{ "names": { "common": { "de": "Felsenbirne", "en": "Serviceberry" }, "plural": { "de": "Felsenbirnen", "en": "Serviceberries" }, "botanical": "Amelanchier", "botanical_author": "Medik.", "synonyms": { "de": [ "Amelanchier", "Felsenbirne" ], "en": [ "shadbush", "shadwood", "shadblow", "juneberry", "saskatoon", "sugarplum" ] }, "common_synonyms": { "de": [ "Amelanchier", "Felsenbirne" ], "en": [ "shadbush", "shadwood", "shadblow", "serviceberry", "juneberry", "saskatoon", "sugarplum", "wild-plum", "chuckley pear" ] }, "regional_names": { "en": [ "sarvisberry", "May cherry" ] }, "international_names": { "la": [ "Amelanchier" ] }, "search_terms": { "de": [ "Felsenbirne", "Rosengewächse" ], "en": [ "Amelanchier", "Serviceberry" ] } }, "taxonomy": { "kingdom": "Plantae", "clades": [ "Tracheophyta", "Magnoliopsida" ], "order": "Rosales", "family_botanical": "Rosaceae", "family": { "de": "Rosengewächse", "en": "Rose family" }, "family_id": "rosaceae", "subfamily": "Maloideae", "tribe": "Maleae", "genus": "Amelanchier", "hybrid_status": "not_hybrid", "related_crops": [ "Pyrus", "Malus", "Crataegus" ] }, "classification": { "main_group": "Shrubs and Trees", "sub_group": "Fruit Trees", "crop_group": "Pome fruit", "life_cycle": "Perennial", "perennial": true, "woody": true, "tree": true, "shrub": true, "edible_parts": { "de": [ "Früchte" ], "en": [ "fruits" ] }, "nutrient_group": "Fruit" }, "calendar": { "sowing_indoor": { "notes": { "de": "Vermehrung über Samen unüblich; meist durch Veredelung oder Ausläufer.", "en": "Propagation via seed is uncommon; usually propagated via grafting or suckers." } }, "sowing_outdoor": { "months": [ 10, 11 ], "earliest_month": 10, "latest_month": 11, "notes": { "de": "Kaltkeimer; Aussaat im Herbst für natürliche Stratifikation.", "en": "Cold germinator; sow in autumn for natural stratification." } }, "planting_out": { "months": [ 3, 4, 10, 11 ], "earliest_month": 3, "latest_month": 11, "notes": { "de": "Containerware ganzjährig möglich, Wurzelware im Spätherbst oder zeitigen Frühjahr.", "en": "Container-grown plants possible year-round, bare-root in late autumn or early spring." } }, "harvest": { "months": [ 6, 7, 8 ], "earliest_month": 6, "latest_month": 8, "notes": { "de": "Ernte je nach Sorte ab Juni (Junibeere). Früchte reifen nacheinander.", "en": "Harvest depending on variety from June (Juneberry). Fruits ripen successively." } }, "month_tasks": { "1": [ { "de": "Struktureller Rückschnitt an frostfreien Tagen.", "en": "Structural pruning on frost-free days." } ], "2": [ { "de": "Kontrolle auf Wildverbiss bei Jungpflanzen.", "en": "Check for wildlife damage on young plants." } ], "3": [ { "de": "Pflanzzeit für wurzelnackte Gehölze.", "en": "Planting season for bare-root shrubs." }, { "de": "Düngung mit Kompost im Wurzelbereich.", "en": "Fertilize with compost in the root zone." } ], "4": [ { "de": "Mulchschicht erneuern, um Feuchtigkeit zu halten.", "en": "Renew mulch layer to retain moisture." } ], "5": [ { "de": "Wässern bei langanhaltender Trockenheit während der Blüte.", "en": "Water during prolonged drought during flowering." } ], "6": [ { "de": "Beginn der Fruchtreife; Schutznetze gegen Vogelfraß anbringen.", "en": "Beginning of fruit ripening; install nets to protect from birds." } ], "7": [ { "de": "Haupterntezeit für die süßen Beeren.", "en": "Main harvest season for the sweet berries." } ], "8": [ { "de": "Abschluss der Ernte; ggf. Sommerschnitt zur Auslichtung.", "en": "End of harvest; optional summer pruning for thinning." } ], "9": [ { "de": "Bestellung neuer Sorten für die Herbstpflanzung.", "en": "Order new varieties for autumn planting." } ], "10": [ { "de": "Optimale Pflanzzeit für Sträucher und Bäume.", "en": "Optimal planting time for shrubs and trees." } ], "11": [ { "de": "Laub harken; Herbstfärbung genießen.", "en": "Rake leaves; enjoy autumn colors." } ], "12": [ { "de": "Werkzeuge reinigen und warten.", "en": "Clean and maintain tools." } ] }, "month_tasks_structured": { "1": [ { "task": "pruning", "label": { "de": "Winterschnitt", "en": "Winter pruning" }, "priority": "medium", "months": [ 1, 2 ], "condition": "frost-free", "estimated_effort": "low", "notes": { "de": "Nur auslichten, Felsenbirnen wachsen natürlich sehr schön.", "en": "Only thin out; serviceberries grow very beautifully naturally." } } ] } }, "book_content": { "overview": { "de": "Die Felsenbirne ist ein Juwel für jeden Naturgarten. Als ökologisch wertvolles Gehölz bietet sie im Frühjahr ein weißes Blütenmeer, im Sommer süße, vitaminreiche Früchte und im Herbst ein furiose Farbspiel in Orange-Rot. Sie ist extrem frosthart und stellt geringe Ansprüche an den Boden.", "en": "The serviceberry is a jewel for any wildlife garden. As an ecologically valuable woody plant, it offers a sea of white blossoms in spring, sweet, vitamin-rich fruits in summer, and a spectacular display of orange-red foliage in autumn. It is extremely frost-hardy and has low soil requirements." } }, "structured_month_tasks": { "3": [ { "task": "fertilizing", "label": { "de": "Frühjahrsdüngung", "en": "Spring fertilization" }, "priority": "medium", "months": [ 3 ], "condition": "before bud break", "estimated_effort": "low", "notes": { "de": "Reifer Kompost ist ideal.", "en": "Mature compost is ideal." } } ], "6": [ { "task": "harvesting", "label": { "de": "Beeren ernten", "en": "Harvesting berries" }, "priority": "high", "months": [ 6, 7, 8 ], "condition": "fully ripe fruits", "estimated_effort": "medium", "notes": { "de": "Früchte sind reif, wenn sie dunkelviolett bis schwarz gefärbt sind.", "en": "Fruits are ripe when they turn dark purple to black." } } ] }, "cultivation_specs": { "seed": { "seed_depth_cm_min": 1.0, "seed_depth_cm_max": 2.0, "light_germinator": false, "dark_germinator": true, "cold_germinator": true, "stratification_needed": true, "pre_soaking_recommended": true, "germination_temp_c_min": 4, "germination_temp_c_max": 12, "germination_days_min": 90, "germination_days_max": 180, "seed_lifespan_years_min": 1, "seed_lifespan_years_max": 2, "direct_sowing_possible": true, "pre_culture_recommended": false }, "spacing": { "plant_spacing_cm_min": 200, "plant_spacing_cm_max": 500, "row_spacing_cm_min": 300, "row_spacing_cm_max": 600, "recommended_density_per_sqm_min": 0.1, "recommended_density_per_sqm_max": 0.25, "min_bed_width_cm": 200, "square_foot_gardening_spacing": "1 plant per 16 sq ft", "spacing_notes": { "de": "Abstand stark abhängig von der Art (z.B. A. alnifolia vs. A. lamarckii).", "en": "Spacing depends heavily on species (e.g., A. alnifolia vs. A. lamarckii)." } }, "growth_dimensions": { "height_cm_min": 200, "height_cm_max": 800, "width_cm_min": 150, "width_cm_max": 600, "root_depth_cm_min": 40, "root_depth_cm_max": 100, "root_spread_cm_min": 100, "root_spread_cm_max": 400, "growth_speed": "medium", "final_size_notes": { "de": "Mehrstämmige Sträucher oder kleine Bäume; sehr schnittverträglich.", "en": "Multi-stemmed shrubs or small trees; handles pruning very well." } }, "temperature": { "min_growing_temp_c": -25, "optimal_temp_c_min": 15, "optimal_temp_c_max": 25, "max_heat_tolerance_c": 35, "soil_temp_for_sowing_c_min": 5, "soil_temp_for_sowing_c_optimal": 10, "frost_sensitive": false, "late_frost_sensitive": false, "heat_tolerance": "medium", "cold_tolerance": "very_high", "temperature_notes": { "de": "Extrem winterhart, verträgt Frost bis weit unter -20°C.", "en": "Extremely hardy, tolerates frost well below -20°C." } }, "water": { "water_need": "medium", "critical_water_phases": { "de": [ "Anwachsphase", "Fruchtbildung" ], "en": [ "Establishment phase", "Fruit development" ] }, "drought_tolerant": true, "drought_sensitivity": "low", "waterlogging_sensitive": true, "mulching_recommended": true, "water_notes": { "de": "Etablierte