Miyawaki Forest Method: A Practical Guide for India

Imagine a bare corner of a school ground, a rubble-strewn plot behind a factory, or an unused strip in a housing society. Now imagine the same patch a few years later: a dense, layered thicket of native trees and shrubs, alive with birds, noticeably cooler than the concrete around it.

That's the promise of the Miyawaki forest method, and it's why the technique has become so popular in Indian cities. It's also widely misunderstood. This guide explains what the method actually is, how a Miyawaki forest is planted step by step, what it can and can't do, and how to plan one well in Indian conditions.

Key Takeaways

The Miyawaki method was developed by the Japanese plant ecologist Dr Akira Miyawaki. It creates dense, multi-layered forests using species native to the site.
Planting is dense, typically around 3 to 5 saplings per square metre, with species from different forest layers mixed together.
Soil preparation and mulching are essential. The forest needs watering and weeding for roughly the first two to three years, after which it becomes largely self-sustaining.
Native species are non-negotiable. A dense planting of exotic ornamentals isn't a Miyawaki forest.
It complements natural forests; it doesn't replace them. It's best for small urban and degraded sites.

What Is the Miyawaki Forest Method?

Dr Akira Miyawaki was a Japanese botanist and plant ecologist who spent decades studying native vegetation and creating forests in Japan and around the world. His central idea was "potential natural vegetation": the plant community that would naturally grow on a site if people stopped disturbing it.

Instead of planting rows of a single species, the Miyawaki approach recreates that natural community in miniature by:

Surveying the native vegetation of the area, for example old groves near temples and village shrines
Choosing many native species across all layers of a forest
Preparing the soil so young roots can grow quickly
Planting densely and randomly, so species compete for light and grow upwards fast
Mulching heavily to mimic the leaf litter of a forest floor

In India, the method was popularised by Afforestt, founded in 2011 by Shubhendu Sharma. He learned it while volunteering with Dr Miyawaki's team on a forest at the Toyota factory in Bengaluru, where he worked as an engineer.

Why Miyawaki Forests Suit Indian Cities

Indian cities are short of land and long on heat, dust and concrete. Miyawaki-style micro-forests appeal because they:

Fit into small spaces. Even a few hundred square feet can host a dense native patch.
Grow quickly because of competition and good soil preparation.
Are multi-layered, offering far more leaf surface and habitat than a lawn with a few ornamental trees.
Need little care once established, after the first two to three years.
Bring nature close to people, in schools, hospitals, offices and housing societies.

For the bigger picture on cities and heat, see our earlier post on urban micro-forests against pollution and heat islands.

How to Plant a Miyawaki Forest: Step by Step

Step 1: Survey the site

Study the soil: is it compacted, rocky, sandy or full of debris? Check sunlight, drainage and water access. Note what grows naturally in the area.

Step 2: Choose native species across four layers

A Miyawaki forest mixes species from different layers:

Canopy: the tallest trees
Tree layer: medium-height trees
Sub-tree layer: small trees
Shrub layer: woody shrubs closest to the ground

Aim for many species, often dozens, rather than a handful. In Maharashtra, possible natives include neem, karanj, jamun, arjun, jarul, bahava, palas, bel, amla, kanchan and bakul, along with native shrubs. The exact mix must come from local survey and nursery advice. See the best trees to plant in Maharashtra for a starting list.

Step 3: Prepare the soil

This is where the method differs most from ordinary planting. The soil is dug and loosened deeply and enriched with organic materials, such as compost and other locally available biomass, so roots can grow fast. Debris and plastic are removed.

Step 4: Plant densely and randomly

Saplings are planted close together, typically 3 to 5 per square metre. Species from the same layer shouldn't sit next to each other. Randomness mimics a natural forest and avoids bare gaps.

Step 5: Mulch heavily

Cover the whole planted area with a thick layer of mulch, such as straw or dry leaves. Mulch holds water, keeps soil cool, prevents weeds and feeds soil life as it breaks down.

Step 6: Water and weed for the first two to three years

Young Miyawaki forests need regular watering and weeding until the canopy closes. After that, the forest is expected to be largely self-sustaining.

Step 7: Leave it alone

Once established, a Miyawaki forest should be left to grow naturally. Don't prune, rake the leaf litter or "tidy" it. That leaf litter is the forest's own fertiliser.

