Keeping your plants healthy and thriving starts with one of the most basic gardening tasks—watering. But as simple as it sounds, there’s a bit of science behind it.
Water too little, and your plants wilt.
Water too much, and their roots can rot.
Whether you’re caring for a backyard garden or just trying to keep your houseplants alive through the summer heat, this guide covers when, how, and how much to water—plus tips on avoiding common summer watering mistakes.
How Often Should You Water Plants?
The short answer is that there’s no one-size-fits-all rule here. The ideal frequency depends on:
- Plant type: Succulents and drought-tolerant species need less frequent watering than ferns or vegetables.
- Soil type: Sandy soils dry out faster than clay-based soils.
- Weather conditions: Hot, dry, and windy days require more frequent watering.
- Container vs. in-ground: Potted plants tend to dry out faster and require more frequent attention.
General rule of thumb
Most plants do well with about 1–1.5 inches of water per week, either through rainfall or irrigation. However, newly planted gardens or seedlings may need daily watering until roots establish.
How Much Water Do Plants Really Need?
The goal is to moisten the entire root zone. Shallow watering leads to shallow roots, which makes plants more vulnerable to stress.
- For garden beds: Water until the soil is moist about 6 inches deep.
- For containers: Water until you see it draining from the bottom. Let the top inch of soil dry before watering again.
- Lawns: Aim for deep, infrequent watering to encourage healthy root growth, typically two to three times per week in summer.
When Is the Best Time to Water?
Early morning is ideal. Temperatures are cooler, water can soak in before evaporating, and leaves have time to dry out, reducing the risk of disease.
Avoid watering in the evening, as this can leave plants damp overnight and promote fungus. Also, try not to water during peak midday heat, as most of the water will evaporate before it benefits your plants.
Summer Watering Mistakes (and How to Avoid Them)
The heat of summer can throw even experienced gardeners off their game. Here are a few common missteps to avoid:
1. Overwatering
Many people assume drooping leaves = dry plant, but that’s not always the case. Overwatering can cause root rot and suffocate the plant. Always check the soil first before watering.
2. Watering the leaves, not the soil
Watering from overhead can lead to fungal problems and sunburned leaves. Focus water at the base of the plant to deliver moisture right where it’s needed.
3. Inconsistent watering
Skipping several days and then flooding your plants can stress them out. Try to stick to a regular schedule, especially during hot spells.
4. Ignoring mulch
A 2–3 inch layer of mulch helps retain soil moisture, regulate temperature, and reduce evaporation. It’s one of the simplest ways to make your watering more effective.
Smart Irrigation Tips for Water-Wise Gardens
As irrigation professionals, we know how critical efficient watering systems are, especially in the summer. Here’s how to water smarter, not harder:
- Use drip irrigation for gardens and beds to deliver water directly to the root zone with minimal waste.
- Install smart controllers that adjust watering based on weather conditions and soil moisture levels.
- Check for leaks or clogged emitters in your system to ensure every drop counts.
- Zone your landscape so plants with similar water needs are grouped together.
Make Every Drop Count This Summer
Watering is essential, but it’s also easy to get wrong. By understanding your plants’ needs, adjusting your schedule with the seasons, and using smart irrigation strategies, you can keep your garden healthy and beautiful all summer long.
Need help designing an efficient watering system for your landscape? Our irrigation experts at Kelly Grow are just a call away. Reach out today to learn more about what your lawn and garden needs and how we can help.