Pflanzen sind trockenheitsresistent; Staunässe unbedingt vermeiden.", "en": "Established plants are drought-resistant; avoid waterlogging at all costs." } }, "nutrition": { "nutrient_group": "medium_feeder", "heavy_feeder": false, "medium_feeder": true, "light_feeder": false, "nitrogen_need": "medium", "phosphorus_need": "medium", "potassium_need": "medium", "calcium_need": "medium", "magnesium_need": "low", "compost_recommended": true, "mulching_recommended": true, "fertilizer_sensitivity": "low", "nutrition_notes": { "de": "Genügsam; eine jährliche Kompostgabe im Frühjahr reicht meist aus.", "en": "Frugal; an annual application of compost in spring is usually sufficient." } }, "container": { "container_suitable": true, "min_pot_volume_l": 40, "recommended_pot_volume_l": 100, "min_pot_depth_cm": 50, "min_pot_diameter_cm": 50, "plants_per_container_min": 1, "plants_per_container_max": 1, "drainage_required": true, "repotting_needed": true, "container_notes": { "de": "Schwachwüchsige Sorten wie 'Helvetia' bevorzugen.", "en": "Prefer low-vigor varieties like 'Helvetia'." } }, "support": { "needs_support": false, "support_recommended": false, "climbing": false, "vining": false, "trellis_recommended": false, "training_required": false, "support_notes": { "de": "Jungstämme können bei starkem Wind mit einem Pfahl gesichert werden.", "en": "Young stems can be secured with a stake in high winds." } }, "cultivation_modes": { "outdoor_bed_suitable": true, "raised_bed_suitable": false, "container_suitable": true, "balcony_suitable": true, "greenhouse_suitable": false, "polytunnel_suitable": false, "indoor_suitable": false, "windowsill_suitable": false, "hydroponic_possible": false, "permaculture_suitable": true, "no_dig_suitable": true }, "yield_density": { "yield_per_plant_min": 2, "yield_per_plant_max": 10, "yield_unit": "kg", "yield_reliability": "high", "yield_notes": { "de": "Ertrag steigt mit dem Alter des Strauches deutlich an.", "en": "Yield increases significantly as the shrub ages." } } }, "site": { "exposure": { "de": "Sonnig bis halbschattig", "en": "Sunny to partial shade" }, "wind_tolerance": "high", "microclimate_requirements": { "de": "Sehr anpassungsfähig; verträgt Stadtklima gut.", "en": "Very adaptable; tolerates urban climates well." } }, "soil": { "soil_type": { "de": "Sandig-lehmig bis humos", "en": "Sandy-loamy to humic" }, "ph_min": 5.0, "ph_max": 7.5, "soil_notes": { "de": "Bevorzugt leicht saure Böden, ist aber tolerant gegenüber Kalk.", "en": "Prefers slightly acidic soils but is tolerant of lime." } }, "watering": { "intensity": "medium", "frequency": "weekly", "strategy": { "de": "Nach der Etablierung nur bei Hitze wässern.", "en": "After establishment, only water during heat waves." } }, "nutrition": { "fertilizing_schedule": { "de": "Einmalig im März", "en": "Once in March" }, "fertilizer_type": { "de": "Organischer Volldünger oder Kompost", "en": "Organic all-purpose fertilizer or compost" } }, "cultivation_planning": { "succession_sowing": { "possible": false }, "bed_planning_notes": { "de": "Ideal als Solitärgehölz, in Wildhecken oder als essbare Landschaft.", "en": "Ideal as a specimen plant, in wildlife hedges, or as edible landscaping." }, "interplanting_potential": "high", "mechanization_relevance": "low" }, "crop_rotation": { "notes": { "de": "Als langlebiges Gehölz nicht Teil einer klassischen Fruchtfolge. Einmaliger Standort für Jahrzehnte.", "en": "As a long-lived woody plant, it is not part of a classic crop rotation. Occupies the same site for decades." } }, "companion_planting": { "approach": "Forest garden / Wildlife hedge", "good_neighbors": [ { "slug": "symphoricarpos", "name": { "de": "Schneebeere", "en": "Snowberry" }, "reason": { "de": "Ergänzt sich gut in gemischten Wildhecken.", "en": "Complements well in mixed wildlife