Keeping your urban planter boxes thriving during a hot summer requires a smart watering routine. Unlike in-ground gardens, containers dry out much faster. There's no single magic number, but a good rule is to check daily. On scorching days, you might need to water once or even twice a day.
The best method is the finger test. Insert your finger about 2 inches into the soil. If it feels dry, it's time to water. Water deeply until you see it run out of the drainage holes, ensuring the entire root zone is moistened.
Timing is crucial. Water early in the morning. This allows plants to absorb moisture before the heat intensifies and reduces water loss to evaporation. Avoid watering in the midday sun, as droplets can act like magnifying glasses and burn leaves.
Watch for signs from your plants. Wilting, drooping, or dry, crispy leaves often mean underwatering. Yellowing leaves or moldy soil can indicate overwatering. Adjust your schedule based on plant type, box size, material, and sun exposure. Larger boxes retain moisture longer than small ones. Adding a layer of mulch on top of the soil is a great way to conserve water and keep roots cooler.
By checking consistently and responding to your plants' needs, you can master summer watering for a lush, productive urban oasis.