All Growing Guides

If your seeds haven't sprouted after 10 days, the cause is almost always one of 7 things. Use this decision tree to identify which one.

White mold on soil is usually harmless saprophytic fungus. It signals wet soil and poor airflow.

Seed starting mix is sterile and light for germination. Potting soil has nutrients for established plants.

The rule is 2-3 times the seed's diameter. Lettuce goes on the surface. Beans go 1 inch deep.

Store seeds cool (50-60°F), dark, and dry. Properly stored, most seeds last 3-5 years.

Spring planting depends on your USDA zone and last frost date. Cool-season crops go out 4-6 weeks before last frost. Warm-season crops go out after.

Sunflowers lean because of insufficient sun, wind, or weak stems. They naturally track the sun.

Radishes harvest in 25 days. Lettuce in 30. Here's a 30-day plan for gardeners who want to see results fast.

Thin seedlings by snipping, not pulling. Wait until they have 2-3 sets of true leaves.

Test old seeds with the paper towel method: 10 seeds, damp towel, 7 days. 7+ sprouted = viable. 0-2 = dead.

In 3x3 feet, you can grow 4-5 vegetables if you choose the right varieties and plant vertically. Here's the exact plan.

Blossom end rot is a calcium deficiency caused by inconsistent watering. The fix is consistent moisture, not adding calcium.

Tomato leaf curl has 6 causes. Upward curl is usually heat or water stress. Downward curl is usually pests or disease.

White spots on plants are powdery mildew, spider mites, or sunscald. Texture tells you which.

Windowsill gardening works for herbs, lettuce, and radishes. It doesn't work for tomatoes or peppers without a grow light. South windows are best.