hedges." }, "relationship_type": "beneficial" }, { "slug": "fragaria", "name": { "de": "Walderdbeere", "en": "Wild Strawberry" }, "reason": { "de": "Idealer Bodendecker unter dem lichten Schatten der Felsenbirne.", "en": "Ideal groundcover under the light shade of the serviceberry." }, "relationship_type": "beneficial" } ], "bad_neighbors": [ { "slug": "juniperus", "name": { "de": "Wacholder", "en": "Juniper" }, "reason": { "de": "Wirt für Birnengitterrost, der auch Amelanchier befallen kann.", "en": "Host for cedar-apple rust which can also infect Amelanchier." }, "relationship_type": "antagonistic" } ], "design_rules": { "de": [ "Nicht zu nah an Gebäude pflanzen (Wuchsbreite beachten).", "Unterpflanzung mit schattentoleranten Stauden möglich." ], "en": [ "Do not plant too close to buildings (consider spread).", "Underplanting with shade-tolerant perennials is possible." ] }, "notes": { "de": "Hervorragend für ökologische Hecken geeignet.", "en": "Excellent for ecological hedging." } }, "deficiencies": [ { "slug": "iron_chlorosis", "name": { "de": "Eisenmangel (Chlorose)", "en": "Iron deficiency (Chlorosis)" }, "symptoms": { "de": "Gelbe Blätter mit grünen Blattadern, oft bei zu kalkhaltigem Boden.", "en": "Yellow leaves with green veins, often in overly calcareous soil." } } ], "problems": [ { "slug": "bird_damage", "name": { "de": "Vogelfraß", "en": "Bird damage" }, "description": { "de": "Vögel lieben die reifen Beeren und können die Ernte schnell vernichten.", "en": "Birds love the ripe berries and can quickly destroy the harvest." } } ], "problem_management": { "common_pest_groups": { "de": [ "Saugende Insekten", "Wühlmäuse (an Wurzeln)" ], "en": [ "Sucking insects", "Voles (at roots)" ] }, "common_disease_groups": { "de": [ "Echter Mehltau", "Rostpilze" ], "en": [ "Powdery mildew", "Rust fungi" ] }, "prevention_principles": { "de": [ "Sonniger Standort für schnelles Abtrocknen der Blätter.", "Auslichtungsschnitt zur besseren Durchlüftung.", "Vermeidung von Staunässe." ], "en": [ "Sunny location for fast leaf drying.", "Thinning cuts for better ventilation.", "Avoidance of waterlogging." ] }, "diagnosis_notes": { "de": "Achten Sie besonders im Frühsommer auf Blattveränderungen.", "en": "Pay close attention to leaf changes especially in early summer." } }, "disease_graph": { "scope": "Rosaceae pome fruit specific", "profiles": [ { "slug": "powdery_mildew_profile", "severity": "medium", "conditions": { "de": [ "Schönwetterpilz", "Warme Tage und kühle Nächte" ], "en": [ "Fair-weather fungus", "Warm days and cool nights" ] }, "affected_parts": { "de": [ "Blätter", "Triebspitzen" ], "en": [ "Leaves", "Shoot tips" ] }, "prevention": { "de": [ "Luftiger Standort", "Stärkung mit Schachtelhalmtee" ], "en": [ "Airy location", "Strengthening with horsetail tea" ] }, "organic_control": { "de": [ "Netzschwefel (bei starkem Befall)", "Milch-Wasser-Gemisch spritzen" ], "en": [ "Wettable sulfur (for severe infestation)", "Spray milk-water mixture" ] } } ], "diagnostic_rules": [ { "symptom": { "de": "Blätter werden im Hochsommer weißlich-grau.", "en": "Leaves turn whitish-grey in midsummer." }, "possible_causes": [ "powdery_mildew" ], "first_checks": { "de": [ "Ist der Belag abwischbar?", "Ist die Pflanze zu dicht gewachsen?" ], "en": [ "Can the coating be wiped off?", "Is the plant growing too densely?" ] } } ], "prevention_strategy": { "cultural": { "de": [ "Auswahl resistenter Sorten", "Ausreichend Pflanzabstand" ], "en": [ "Selection of resistant varieties", "Sufficient planting distance" ] }, "monitoring": { "de": [ "Wöchentliche Kontrolle ab Mai" ], "en": [ "Weekly inspection from May onwards" ] }, "organic_first_response": { "de": [ "Befallene Triebspitzen großzügig wegschneiden" ], "en": [ "Prune back infested shoot tips generously" ] }, "notes": { "de": "Die Felsenbirne ist im Vergleich zu anderen Rosengewächsen recht robust.", "en": "The serviceberry