GrowPerma Blog

Food Forest Succession: What Happens Year by Year

Written by Peter Vogel | Jun 22, 2026 5:28:03 AM

You planted a food forest last spring. The fruit trees look like sticks. The pioneer shrubs are racing ahead of everything else. You want to know what should be happening in year 1, year 5, year 15, and whether you are on track or behind. Here is a realistic year by year map of food forest succession in US zones 4 to 8, with the species, the yields, and the maintenance hours each stage actually takes.

This article maps succession against the ecological framework first codified by Frederic Clements (1916) and refined by F.E. Egler's "initial floristic composition" hypothesis (1954), and then translates that into what you actually do each year on a quarter-acre to ten-acre US food forest. The two practitioner anchors are Robert Hart's seven-layer model from his book Forest Gardening (Green Books, 1996) and Mark Shepard's restoration agriculture work at New Forest Farm in Wisconsin (founded 1995, USDA zone 4).

What you will get here: a 20+ year timeline broken into five stages, species lists for each stage, yield expectations, the failure modes that appear at each year mark, maintenance hours per acre, and the design moves that compress natural succession from 100+ years down to 20.

Year 2 to 3First soft fruit (raspberries, currants)
Year 4 to 5First dwarf fruit tree crop
Year 10 to 15First nut crop (hazelnut)
Year 20+Canopy closure / climax stage

Sources: Hart, Forest Gardening (Green Books, 1996); Shepard, Restoration Agriculture (Acres USA, 2013); USDA NRCS Conservation Agroforestry program.

Big picture: Natural forest succession on bare ground takes 100+ years to reach climax. A designed food forest compresses this to roughly 20 years by planting species from multiple succession stages at once. You sacrifice elegance for time. You also accept that the first 3 to 5 years will look messy as pioneer species sprint ahead of the climax trees. That is normal. That is the design working.

The science underneath: two succession theories

Ecological succession was first formalized by Frederic Clements in his 1916 monograph Plant Succession, where he framed it as a directional, deterministic march toward a stable climax community shaped by climate. Modern ecology has heavily revised the rigid Clementsian view, but the basic stage sequence (pioneer to early to mid to late to climax) remains a workable scaffold for food forest design.

The more practically useful revision came from F.E. Egler in 1954. His "initial floristic composition" hypothesis (Vegetatio, 1954) showed that the species present in the first year largely determine the entire successional trajectory. This is why food forest designers plant climax species (hazelnut, chestnut, walnut) on day one alongside the pioneers, instead of waiting for natural succession to bring them in 80 years later.

Robert Hart adapted these ideas to temperate food production in his Shropshire, UK garden in the 1970s, eventually publishing the canonical Forest Gardening (Green Books, 1996). Ernst Gotsch took it further in the tropics, developing the syntropic agroforestry framework starting 1984 at Olhos d'Agua, Brazil, which uses high density polyculture and aggressive chop and drop pruning to accelerate succession by 3 to 5x. See Agenda Gotsch for documentation of his sites.

The 5 stages of designed food forest succession

1

Year 1 to 2: Pioneer stage

You plant everything at once but only the pioneers look like they are doing anything. Nitrogen fixers (black locust, autumn olive, sea berry, false indigo bush, Siberian pea shrub) establish first. Comfrey Bocking 14 plugs go in around every fruit tree. Annual cover crop fills the gaps (buckwheat, crimson clover, daikon radish). Your fruit and nut trees look like sticks. They are not. They are putting down 6 to 12 ft (1.8 to 3.7 m) of root growth that you cannot see. Mulch heavily (4 to 6 inches / 10 to 15 cm of wood chips). No harvest from perennials this year except chop and drop biomass.

2

Year 3 to 5: Early succession

Pioneers are now 6 to 12 ft (1.8 to 3.7 m) tall and fixing significant nitrogen. First serious chop and drop pulse around month 18 (cut 30 to 50 percent of pioneer biomass, leave on soil). Soft fruit comes in: red raspberries year 2, currants and gooseberries year 3, strawberries continuously. Dwarf apples and plums begin first small crops year 4 to 5. Comfrey is now massive and gets cut 4 to 6 times per year. Soil organic matter typically jumps from 2 to 3 percent at planting to 4 to 6 percent by year 5 (see Rodale Institute long term soil carbon work).

3

Year 6 to 10: Mid succession

Canopy starts closing. Standard apples, pears, mulberries, and pawpaws enter production. You begin removing the most aggressive pioneers (autumn olive can become weedy in some US states, check your state ag extension before planting). Black locust gets coppiced or removed as the fruit trees outgrow them. First small hazelnut crops (year 7 to 8 from hybrid bush hazels via Badgersett or Z's Nutty Ridge nurseries). Maintenance hours drop because the system is more self regulating, but you start the long term work of selective replacement.