What a Miyawaki Forest Can and Can't Do

Honesty matters here, because the method is sometimes oversold.

What it does well

Creates dense native green cover on small, degraded urban plots
Brings biodiversity back into cities, including birds, insects and soil life
Provides local cooling and shade near where people live and work
Engages communities, since planting a micro-forest is a powerful group activity

What it doesn't do

It doesn't replace natural forests. Protecting existing forests remains far more important.
It isn't zero-maintenance at the start. It needs water and weeding for the first couple of years.
It isn't cheap per square metre. Soil preparation and dense planting cost more than sparse planting.
It isn't a Miyawaki forest if the species aren't native. Dense exotic planting misses the point.

Planning a Miyawaki Forest in India: Practical Tips

Minimum size: even small plots work, but a few hundred square feet or more lets the forest develop layers.
Water access: make sure you can water through the first two to three dry seasons.
Fencing: protect against grazing and trampling, especially in the first years.
Signage and ownership: a named "forest team" from the society, school or company keeps care going.
Timing: plant during the monsoon where possible, to reduce early watering needs. See the best trees to plant in monsoon.
Records: photograph the site before, during and after planting, and track progress over time.

Who Should Consider a Miyawaki Forest?

A Miyawaki micro-forest is a particularly good fit for:

Schools and colleges that want a living outdoor classroom
Housing societies with an unused corner or boundary strip
Hospitals and offices that want green, calming spaces for patients and staff
Factories and industrial parks with degraded, unused land
Municipal open spaces where the community is ready to protect the site

If you can't guarantee water and protection for the first two to three years, start smaller rather than larger.

How Earthxway Builds Urban Micro-Forests

Earthxway's urban forestry work includes:

Mini Miyawaki micro-forests of 500–1,000 sq. ft., suited to school grounds, park corners, hospital campuses and industrial plots
Carbon-sink micro-forests of 200–1,000 sq. m inside industrial zones
Living Earth Walls, vertical green walls for spaces with no ground to spare

Our micro-forest installations can include a solar-powered smart sensor bench that shows real-time air quality and temperature on site, so the community can see what the forest is doing. As with all our projects, species and design are finalised after a joint site survey, and saplings are geo-tagged at planting.

We'll add site details, locations and dates here as our micro-forest projects are completed.

Companies can sponsor a micro-forest, and those planning it under CSR should first check implementing-agency eligibility. See our CSR tree plantation project checklist for India.

Measuring Whether Your Micro-Forest Is Working

Keep simple records from day one: a species list, a planting map, and photos from the same spots every few months. Note survival, height and the birds and insects you start to see. Over two or three years, these records show whether the forest is closing its canopy and becoming self-sustaining, and they make it far easier to share honest results with your community or sponsor.

Frequently Asked Questions

What is the Miyawaki method of plantation?

It's a forest-creation method developed by Japanese ecologist Dr Akira Miyawaki. Many native species from different forest layers are planted densely, usually around 3–5 saplings per square metre, in well-prepared soil, then mulched and cared for until the forest becomes self-sustaining.

How much space do you need for a Miyawaki forest?

Small spaces can work. Earthxway's mini micro-forests are designed for 500–1,000 sq. ft., suitable for school grounds, park corners and campuses.

How long does a Miyawaki forest need maintenance?

Generally about the first two to three years of watering and weeding, until the canopy closes. After that, it should be left to grow naturally.

Can I use any trees for a Miyawaki forest?

No. The method depends on native species suited to the site. Dense planting of exotic or ornamental species isn't a true Miyawaki forest.

Are Miyawaki forests better than natural forests?

No. They're a useful tool for greening small, degraded urban sites, but protecting and restoring natural forests remains far more important.

Can companies sponsor a Miyawaki forest?

Yes. Earthxway works with corporate partners on urban micro-forests, including carbon-sink micro-forests in industrial areas.

Grow a Forest Where Concrete Was

The Miyawaki forest method shows how much life a small, well-planned patch of native forest can hold. Done properly, with native species, real soil preparation and a few years of care, it turns forgotten corners into living green spaces.

Interested in building one at your campus? Talk to us about a corporate micro-forest, or volunteer at a plantation drive.

Miyawaki Forest Method: A Practical Guide for Indian Cities