Garden Problems ·
Plum Tree Diseases: Identifying Silver Leaf, Rust and Rot
Most plum problems are one of six things. How to tell them apart by what the leaves, fruit and bark show, and which ones mean the tree is lost.
Plant Diseases
12 guides in Garden Problems.
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Tomato Blight: Telling Early From Late, and What to Do
Late blight destroys a plant in days and there is no cure. How to identify it against early blight, act fast enough to save the fruit, and prevent it next year.
Garden Problems ·
Does Neem Oil Kill Powdery Mildew? Yes, On Contact Only
Neem oil kills powdery mildew spores it physically wets and prevents new infection for a few days. It does not cure leaves already badly colonised.
Garden Problems ·
Does Sulfur Kill Fungus? Yes, But Only What It Covers
Sulfur is a genuine contact fungicide that stops spores germinating on a sprayed surface. It is protective, not curative, and burns plants in heat.
Garden Problems ·
Black Spots on Cherry Tomatoes: Where It Sits Tells You
A black spot at the blossom end, on the shoulder, or anywhere on the skin means three different problems with three different fixes. Position is the test.
Garden Problems ·
Why Are My Zucchini Leaves Yellowing? Read the Pattern First
Which leaves yellow, and whether the veins stay green, separates feeding from overwatering from squash vine borer. Work down the list in that order.
Garden Problems ·
Why Is My Grass Turning White? Four Causes, One Test Each
Powdery mildew, dollar spot, frost scald and mower scalping all bleach turf white. Each has a test that rules it in or out in under a minute.
Garden Problems ·
Is Rust a Fungus? Yes — and an Unusually Strange One
Plant rust is a fungal disease of the order Pucciniales. Many species need two unrelated host plants to complete their life cycle.
Garden Problems ·
What Is Blight in Plants? Fast Death of Leaves and Stems
Blight is rapid tissue death from fungal or bacterial infection — not one disease. What separates it from wilt, rot, spot and mildew.
Garden Problems ·
Black Spots on Tomato Leaves: Which Disease You Have
Septoria, early blight, bacterial spot and late blight all start as dark leaf spots. Telling them apart decides whether you prune, spray, or pull the plant.
Garden Problems ·
Fungus Gnats: Kill the Larvae, Not the Flies You See
The adults are harmless; the larvae in the top inch of compost are what damage roots. Why letting the surface dry works, and what actually breaks the cycle.
Garden Problems ·
Powdery Mildew: Why It Spreads and What Actually Stops It
Powdery mildew is the one fungus that does not need wet leaves — it thrives in humid air and dry foliage. How to spot it early and what treatments hold up.
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