Plum tomatoes make the best sauce — and get blossom end rot first. Here’s the shared cause, plus Roma vs Amish Paste and 6 paste tomato varieties compared.
Minnesota’s first frost is forecast for mid-September. Pinch new tomato flowers and top the main stem now so the fruit already on the vine has time to ripen.
Most ‘patio tomato’ varieties aren’t truly dwarf. Here are 8 that fruit heavily in a 5-gallon pot, plus the setup that gets a real harvest from each.
Learn when to pick tomatoes using the 6 USDA ripeness stages. Discover why harvesting at the breaker stage beats cracking, pest damage, and heat color loss.
BadaBing! F1 is the 2026 AAS winner with TomatoGuard disease resistance — Septoria, early blight, and late blight. 50+ crack-resistant fruits per plant. Complete grow guide.
Velvety olive fuzz on tomato leaf undersides means leaf mold, not early blight. Learn the 85% humidity trigger, 3-disease diagnostic table, and airflow fixes.
Above 75°F = bacterial spot; below 75°F = bacterial speck. Use temperature to diagnose your tomatoes before you buy the wrong spray — and learn why fungicides can’t touch either disease.
Your soil has enough calcium — blossom-end rot happens when watering swings cut off delivery to developing fruit. Here’s the protocol that prevents it.
Septoria leaf spot creates tiny gray-centered spots that climb from your tomato’s bottom leaves up — here’s how to tell them from early blight, and the fungicide schedule that actually stops the spread.
Identify tomato early blight by its bullseye rings and yellow halo, understand the 75°F infection window, and follow a staged spray schedule before defoliation triggers fruit sunscald.
Zone 10 tomatoes fail in summer because 85°F kills pollen — here are the two planting windows that actually work and 8 varieties that keep producing through the heat.
Zone 4 gives tomatoes a 90-day window once pollen fails at 55°F. Use this planting calendar and DTM-ranked variety table to get a full crop before September.
Zone 9 gardeners have two tomato seasons—spring and fall—separated by a summer heat pause. Use this state-by-state planting calendar, variety table, and heat management guide to harvest twice per year.
Grow tomatoes in Zone 3 successfully by choosing 52–65 day varieties, starting indoors April 13, and transplanting after June 1. NDSU and UMN extension-sourced planting calendar inside.
Zone 9 gardeners have two tomato seasons—spring and fall—separated by a summer heat pause. Use this state-by-state planting calendar, variety table, and heat management guide to harvest twice per year.