How to Plant Trees & Shrubs Correctly

Victory Nursery · Planting Guide

Plant It Right the First Time

A simple planting guide for trees and shrubs in Bay Area and Northern California gardens.

Most planting failures are not caused by complicated problems. They usually begin with a tree planted too deep, a root ball that never gets properly watered, poor drainage or mulch piled against the trunk.

The Essentials

Five Things That Matter Most

01 Root flare at or slightly above grade.
02 Hole wider than the root ball.
03 Do not bury the trunk.
04 Water deeply into the root ball.
05 Mulch around it — not against it.
Before You Dig

Make Sure the Plant Fits the Site

Planting starts before the shovel goes into the ground. Check where the plant will be five or ten years from now, not only where it fits today.

Light

Match the plant to the amount of sun or shade the location actually receives.

Mature Size

Check expected height and width before choosing spacing from buildings, fences, walkways or other plants.

Drainage

Avoid locations where water regularly sits around the root zone.

Utilities

Check for irrigation, underground utilities and overhead lines before digging.

Access

For larger plants, make sure the tree can actually reach the planting location.

Water

Know how the new root ball will be watered after planting.

Planting Day

Plant a Tree or Shrub in 6 Steps

1

Find the Root Flare

Find where the trunk begins to widen into the main roots. Do not assume the top of the nursery soil is the correct planting depth.

2

Dig Wide, Not Deep

Make the planting hole wider than the root ball. Keep the depth shallow enough that the root flare finishes at or slightly above surrounding grade.

3

Remove the Container

Support the root ball. Do not lift a tree by the trunk. Inspect the outside roots and gently correct obvious circling roots when appropriate.

4

Position Before Backfilling

Step back and check the tree from several directions. This is the time to adjust trunk position, branch orientation and the best-looking side.

5

Backfill & Water

Use the existing site soil as the primary backfill in ordinary conditions. Settle it gently and water slowly enough to reach the original root ball.

6

Mulch & Finish

Add mulch over the root zone, but leave the trunk and root flare exposed. Stake only when the plant actually needs support.

Planting Hole

Wider Is More Important Than Deeper

New roots need to move outward into the surrounding soil. A wide planting area helps that happen. A hole that is too deep can allow the root ball to settle below grade.

Width
2–3×

Wider Than the Root Ball

Treat this as a general planning reference, then adjust for the actual root ball and site.

Depth
Root Flare

Controls the Final Depth

The upper root area should finish at or slightly above the surrounding soil level.

Bay Area Soil

Do Not Automatically Replace the Soil

Many local properties have heavier or clay-based soil. That does not automatically mean the entire planting hole should be filled with a completely different mix.

Use the Site Soil as the Starting Point

For ordinary landscape planting, the soil removed from the hole can usually form the main backfill.

If the existing soil is severely compacted, damaged or has unusual drainage problems, additional preparation may be appropriate.

After Planting

Water the Root Ball, Not Just the Surface

Until new roots expand into surrounding soil, the plant still depends heavily on the original nursery root ball.

Water slowly and deeply enough to reach that root zone. Check moisture rather than relying only on a fixed calendar.

Water Deeply

Make sure water reaches the original root ball as well as the surrounding soil.

Check Moisture

Weather, soil, plant size and drainage all change how quickly the root zone dries.

Mulch Correctly

Spread mulch over the root zone but keep it away from the trunk.

Large & Mature Trees

Bigger Trees Need a Logistics Plan

At 24" box and above, planting is no longer only about digging the correct hole. Weight, access and movement become part of the project.

Before Ordering, Check

Gate width · truck access · overhead clearance · slopes · stairs · distance from unloading point · equipment access · planting-hole preparation.

Large trees may require carts, mechanical equipment or crane assistance depending on the site.

Common Mistakes

Small Errors Create Big Problems

Planting too deep

Root flare ends up below finished grade.

Better

Keep the root flare at or slightly above grade.

Deep, narrow hole

The root ball may settle and roots have less prepared soil around them.

Better

Dig wider and relatively shallow.

Mulch against the trunk

Bark stays buried beneath a mound of mulch.

Better

Keep the trunk and root flare clear.

Surface-only watering

The surrounding soil looks wet while the root ball stays dry.

Better

Water slowly enough to reach the original roots.

Overwatering

Root zone remains constantly saturated.

Better

Check actual soil moisture and drainage first.

Leaving stakes forever

Ties can begin restricting the trunk as it grows.

Better

Inspect regularly and remove support when no longer needed.

Establishment

Planting Day Is Only the Beginning

The first weeks and months are about helping the original root ball connect with the surrounding soil.

Watch Moisture

Check more often during hot, dry or windy weather.

Watch New Growth

New leaves and shoots can indicate that the plant is beginning to establish.

Watch the Stakes

Make sure ties are not rubbing or tightening around the trunk.

Continue Planning

Planting Is One Part of the Project

Use the rest of the Victory Nursery guides to plan spacing, size, watering and ongoing care.

FAQ

Planting Questions

How deep should I plant a tree?

Use the actual root flare as the depth reference. The root flare should finish at or slightly above the surrounding soil level.

How wide should the planting hole be?

A common planning reference is approximately two to three times the width of the root ball. The actual site and root ball should determine the final hole.

Should I add planting mix to the hole?

Not automatically. For ordinary landscape planting, the existing site soil can usually form the main backfill. Soil changes should respond to actual site conditions.

Should every new tree be staked?

No. Stake only when the root ball or trunk cannot remain stable on its own or when site conditions make temporary support necessary.

Should I fertilize immediately after planting?

Do not assume more fertilizer will help the tree establish faster. Establishing roots is the first priority. Fertilizer should be used only when appropriate for the plant, soil and season.

Can Victory Nursery help plant large trees?

Planting help is available for qualifying projects and locations. Larger trees may also require additional delivery, access or equipment planning.

Victory Nursery

Too Large to Plant Comfortably Yourself?

For larger trees or difficult sites, send us the plant size, quantity, ZIP code and a few photos of the access route. We can help determine the practical next step.

View Planting Help →
Shrubs
Assorted evergreen and flowering shrubs forming a layered, year-round foundation planting in a Bay Area garden

Shrubs

Trees
Trees for shade, structure

Trees