Have you ever admired a garden where every plant seems to work effortlessly together? The colours complement one another, the planting flows naturally, and the whole space feels beautifully balanced.
The secret lies in creating a cohesive planting scheme. Rather than simply choosing plants you love individually, it's about considering how they work together to create a harmonious design.
Here are some of the key principles I use at Rutland Garden Design.
1. Choose a Considered Colour Palette
One of the simplest ways to create cohesion is to limit your colour palette. Too many competing colours can make a border feel busy, whereas a carefully selected combination creates a more balanced appearance.
Consider the atmosphere you want to create:
Soft and romantic: Blush pinks, whites and gentle purples.
Contemporary and elegant: Whites, deep purples and fresh greens.
Warm and naturalistic: Terracotta, burnt orange, soft yellows and ornamental grasses.
Cool and calming: Blues, lavender, pale pinks and silvery foliage.
A useful guide is the 60–30–10 principle: 60% dominant colour, 30% secondary colour and 10% accent colour. This isn't a strict formula, but it can help create balance.
2. Repeat Plants to Create Rhythm
Repetition is one of the most effective techniques in professional planting design.
Rather than planting one of everything, repeat selected varieties throughout your borders. This creates rhythm, draws the eye through the garden and connects different planting areas.
For a small to medium-sized border, consider choosing 5–7 key plant varieties, supported by structural shrubs or grasses.
Repeating these plants in groups will often create a stronger visual impact than introducing lots of different varieties.
3. Plant in Groups for Greater Impact
The number of plants you group together can make a significant difference to the finished appearance.
As a general guide:
Groups of 3: Effective for compact shrubs and smaller planting areas.
Groups of 5–7: Ideal for creating noticeable clusters of perennials and grasses.
Groups of 9 or more: Perfect for generous drifts in larger, naturalistic borders.
These aren't strict rules. Always consider the mature size of each plant and the space available.
The aim is to create flowing groups rather than a scattered collection of individual plants.
4. Combine Contrasting Textures and Forms
Colour isn't the only consideration. Contrasting foliage and flower shapes add depth and interest to a planting scheme.
For example, the upright flower spikes of Salvia work beautifully alongside the rounded flower heads of Echinacea, while the fine foliage of Stipa tenuissima introduces softness and movement.
Combining bold, architectural plants with lighter, airy varieties creates contrast without needing to introduce additional colours.
5. Consider Height, Structure and Seasonal Interest
A successful border should have layers of planting that create depth.
Use taller shrubs, grasses and perennials to provide structure, with lower-growing plants to soften edges and fill gaps.
Rather than arranging everything in rigid rows, allow plants of different heights to overlap naturally. Tall, airy varieties such as Verbena bonariensis can even be positioned towards the front without obstructing the view.
Remember to consider how the planting will look throughout the year. Evergreen shrubs, ornamental grasses, spring bulbs and late-flowering perennials can help maintain interest as the seasons change.
6. Sometimes Less Is More
Perhaps the most important principle is knowing when to stop adding plants.
It's tempting to include every variety that catches your eye, but a smaller selection, repeated confidently, often creates a much more sophisticated result.
By carefully balancing colour, texture, form and repetition, you can create a planting scheme that feels natural, considered and beautifully connected.
Bringing Your Planting Scheme Together
A cohesive garden isn't necessarily about having the greatest variety of plants. It's about choosing the right plants and arranging them thoughtfully.
At Rutland Garden Design, I create bespoke planting plans that consider colour, texture, seasonal interest and the individual conditions of each garden.
Whether you're refreshing an existing border or planning a complete garden transformation, a carefully designed planting scheme can make all the difference.
If you'd like help creating a beautiful, cohesive planting scheme, I'd love to hear from you.