Plants

sweet chestnut

Castanea sativa

Family: Fagaceae · Genus: Castanea

European chestnut

Secondary II High No biomass production 🪓 Coppices after cutting

European sweet chestnut, a large deciduous tree of the Fagaceae family, exotic to Brazil and suited to cold temperate regions of the south. It tolerates cold (to about -15 °C) and requires acidic soil (pH 4.5–6.0), being intolerant of lime. It flowers in early summer and the nut ripens in autumn; a very long-lived species.

📚 Synonyms

Scientific synonyms: Castanea vesca Gaertn., Castanea vulgaris Lam., Fagus castanea L.

Götsch succession

Götsch stage: Secondary II
Ecological role: Late secondary
Primary stratum: High
Strata: High, Emergent
Biomass class: No biomass production

Environment

Light requirement: Full sun
Water requirement: Moderate
Drought tolerance: Moderate
Waterlogging tolerance: Low
Soil pH range: 4.5–6
Preferred soil texture: Loamy, Sandy
Hardiness zones: 5–8
Frost tolerance: -15.0 °C

Morphology

Mature height: 20–35 m
Recommended spacing: 8–12 m
Root system: Taproot
Root depth: Deep
Growth rate: Moderate
Lifespan: 200–600 years
Time to first harvest: 60 months
Productive lifespan: 150 years

Biomes & climate

Pampa Suitable
Atlantic Forest Suitable

Köppen classes

Oceanic (Cfb) Suitable
Warm-summer Mediterranean (Csb) Suitable
Subtropical highland (Cwb) Suitable

Where it fits in a guild

Sweet chestnut takes the High stratum in the Secondary II phase of succession — in a guild it shares the line with species from the other strata, each harvesting light at its own height, in its own time.

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🪴 Cultivation

Propagated by seed (over 20 years to first fruit) or by grafting (about 5 years). Self-incompatible, requiring cross-pollination between cultivars. Averse to calcareous soils; grows well on acidic, light, well-drained soils.

✂️ Management & Pruning

For nut production, train to a central leader in the early years for a straight trunk and a high canopy; maintenance pruning is minimal and done in dormancy (Jun–Aug), removing only low, dead or crossing limbs. The species coppices vigorously after cutting, allowing stool management when grown for timber or firewood.

📅 Phenology

Flowering months: December, January

Fruiting months: April, May

❓ Frequently asked questions

How long until the first harvest of sweet chestnut?

The first harvest of sweet chestnut comes around 60 months after planting.

What spacing is recommended for sweet chestnut?

The recommended spacing for sweet chestnut is 8–12 m.

How tall does sweet chestnut grow?

At maturity, sweet chestnut reaches 20–35 m tall.

When does sweet chestnut fruit?

Fruiting of sweet chestnut occurs in April, May.

When does sweet chestnut flower?

Flowering of sweet chestnut occurs in December, January.

What stage and stratum does sweet chestnut occupy in a syntropic system?

In a syntropic system, sweet chestnut belongs to the secondary ii stage, occupying the high stratum.

Functions

🌰 Nut Timber Fuelwood 🍯 Melliferous

Propagation

Seed, Grafting

Citations

Wikipedia (scientific_name, family, height_min_m, height_max_m, frost_tolerance_c, ph_min, ph_max, propagation, wikidata_qid)
Plants For A Future (pruning_notes, time_to_first_harvest_months, ph_min, ph_max, coppice_ability)
POWO (powo_id, scientific_name)