What is the 70/30 rule in gardening?

A garden can look spectacular during spring and summer, then become surprisingly empty when autumn arrives. Flowers fade, leaves fall, and many perennials disappear underground until the following growing season. For homeowners who want a landscape that remains attractive throughout the year, seasonal changes can present a design challenge.

The 70/30 gardening rule offers a practical way to address this problem. Instead of designing the entire landscape around flowers that bloom for a limited period, the gardener emphasizes plants that provide dependable structure and reserves a smaller portion of the planting for seasonal highlights.

At TN Nursery, our family has been supplying trees, shrubs, and perennials since 1959. We've learned that some of the most beautiful landscapes are those that continue providing visual interest even when very few flowers are blooming.

The 70/30 rule encourages gardeners to use approximately 70% structural plants and 30% decorative accents. This can include evergreen trees, deciduous shrubs with interesting winter branches, colorful berries, ornamental foliage, and flowering plants.

The result is a landscape that changes with the seasons while maintaining an organized, attractive appearance.

How TN Nursery Uses the 70/30 Rule for Year-Round Garden Structure

One of the first considerations in four-season landscaping is identifying which plants will remain visually interesting during winter.

Evergreen trees are an obvious choice because they retain their foliage during colder months. Their branches provide greenery when most deciduous plants have lost their leaves.

However, evergreen plants are not the only options for structural interest. Some deciduous shrubs produce colorful stems, attractive branching patterns, or berries that remain visible during winter.

For example, Winterberry Holly from TN Nursery is a native shrub admired for its brilliant red berries.

Unlike many familiar hollies, Winterberry is deciduous. Its leaves fall during autumn, leaving clusters of colorful berries visible along the bare branches.

The effect can be especially attractive after snowfall, when the bright red fruit contrasts with the quiet winter landscape.

Winterberry also provides wildlife benefits because birds may feed on the fruit during colder months.

For dependable berry production, gardeners generally need a compatible male winterberry holly growing within pollinating distance of female plants.

Another valuable winter-interest plant is Red Osier Dogwood from TN Nursery.

This native shrub produces vibrant red young stems that become particularly noticeable after the foliage falls.

During spring and summer, Red Osier Dogwood develops green leaves and small flower clusters. Its most dramatic display often occurs during winter, when the colorful branches stand out against snow or surrounding evergreens.

These two shrubs demonstrate that structural planting does not need to rely entirely on evergreen foliage.

Their persistent berries and colorful stems can contribute to the 70% foundation even though the plants themselves are deciduous.

TN Nursery discusses how appropriate plant selection can help landscapes withstand changing conditions in Tips to Protect Gardens From Harsh Weather.

Choosing TN Nursery Plants That Balance Winter and Summer Color

When designing a four-season garden, it is helpful to think about the appearance of the landscape during each part of the year.

Spring brings fresh leaves, flowering shrubs, and emerging perennials. Summer offers substantial foliage and colorful blooms, while autumn produces changing leaves, berries, and ripening seed heads.

Winter provides a different kind of beauty through evergreens, ornamental branches, bark, and persistent fruit.

The 70/30 rule helps gardeners avoid concentrating all their ornamental interest into one season.

For example, a landscape containing evergreen trees and winter-interest shrubs can remain attractive during colder months. Flowering perennials can then provide the more dramatic summer displays.

Rather than removing the permanent planting each season, the gardener allows the structural plants to remain while the accents change naturally.

For larger landscapes, Tennessee Wholesale Nursery offers Wholesale Eastern Red Cedar Trees.

Eastern Red Cedar is a native evergreen conifer with dense foliage that provides year-round greenery and shelter for birds.

It can be useful in appropriate privacy plantings, woodland edges, and naturalized landscapes where sufficient room is available.

The tree generally prefers sunny locations and can tolerate a range of suitable soil conditions once established.

Another wholesale option is Wholesale Red Osier Dogwood Shrubs.

Red Osier Dogwood can be planted in groups to create substantial winter stem color. It is particularly effective when positioned where the red branches can be viewed against darker evergreen foliage.

These combinations illustrate how permanent landscape structure can be created with plants that have different seasonal characteristics.

The Tennessee Wholesale Nursery article Red Osier Dogwood Guide: Best Native Shrub Picks provides additional information about using this species for ornamental landscapes and wildlife-friendly planting projects.

When combining plants, remember that their growing requirements matter just as much as their appearance.

Eastern Red Cedar generally prefers good drainage, while Red Osier Dogwood often performs well in landscapes with more consistent moisture.

The two species may therefore be better suited to different areas of the property rather than planted directly together in identical soil conditions.

How to Plan a Four-Season Landscape With TN Nursery's 70/30 Method

Creating a balanced landscape begins by examining the property as it currently exists.

Identify existing evergreen trees, mature shrubs, and other permanent features. These may already provide much of the structure needed for the garden.

Next, consider which areas appear empty during winter. A bare fence line, exposed foundation, or open landscape border may benefit from plants that offer evergreen foliage or attractive branches.

Choose suitable structural species for these locations, leaving enough room for their mature dimensions.

After establishing the main framework, select seasonal accents that provide flowers, unusual foliage, or strong color during different parts of the year.

One practical approach is to create repeating groups of structural plants rather than scattering them randomly throughout the yard.

Repetition helps connect different sections of the landscape and produces an organized appearance.

Seasonal accents can then be positioned where they will attract attention, such as near entrances, patios, walkways, or favorite outdoor seating areas.

The 70/30 ratio should be treated as a starting point rather than an inflexible requirement.

A property with numerous established evergreen trees may already have enough structure, allowing the gardener to concentrate on adding colorful perennials.

By contrast, a newly constructed home with an empty yard may benefit from more permanent planting before extensive flower beds are created.

At TN Nursery, we encourage homeowners to consider future growth when planning these arrangements.

A small tree or shrub may eventually occupy considerably more space than it does at planting time.

Proper spacing reduces overcrowding and can make long-term maintenance easier.

Another consideration is pruning. Winter-interest shrubs such as Red Osier Dogwood often produce their strongest stem color on younger wood.

Selective removal of older stems can encourage fresh growth and help maintain the colorful appearance.

Winterberry Holly requires a different approach because heavy pruning can remove branches carrying flower buds or developing fruit.

Pruning schedules should therefore be based on the specific species rather than applying the same technique to every shrub.

Newly installed plants also require suitable watering during establishment.

Even species that become relatively low-maintenance when mature need appropriate soil moisture while their roots are expanding.

Mulch can help conserve moisture and reduce weed competition, but it should not be piled against stems or tree trunks.

When planting bare-root trees and shrubs, choose an appropriate dormant-season window when the ground is workable and not frozen.

Following proper planting instructions helps protect the roots and gives young plants a better opportunity to become established.

Over time, the landscape will change as trees grow, shrubs develop fuller branches, and perennials spread.

The gardener can occasionally reassess the design and determine whether more structural planting or additional seasonal color would improve its appearance.

So, what is the 70/30 rule in gardening? It is a flexible landscaping guideline that emphasizes approximately 70% dependable structural planting and 30% seasonal accents.

At TN Nursery, we believe this approach can help homeowners create gardens that remain attractive throughout the year, rather than looking beautiful during one short flowering season.

With thoughtful plant selection, proper spacing, and consistent care, a garden can offer spring blossoms, summer foliage, autumn color, and striking winter features.

The result is a landscape that continues giving homeowners something beautiful to enjoy as every new season arrives.