Watering Wisely During August Heat

August often brings some of the hottest, driest weather of the gardening season in western Massachusetts. While lawns may slow down and some plants begin showing signs of heat stress, proper watering can make all the difference. A few simple techniques will help your flowers, vegetables, trees, and shrubs stay healthy through the final stretch of summer.

Water Deeply, Not Daily

One of the biggest watering mistakes is giving plants a quick sprinkle every day.

Instead:

• Water deeply
• Allow moisture to soak into the root zone
• Water less often but more thoroughly

Deep watering encourages plants to develop stronger, deeper root systems that are better able to withstand heat and drought.

Water Early in the Morning

The best time to water is early in the morning.

Morning watering:

• Reduces evaporation
• Gives plants time to dry before evening
• Helps prevent fungal diseases
• Makes every gallon count

Avoid watering during the hottest part of the afternoon whenever possible.

Keep an Eye on Containers

Containers and hanging baskets dry out much faster than garden beds.

Be sure to:

• Check soil moisture daily
• Water thoroughly when the top inch feels dry
• Empty saucers if water collects after heavy rain
• Continue feeding blooming annuals as needed

Large containers may hold moisture longer than smaller pots.

Give New Plantings Extra Attention

Trees, shrubs, and perennials planted this year still need consistent watering.

New plantings benefit from:

• Deep watering once or twice each week
• A layer of mulch to retain moisture
• Regular moisture checks during hot weather

Healthy roots now help plants establish before cooler weather arrives.

Mulch Makes a Difference

A two to three-inch layer of mulch helps:

• Hold moisture in the soil
• Keep roots cooler
• Reduce weeds
• Limit evaporation

Keep mulch a few inches away from stems and tree trunks to improve air circulation.

Watch for Signs of Heat Stress

Plants that need water may show:

• Wilting leaves
• Dry or curled foliage
• Dropping flowers
• Slower growth

Always check the soil before watering, as some plants naturally wilt during the hottest part of the day and recover in the evening.

Frequently Asked Questions

How often should I water during August?

Most established gardens benefit from deep watering once or twice a week, depending on rainfall and soil conditions.

Is morning really the best time to water?

Yes. Watering early in the morning reduces evaporation and allows foliage to dry, helping prevent disease.

Should I water every day?

Usually not. Deep, thorough watering encourages stronger roots, while frequent shallow watering can lead to weaker plants.

Do containers need more water?

Yes. Containers and hanging baskets often dry out quickly and may need daily watering during hot weather.

Is mulch still important in August?

Absolutely. Mulch helps conserve moisture, regulate soil temperature, and reduce weed growth throughout the hottest weeks of summer.

Visit Us

Whether you’re looking for mulch, watering supplies, healthy plants, or expert gardening advice, Sixteen Acres Garden Center is here to help your garden thrive through August and beyond.

Sixteen Acres Garden Center
1359 Wilbraham Road
Springfield, MA 01119

Phone: (413) 783-5883

Summer Hours
Open Daily
8:00 AM – 5:00 PM

Stop by and let our knowledgeable team help you keep your landscape healthy, colorful, and growing strong through the rest of the summer.