The Aspen Grove

Food Forest

Note Planted:
updated : 2026-05-13T15:09:40.609-07:00
3 min read

The Big Idea

I am really digging the idea of a food forest especially the idea of a plant guild or basically a group of plants that all work together as a small ecosystem.

Related Notes: Wild Edible Garden Design Pattern A Tea Garden Plants Around Church Plant Guilds and Guild Matrix

Definition

A food forest (also called a forest garden or edible woodland garden) is a designed, multi-layered perennial polyculture that mimics the architecture and ecological processes of a natural woodland ecosystem while producing food, medicine, fiber, and other yields for human use.1 The concept was systematized by Robert Hart in the 1980s2 and further developed by Jacke & Toensmeier 3 and Crawford.4

The Seven (+ One) Vertical Layers

Hart adapted the concept of forest stratification5 into a design framework comprising seven functional layers, to which a mycelial layer is now commonly added:

LayerHeight / NicheExample Species
Canopy6–18 m — large fruit & nut treesWalnut, Sweet chestnut, Mulberry, Apple (standard)
Sub-canopy3–6 m — smaller fruit treesPear, Plum, Elder, Fig, Hawthorn
Shrub1–3 m — fruiting shrubsCurrants, Gooseberry, Hazel, Goumi
Herbaceous0–1 m — perennial herbsComfrey, Fennel, Sorrel, Mint, Chicory
Ground Cover0–0.2 m — low creeping plantsStrawberry, Creeping thyme, Clover, Violets
RhizosphereBelow ground — root cropsOca, Skirret, Jerusalem artichoke, Horseradish
Vertical / ClimberClimbing & scramblingHardy kiwi, Grape, Hops, Nasturtium
MycelialSubstrate level — fungiWine cap (Stropharia), Oyster mushroom, Truffle

Key Ecological Principles

  • Closed Nutrient Cycles: Leaf litter, chop-and-drop mulching, and nitrogen-fixing species return nutrients to the soil, reducing or eliminating external fertility inputs.34
  • Successional Management: Food forests are dynamic systems that pass through early, mid, and late successional stages. Design must account for changing light, competition, and species turnover over time.3
  • Biodiversity & Resilience: High species diversity buffers against pest outbreaks and climate variability—a principle supported by island biogeography and ecological stability theory.6
  • Minimal Disturbance: Perennial root systems build soil organic matter and mycorrhizal networks. Unlike annual agriculture, food forests avoid tillage, preserving soil structure and microbial communities.7
  • Edge Effects: Maximising ecotones—boundaries between different micro-habitats—increases niche diversity and productivity per unit area, per Odum’s edge effect principle.6

Food Forest vs. Conventional Agroforestry

While both are forms of agroforestry, food forests differ from conventional alley-cropping systems in their intentional complexity and polyculture design philosophy. Conventional agroforestry often optimizes for one or two yields with simplified species assemblages, whereas food forests priorities system-level resilience, stacked yields across all layers, and self-regulating ecological processes that reduce management intensity over time.3,5

Resources

Note

Need to verify citations.

Footnotes

  1. Kumar, B. M., & Nair, P. K. R. (2006). Tropical Homegardens: A Time-Tested Example of Sustainable Agroforestry. Springer. ↩

  2. Hart, R. A. de J. (1996). Forest Gardening: Rediscovering Nature and Community in a Post-Industrial Age. Green Books. ↩

  3. Jacke, D., & Toensmeier, E. (2005). Edible Forest Gardens, Vol. 1 & 2. Chelsea Green Publishing. ↩ ↩2 ↩3 ↩4

  4. Crawford, M. (2010). Creating a Forest Garden: Working with Nature to Grow Edible Crops. Green Books. ↩ ↩2

  5. Odum, E. P. (1971). Fundamentals of Ecology (3rd ed.). W. B. Saunders. ↩ ↩2

  6. Tilman, D., et al. (2001). Diversity and productivity in a long-term grassland experiment. Science, 294(5543), 843–845. ↩ ↩2

  7. Chapin, F. S., et al. (2002). Principles of Terrestrial Ecosystem Ecology. Springer. ↩

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