With temperatures hitting the nineties and feeling like 100°F today, your first instinct might be to grab the hose. Hold up! Check Before You Water That big rain we had on Sunday (plus all the cool, wet weather we've had all spring) means your soil likely still has plenty of moisture. Before watering, do the finger test: push your index finger 1-2 inches deep into the soil near your plants. If it feels like a soft, damp sponge, or has a darker color your plants are fine. Heat Stress vs. Water...