbicide injury. Broadleaf weed killers (2,4-D, dicamba, MCPP) volatilize or leach into r

Eradicating Flea Beetles on Swiss Chard

Identifying the Culprit Small, black, jumping beetles that chew shot-holes in leaves and cause curling are flea beetles. They overwinter in soil and debris, emerging in spring to feed on brassicas and leafy greens. Their

Diagnosing Lawn Dieback Under Pine Trees with Webbing

Separating Tree and Lawn Issues The webbing in your pine trees is likely from pine webworms or bagworms—caterpillars that construct silken shelters. They rarely kill trees but can cause unsightly defoliation. The lawn di

Controlling Webworms on Evergreen Shrubs

Identifying the Pest Webbing on branch tips with browning, easily detached needles suggests webworms (caterpillars of various moths) or spider mites (fine webbing, stippled needles). Look inside the webbing: caterpillars

Reviving a Struggling Dwarf Meyer Lemon Tree

Understanding the Problem Receiving a bare-root dwarf Meyer lemon tree by mail in early May is exciting, but the transition can be stressful for the plant. You potted it in a 12-inch plastic container with all-purpose so

Troubleshooting Curling Leaves on Cantaloupe Plants

Common Causes of Leaf Curl in Cucurbits Curling cantaloupe leaves can stem from several issues: Aphids on leaf undersides (check with a hand lens). Viral diseases (e.g., cucumber mosaic virus) transmitted by aphids—caus

Addressing Fungal Spots and Insect Damage on Pansies

Diagnosing the Problems Your pansies show two distinct issues: Black leaf spots: Likely a fungal leaf spot (e.g., Alternaria, Cercospora). Common in cool, wet conditions or when plants are stressed by heat. Dried milk m

Controlling Aphids on Plum Trees for Healthy Foliage

Recognizing Aphid Damage Tiny white insects on leaf undersides causing curling, whitening, and death are classic aphid symptoms. Aphids pierce leaf tissue and suck sap, injecting toxins that distort growth. The sticky ho

Diagnosing Leaf Galls and Scale on Heritage Birch

What Are Those Wart-Like Growths? The small, rough, wart-like bumps on your birch leaves are most likely insect galls—abnormal plant growths induced by tiny wasps, mites, or aphids. The insect lays eggs; the plant reacts

Managing Aphids on Shrubs: Identification and Control Options

Confirming Aphid Infestation Tiny white insects on leaves that cause curling, yellowing, and leaf drop are likely aphids. Key signs include: Sticky honeydew on leaves and surfaces below (a sugary excretion). Black sooty

Controlling Scale Insects on Weeping Willow with Systemic Insecticide

Identifying the Pest The scales covering your weeping willow leaves are almost certainly scale insects—small, immobile pests that attach to leaves and stems, sucking plant sap. They appear as tiny bumps (often brown, tan

Reviving a Stressed Korean Dogwood 'Milky Way' in the Pacific Northwest

Diagnosing the Problem Your Korean dogwood (Cornus kousa Milky Way) shows classic signs of transplant shock compounded by overwatering. Daily watering—even with good drainage—keeps the root zone constantly saturated, dep

Rescuing Black-Eyed Susans from Root Rot in Wet Conditions

Why Your Black-Eyed Susans Are Dying The grayish hue on leaves followed by sudden wilting and death is classic root rot caused by excessive soil moisture. Black-eyed Susans (Rudbeckia) are drought-tolerant perennials tha

Identifying and Managing Slime Mold in Mulched Flower Beds

What Is That Foamy, Powdery Growth? The whitish-yellow globs that release a cloud of powder when disturbed are slime molds—primitive, fungus-like organisms that feed on decaying organic matter in mulch. They often appear

Saving a Large Japanese Maple with Bark Loss and Dead Branches

Assessing the Health of Your Japanese Maple A Japanese maple over 30 feet tall is a magnificent specimen, but bark falling off the trunk is a serious warning sign. When bark separates from the wood, the trees vascular sy

Identifying and Managing Leaf Scorch on Sugar Maples

Understanding Leaf Scorch on Sugar Maples If youve noticed browning leaves on your sugar maple—especially along the edges and between the veins—youre likely seeing leaf scorch. This common physiological disorder appears

Anthurium Care: Repotting, Combining Plants, and Getting Blooms Back

Two Anthuriums, One Pot? Heres How to Succeed You have a sun-scorched older plant (recovering with new shoots) and a younger blooming one. Both in regular soil, both in an 8 Plant Spa pot. You want to combine them in orc