Summer Tree & Shrub Care: Keep New Landscape Plants Alive

Summer Tree & Shrub Care: Keep New Landscape Plants Alive

Summer Tree & Shrub Care: How to Keep Newly Planted Landscape Plants Alive in the Heat

You've invested in beautiful new trees and shrubs to improve your landscape—but now the summer heat has arrived. If you've noticed wilting leaves or worry that your new plants won't survive, you're not alone.

The good news is that most newly planted trees and shrubs can thrive through summer with proper care. In this guide, we'll explain exactly how to water, mulch, and maintain new landscape plants so they establish strong root systems and flourish for years to come.

Whether you've recently planted a flowering shrub, evergreen hedge, ornamental tree, or shade tree, these proven summer care tips will help protect your investment.

Why Summer Is the Most Critical Time for New Trees and Shrubs

A newly planted tree or shrub spends its first year developing roots—not producing lots of new top growth.

Unlike established plants with deep root systems, new plants depend on the limited soil surrounding their root ball. During hot weather, that soil dries quickly, making consistent watering essential.

Fortunately, most plant losses aren't caused by heat alone—they're caused by improper watering.

1. Water Deeply, Not Every Day

One of the biggest mistakes homeowners make is giving their new plants a quick sprinkle each day.

Instead:

  • Water slowly and deeply.

  • Allow moisture to soak the entire root ball.

  • Let water penetrate 8–12 inches into the soil.

  • Water directly over the root ball, not just around the edges.

Deep watering encourages roots to grow downward where soil stays cooler and holds moisture longer.

General Summer Watering Guide

Weeks 1–2

  • Water every day if temperatures exceed 90°F.

  • During milder weather, every other day is usually sufficient.

Weeks 3–8

  • Water two to three times each week.

After Two Months

  • Water once or twice weekly, depending on rainfall and temperatures.

Always adjust based on rainfall and soil moisture.

2. Check the Soil Before You Water

Never rely solely on a watering schedule.

Instead:

Push your finger or a small trowel into the soil about 3–4 inches deep.

  • Dry? Water thoroughly.

  • Slightly moist? Wait another day.

  • Wet? Don't water.

Overwatering can suffocate roots just as easily as underwatering.

3. Mulch Is One of the Best Things You Can Do

A proper mulch layer dramatically improves a plant's chances of surviving summer.

Benefits include:

  • Conserves soil moisture

  • Keeps roots cooler

  • Reduces weeds

  • Improves soil quality over time

  • Minimizes watering frequency

Apply 2–3 inches of natural mulch around the plant.

Don't Make a Mulch Volcano

Keep mulch several inches away from the trunk or main stems.

Mulch piled against bark traps moisture, encourages disease, and may attract insects.

Instead, create a flat "donut" of mulch around the plant.

4. Expect Some Wilting During Hot Afternoons

Many homeowners panic when they see leaves drooping at 3:00 p.m.

In many cases, this is completely normal.

Plants temporarily lose water faster than roots can replace it during the hottest part of the day.

If the plant looks healthy again by evening or early morning, it's simply responding to heat—not dying.

Only worry if leaves remain wilted overnight or begin turning brown and crispy.

5. Skip Heavy Fertilizing During Extreme Heat

Freshly planted trees and shrubs don't need large amounts of fertilizer during the hottest months.

Too much fertilizer encourages tender new growth that is more susceptible to heat stress.

Instead:

  • Focus on watering.

  • Apply mulch.

  • Allow roots to establish.

Most newly planted landscape plants won't need significant fertilization until the following growing season unless the product specifically recommends otherwise.

6. Protect Plants During Heat Waves

When temperatures remain above 95°F for several days:

  • Water early in the morning.

  • Avoid watering during the hottest afternoon hours.

  • Check soil moisture daily.

  • Increase watering only if the root ball is actually drying out.

Morning watering allows plants to absorb moisture before the day's heat arrives.

7. Don't Prune Unless Necessary

Many homeowners want to "shape up" new shrubs immediately after planting.

Resist the urge.

Leaves produce energy that helps establish roots.

Only remove:

  • Broken branches

  • Dead wood

  • Diseased growth

Wait until the proper pruning season for major shaping.

8. Watch for Signs of Stress

Early detection prevents serious problems.

Signs of Underwatering

  • Crispy brown leaf edges

  • Leaves dropping prematurely

  • Dry soil several inches below the surface

  • Persistent wilting

Signs of Overwatering

  • Yellow leaves

  • Soft stems

  • Constantly wet soil

  • Mushy roots or foul odor

Both conditions can cause similar symptoms, which is why checking soil moisture is more reliable than guessing.

Frequently Asked Questions

How often should I water a newly planted tree in summer?

Most new trees need deep watering every one to three days during the first two weeks, then two to three times per week as roots establish. Always adjust for rainfall and soil conditions.

Is afternoon wilting normal?

Yes. Many trees and shrubs temporarily wilt during extreme afternoon heat. If they recover by evening, they are usually not in danger.

Can I plant trees and shrubs during summer?

Yes. Container-grown trees and shrubs can be planted throughout summer when watered properly. Consistent moisture during establishment is the key to success.

Should I fertilize newly planted shrubs?

Usually not. Focus on watering and root establishment first. Heavy fertilization can create unnecessary stress during hot weather.

Protect Your Landscape Investment

Every new tree or shrub represents an investment in your home's beauty, value, and curb appeal. A few minutes spent checking soil moisture, watering deeply, and maintaining mulch can make the difference between a thriving landscape and replacing plants next season.

At BringMeATree.com, we carefully select healthy, high-quality trees and shrubs that are ready to thrive in landscapes across much of the United States. Every order is backed by our Arrive Alive Guarantee, so you can shop with confidence.

Whether you're planting a single flowering shrub or creating an entire landscape, we're here to help you succeed—from delivery day through establishment and beyond.

Browse our collection of premium trees and shrubs, and let us help you grow a landscape you'll enjoy for years to come.