4

Year 10 to 20: Late succession

Hazelnuts in full production (3 to 5 lb / 1.4 to 2.3 kg per bush per year for hybrid bush hazels). Chestnuts and walnuts begin bearing year 8 to 12 depending on variety. Canopy is approaching closure. Understory becomes more shade tolerant: ramps, ginseng, mushroom logs, hosta, asparagus. Pioneers are mostly gone or coppiced for biomass. The food forest visibly looks like a forest. Persimmon persimmon in a US food forests (American or Asian) start producing year 6 to 8 and hit stride by year 10 to 12.

5

Year 20+: Climax stage

Canopy closed. Production stabilizes. You enter a maintenance and replacement cycle: prune for light penetration, replace failing trees, coppice old nitrogen fixers if any remain, manage for the next 50 to 100 years of productivity. Mark Shepard's New Forest Farm (planted starting 1995) hit this stage around year 25 and now serves as the reference site for what a temperate US restoration agriculture system looks like at maturity. See New Forest Farm for documented yield data and replacement strategies.

Why this compression works

Natural forests reach climax in 100 to 300 years because each stage has to wait for the previous one to provide enabling conditions: soil microbiology, nitrogen levels, wind protection, partial shade. In a designed food forest, you skip the waiting room. You plant climax species (hazelnut, chestnut, oak) and pioneer species (locust, autumn olive, comfrey) in the same week. The pioneers do the soil and shelter work for the first 5 to 10 years, then step aside. This is Egler's 1954 insight in practice: the species present in year 1 set the entire trajectory.

Year by year species and yields

YearStageWhat enters productionMaintenance hrs/acre
Year 1PioneerAnnuals only (squash, beans, kale between trees)200 to 400
Year 2 to 3Pioneer / EarlyRaspberries, strawberries, comfrey biomass150 to 300
Year 4 to 5EarlyCurrants, gooseberries, dwarf apple/plum/cherry100 to 200
Year 6 to 10MidStandard apples, pears, mulberries, pawpaws, first hazelnuts80 to 150
Year 10 to 20LateHazelnut full production, chestnuts, walnuts, persimmon50 to 100
Year 20+ClimaxAll layers stabilized, replacement planting begins40 to 80

Sources: composite from Hart 1996; Shepard 2013; USDA NRCS Agroforestry program documentation; Badgersett Research Farm hybrid hazel yield reports.

The pioneer species lineup for US zones 4 to 8

The five workhorses for cold half of the US:

Black locust (Robinia pseudoacacia): Native to the eastern US, zone 4 to 9. Fixes 100 to 200 lb / 45 to 91 kg of nitrogen per acre per year. Coppices vigorously. Rot resistant timber. Chop every 3 to 5 years for biomass. The single most useful pioneer in the US food forest toolkit.

Autumn olive (Elaeagnus umbellata): Powerful nitrogen fixer and bears edible berries. WARNING: invasive in many US states (banned for sale in several including Pennsylvania, Massachusetts, West Virginia). Check the USDA Plants database for your state before planting. Sea berry (Hippophae rhamnoides) is a non-invasive substitute that fixes nitrogen and produces vitamin C rich berries.

False indigo bush (Amorpha fruticosa): Native US shrub, fixes nitrogen, supports native pollinators, not invasive. Excellent zone 4 to 8 choice where autumn olive is banned.

Siberian pea shrub (Caragana arborescens): Cold hardy to zone 2, fixes nitrogen, edible peas for chickens, drought tolerant. Workhorse for zone 3 to 5 plantings.

Comfrey Bocking 14 (Symphytum x uplandicum): The sterile cultivar that does not self seed. Plant 6 to 12 plugs per fruit tree. Cut 4 to 6 times per year for chop and drop. Deep tap root mines minerals from subsoil. Standard for permaculture and syntropic systems. See our chop and drop mulching guide for the cutting schedule.

The five failure modes by year

What goes wrong, when: Year 1 deer browse (50 percent loss without protection). Year 2 vole damage (girdling young trees through winter mulch). Year 5 to 8 fungal disease on stressed fruit trees. Year 10 overcrowding from over-aggressive pioneers. Year 15 declining nitrogen support as pioneers die out. Each is preventable with the right intervention at the right stage.

Year 1 deer browse. Without 5 ft (1.5 m) mesh tubes or a fence, expect 30 to 70 percent loss of young trees in deer country. Cornell Cooperative Extension's deer management resources document loss rates in unprotected New York orchards.

Year 2 voles. Voles tunnel under winter mulch and girdle young tree bark at the root crown. Pull mulch back 6 inches (15 cm) from each trunk in fall, or use a hardware cloth collar at the base.

Year 5 to 8 fungal disease. Apple scab, fire blight, cedar apple rust hit when fruit trees are stressed by competition or overcrowding. Prune for air flow, plant disease resistant varieties (Liberty, Enterprise, Goldrush apples), and accept that some loss is part of the system.

Year 10 overcrowding. Pioneers that should have been coppiced by year 5 to 7 dominate the canopy. Remove or aggressively coppice. This is also when you start the long term replacement planting cycle.

