Technical terms for landscaping and outdoor work in Ticino

A dry-stone wall is built by stacking stones without mortar, relying on weight and interlocking alone for stability. A mortared wall binds the stones with mortar (cement or lime) and sits on a concrete foundation. The first drains naturally through the stones; the second requires a back-drainage system.

Why it matters in practice. On traditional Ticino terracing (vineyards, ronchi, hillside gardens) the dry-stone wall is the historic choice and works well up to 150 cm in height. For greater heights or significant lateral loads (vehicle ramp above, swimming pool) you need the mortared option.

Rainwater drainage system installed behind a retaining wall or under paving. Typically a 20-30 cm gravel layer, a microperforated drainage pipe at the base, and a geotextile that prevents fine soil from clogging the drain.

Why it matters in practice. Without back drainage, water builds up behind the wall and generates hydrostatic pressure that can bulge even well-built walls. It is the leading cause of wall collapses in Ticino after intense summer storms in the Sottoceneri or prolonged spring rain.

The material layer (typically stabilised gravel or lean concrete) prepared under paving, a stone setting or a lawn to ensure load capacity, drainage and a regular surface. It is compacted in multiple passes and sized according to expected load (pedestrian, vehicular, parking).

Why it matters in practice. An undersized sub-base is the leading cause of paving that sinks or cracks after a few years. A vehicle driveway needs at least 30-40 cm of compacted sub-base; a pedestrian walkway can do with 15-20 cm.

Method of levelling a sloped terrain through horizontal steps held by walls or embankments. A historic feature of Ticino agriculture (vineyards, chestnut groves, meadows), now adapted to residential gardens to create usable flats on otherwise steep slopes.

Why it matters in practice. A well-built terracing requires drainage design and static calculation of the retaining walls. When working on existing historic terracing the rule is to reuse the original stone: the new wall must age together with the rest.

The stones most used in outdoor work in Ticino. Gneiss is a grey-brown metamorphic stone common in Val Maggia and Val Verzasca, excellent for masonry. Beola is a gneiss in thin slabs, typical of the Cevio area. Serizzo is a dark-grey granite-gneiss for load-bearing walls. Piode are stone slabs (gneiss or slate) used for roofs and paving.

Why it matters in practice. Choosing the right stone is not just aesthetic: mechanical properties change. Gneiss and serizzo bear major loads, beola works well for decorative finishes. In a historic core it pays to choose the same material as the existing walls so the visual coherence isn't broken.

A layer of material (bark, dry leaves, gravel, sheeting) placed over the soil around plants to reduce evaporation, suppress weeds, protect roots from frost and improve soil structure over time.

Why it matters in practice. In Ticino gardens it's particularly useful against summer storms (reduces surface erosion) and in the hotter months on Lago Maggiore (reduces irrigation by 30-40%). Pine bark is the most common mulching: cheap, attractive, lasts 2-3 years before degrading.

Native species are plants from the area (in Ticino: chestnut, beech, birch, holly, broom, wild lavender). Ornamental species are introduced for decorative purposes (palms, citrus, oleanders, hydrangeas, magnolias). The former require less maintenance and adapt naturally to the climate; the latter offer aesthetic variety but need targeted care.

Why it matters in practice. On Lago Maggiore the introduction of subtropical species (palms, citrus) is historic and now part of the landscape. In well-planned residential gardens the two categories are combined: a robust native framework with ornamental accents at the garden's key points.

Beetle pest (Rhynchophorus ferrugineus) that attacks palms, especially Phoenix canariensis and Phoenix dactylifera. The larva tunnels into the trunk until the plant dies. External signs (hanging fronds, irregular crown, holes in the trunk) often appear when damage is already advanced.

Why it matters in practice. On Lago Maggiore and in the milder parts of the Sottoceneri the weevil is a real threat to historic palms. Prevention (endotherapy treatments in spring) costs a fraction of post-infestation recovery. An infested untreated palm is usually lost within 12-18 months.

Drip irrigation releases water slowly from point emitters (drippers) directly at the base of plants. Sprinklers distribute water in a rain pattern over a wider area. Drip is more efficient (50-70% water saving compared to sprinklers), sprinklers cover lawns better.

Why it matters in practice. The choice depends on the type of surface. For beds, hedges, trees and vegetable plots drip is almost always the right solution. Large lawns need sprinklers. A well-designed system combines both on separate sectors with a programmable controller to manage time windows and off-days.

Routine maintenance covers the recurring interventions that keep the garden in optimal condition: lawn mowing, hedge and shrub pruning, fertilising, irrigation checks, replacing annuals. Major maintenance covers unplanned or significant interventions: recovery after weather events, replacing diseased trees, redesigning beds, repairing walls.

Why it matters in practice. Routine maintenance contracts on a fixed calendar (monthly or bimonthly depending on the season) cost less than spot work and prevent many problems that would otherwise become major. For second homes this is particularly important: the garden must be in order when the owner returns.

The site visit is the free on-site assessment during which access, terrain, exposure, planning constraints and client needs are evaluated. The quote is the written document that follows, with itemised lines for materials, labour, timing, conditions and validity (typically 30-60 days).

Why it matters in practice. A good quote always includes drainage (not as an «extra»), the foundation type and the exact specification of stones/materials. Very low offers often skip these lines: the work is still done, but with drastically reduced useful life.

Ticino splits into three climatic macro-zones. The Locarnese and Brissago enjoy a mild microclimate with short winters that allow palms, citrus and oleanders. The Sopraceneri (Bellinzona, Magadino) has an alpine-continental climate with late frosts and clay soils. The Sottoceneri (Lugano, Mendrisiotto) has more continental traits with marked daily temperature swings and hot summers.

Why it matters in practice. The choice of species and materials must follow the zone, not «generic Ticino». A palm from Brissago dies after a few winters planted in Bellinzona; a Mediterranean vine suffers in the inner Mendrisiotto. Site logistics also account for microclimate: different growing seasons, different work windows.