Mulch does not attract termites, but piling it against your foundation creates moisture conditions they love. Here is how to mulch safely near your home.

Too much fertilizer, especially nitrogen, pushes plants to grow leaves instead of fruit. Learn the signs of over-fertilizing and how much is really enough.

Water droplets on leaves do not focus sunlight and do not cause burns. Research debunked this myth. There are better reasons to water in the morning.

Heirloom varieties have a reputation for superior flavor, but blind taste tests tell a different story. Here is what actually determines how your tomatoes taste.

Hardpan soil feels like concrete, but it can be broken through, built over, or slowly improved. Here are proven strategies for California's toughest soils.

Planting garlic around roses is a classic companion planting tip, but research shows it does not deter aphids. Here is what actually works.

"Drought-tolerant" does not mean "never water." Most need 1 to 3 years to establish and still benefit from monthly deep soaks during California's dry season.

Drip irrigation is 90 to 95% efficient, using 30 to 50% less water than sprinklers. Longer run times deliver water to roots without evaporation or runoff.

Dish soap spray recipes are everywhere, but dish detergent can strip leaf coatings and damage plants. Here is what to use instead for safe pest control.

Deep watering means getting moisture 6 to 12 inches down, not running the hose for hours. A screwdriver test shows when you have watered enough.

Crushed eggshells seem like a logical slug barrier, but research shows slugs glide right over them. Here is what actually keeps slugs out of your garden beds.

Compost tea has passionate fans, but research shows applying compost directly is equally effective or better. Here is what the science says.