Year 15 nitrogen drop off. Original pioneers have died out and the system runs short on nitrogen. Replant fresh pioneer species in gaps, or interplant nitrogen fixing groundcovers (Dutch white clover, hairy vetch overwinter).

Soil carbon trajectory

This is the climate angle that does not show up in fruit yield tables but matters for the long term. Soil organic matter in a temperate food forest typically rises from 2 to 3 percent at planting to 5 to 8 percent by year 15, based on data from the Rodale Institute Farming Systems Trial (running since 1981) comparing perennial and organic systems against conventional annuals.

The carbon goes into three pools: aboveground biomass (the trees themselves), root biomass (substantial because perennial roots are deep and persistent), and stable soil organic carbon (the long term storage that matters for climate). USDA NRCS estimates temperate food forests sequester 2 to 5 tons of CO2 equivalent per acre per year during the establishment phase (year 1 to 15), tapering to 0.5 to 2 tons per acre at climax. The USDA Climate-Smart Agriculture initiative recognizes agroforestry as one of the highest-leverage practices.

Compressed succession versus natural succession

Just to set expectations clearly. Natural temperate forest succession on bare ground in the US Northeast looks something like this: years 0 to 3 annual weeds, years 3 to 15 goldenrod and aster meadow, years 15 to 40 pin cherry and pioneer hardwoods, years 40 to 100 oak and hickory canopy closing, years 100+ climax oak hickory or beech maple forest.

A designed food forest collapses that 100+ year sequence into roughly 20 years by planting species from years 0, 3, 15, 40, and 100 of natural succession on the same day. The pioneers do the soil and shelter work of decades in 5 to 7 years. The climax species, which would normally need to wait for established forest conditions, get artificial substitutes (mulch instead of leaf litter, intentional nitrogen fixers instead of decades of organic matter buildup, dwarf rootstocks for early bearing).

This is the central design move. Whether you call it permaculture (after Mollison and Holmgren), forest gardening (Hart), restoration agriculture (Shepard), or syntropic agriculture (Gotsch), the trick is the same: plant the future first and let the past species do the supporting work.

You can read the through line in our pillar piece on food forest design and planting, which covers the spacing decisions that make compressed succession actually work.

Want to design your own food forest from year 1?

Our free starter guide walks you through the planting day decisions that determine the next 20 years of succession.

Read the Free Guide

Reference projects to study

Three documented US sites that show what each stage actually looks like.

New Forest Farm (Mark Shepard) in Viola, Wisconsin (USDA zone 4b). Planted starting 1995 on 106 acres of degraded former cattle pasture. Now in late succession to climax with chestnut, hazelnut, apple, asparagus, and integrated livestock. The most documented restoration agriculture site in the US.

Beacon Food Forest in Seattle (zone 8b). Designed 2009, planted 2012 on 7 acres. Now 14 years in, late mid succession. Publicly accessible. The largest US public food forest and the best place to see urban food forest succession in real life.

Badgersett Research Farm in Canton, Minnesota (zone 4b). Operating since the 1970s on hybrid hazelnut, chestnut, and walnut breeding. The reference site for what year 30 to 50 of US food forest succession looks like in cold climates.

Frequently Asked Questions

What is food forest succession?

The predictable sequence of plant communities that occupies a food forest site over time, from pioneer through climax. The framework comes from Clements (1916) and Egler (1954) and was adapted to designed food production by Robert Hart (1996) and Ernst Gotsch (1984 onward).

How long does a food forest take to mature?

In US zones 4 to 8, first soft fruit by year 2 to 3, dwarf trees year 4 to 5, standard fruit year 6 to 10, nuts year 10 to 15, full canopy closure year 20 to 25.

What is the first stage of food forest succession?

The pioneer stage (year 1 to 2). Fast growing nitrogen fixers (black locust, autumn olive, sea berry, false indigo bush, Siberian pea shrub) and herbaceous comfrey Bocking 14 establish soil biology, fix nitrogen, and provide chop and drop mulch.

When does a food forest produce fruit?

Year 1 nothing perennial. Year 2 raspberries. Year 3 currants. Year 4 to 5 dwarf apples and plums. Year 6 to 10 standard fruit. Year 10 to 15 nuts.

What is the climax stage of a food forest?

The canopy has closed, succession has reached a quasi-stable state, and the manager begins intentional intervention to maintain productivity. Pioneers have largely died out and nut trees dominate.

Who developed the food forest succession framework?

Robert Hart (temperate, 1996), Ernst Gotsch (tropical syntropic, 1984 onward), with ecological foundations from Clements (1916) and Egler (1954).

How much maintenance does a food forest need each year?

Year 1: 200 to 400 hrs per acre. Year 5: 100 to 200. Year 15: 50 to 100. Less than annual gardens but never set and forget.

Why do I need pioneer species in a food forest?

They build soil biology, fix nitrogen, create wind protection, and produce biomass. Without them your climax species struggle. They are sacrificial: most get coppiced or removed as the climax matures.

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