Early Tomato Planting & Cold Soil Risks

📌 Quick Summary (TL;DR): Early Planting & Disease Risks 🥶 The Cold Soil Trap: Growers share real-life experiments of transplanting tomatoes into unheated greenhouses too early (mid-April in Zone 4). The result? Stunted growth, delayed fruit set, and tomatoes ripening weeks later than plants set out in warmer soil. 🌱 The Seedling Stress Connection: A … Read more

Preventing Tomato Leaf Mold in Greenhouses: A Deep Dive

📌 Quick Summary (TL;DR): Fighting Tomato Leaf Mold 🌍 The Problem: Leaf Mold (Cladosporium fulvum / Passalora fulva) is a massive issue for greenhouse and hoophouse growers. In this thread, veteran growers discuss why some greenhouses get devastated while others stay clean. 🧪 Organic & Biological Controls: Several growers had great success using Trichoderma (a … Read more

Late Blight (Phytophthora) Prevention: Systemic Fungicides vs. Folk Remedies

Quick Summary: Defeating Late Blight in Cold, Rainy Climates 🌍 The Problem: Late Blight (Phytophthora infestans) is the ultimate tomato killer, especially in cool, rainy regions with heavy morning dew (like USDA Zones 3-5). Many growers harvest green tomatoes thinking they are safe, only to watch them rot indoors. 🧪 Folk Remedies vs. Science: Experienced … Read more

The Great Mulch Mistake: How Fresh Grass Brought Spider Mites to My Tomatoes in Greenhouse

The Great Mulch Mistake: How Fresh Grass Brought Spider Mites to My Tomatoes 👉 Why You Should Never Mulch with Fresh Grass ✍️ By Pomidoroved | 📅 Originally published: May 23, 2010 | 📂 Category: Pests & Diseases, Greenhouse Growing | Photo by: Lana_s_Kavkaza We all know the benefits of mulching in general, mulching tomatoes … Read more