is quite robust compared to other rose family members." } } }, "diagnosis": { "common_misdiagnoses": { "de": "Herbstfärbung wird manchmal fälschlicherweise als Krankheit interpretiert.", "en": "Autumn coloring is sometimes misinterpreted as a disease." } }, "phenology": { "stages": { "de": [ "Wolliger Knospenaufbruch im zeitigen Frühjahr", "Prächtige weiße Blüte vor oder mit dem Blattaustrieb", "Fruchtansatz mit zunächst grünen, dann rötlichen Beeren", "Vollreife der Früchte (dunkelviolett bis schwarz)", "Prächtige Herbstfärbung in Orange- und Rottönen", "Winterruhe mit markanter Rindenstruktur" ], "en": [ "Woolly bud break in early spring", "Spectacular white flowering before or during leaf out", "Fruit set with initially green, then reddish berries", "Full ripeness of fruits (dark purple to black)", "Brilliant autumn coloring in shades of orange and red", "Dormancy with distinctive bark structure" ] }, "notes": { "de": "Die Felsenbirne bietet als Vier-Jahreszeiten-Gehölz einen hohen Zierwert bei gleichzeitigem Nutzwert.", "en": "The serviceberry is a four-season shrub offering high ornamental value alongside its utility." } }, "flowering_pollination": { "flowering_period": { "de": "April bis Mai", "en": "April to May" }, "flower_color": { "de": "Reinweiß", "en": "Pure white" }, "fragrance": { "de": "Leicht süßlich", "en": "Slightly sweet" } }, "pollination": { "summary": { "de": "Die Bestäubung erfolgt hauptsächlich durch Bienen, Hummeln und andere Insekten. Die Blüten sind eine wichtige frühe Trachtquelle.", "en": "Pollination is primarily carried out by bees, bumblebees, and other insects. The flowers are an important early forage source." }, "pollinator_required": false, "self_fertility": "self_fertile", "pollinator_notes": { "de": "Selbstfruchtbar, aber Fremdbestäubung durch Insekten erhöht oft den Fruchtertrag.", "en": "Self-fertile, but cross-pollination by insects often increases fruit yield." } }, "harvest": { "harvest_period": { "de": "Juni bis August", "en": "June to August" }, "yield_type": { "de": "Beerenfrüchte (Apfelfrüchte)", "en": "Berries (pome fruits)" } }, "harvest_details": { "harvest_frequency": { "de": "Mehrmalig; die Früchte reifen nacheinander an der Dolde.", "en": "Multiple times; fruits ripen successively on the cluster." }, "harvest_indicators": { "de": [ "Tiefblaue bis schwarzviolette Färbung", "Früchte geben auf leichten Druck nach", "Süßer, marzipanähnlicher Geschmack" ], "en": [ "Deep blue to blackish-purple coloration", "Fruits yield to slight pressure", "Sweet, marzipan-like flavor" ] }, "post_harvest_handling": { "de": "Früchte sind sehr weich und druckempfindlich; zügig verarbeiten oder kühlen.", "en": "Fruits are very soft and sensitive to pressure; process quickly or refrigerate." } }, "storage": { "fresh_storage": { "de": "Im Kühlschrank 2-3 Tage haltbar.", "en": "Keep in the refrigerator for 2-3 days." }, "long_term_storage": { "de": "Einfrieren, Trocknen oder Einkochen.", "en": "Freezing, drying, or canning." } }, "storage_details": { "general_storage_category": { "de": "Kurzlebige Frischfrucht / Beerenobst", "en": "Short-lived fresh fruit / Berries" }, "storage_life": { "de": "Frisch: sehr kurz; Verarbeitet: bis zu 12 Monate.", "en": "Fresh: very short; Processed: up to 12 months." }, "processing_options": { "de": [ "Marmelade", "Gelee", "Saft", "Likör", "Trockenfrüchte (wie Rosinen)" ], "en": [ "Jam", "Jelly", "Juice", "Liqueur", "Dried fruits (like raisins)" ] } }, "processing_use": { "primary_use": { "de": "Frischverzehr oder Konservierung", "en": "Fresh consumption or preservation" }, "industrial_relevance": { "de": "Gering, hauptsächlich für Nischenprodukte oder Direktvermarktung.", "en": "Low, mainly for niche products or direct marketing." } }, "kitchen_usage": { "flavor_profile": { "de": "Süß, saftig, mit einer feinen Mandel- oder Marzipannote durch die Kerne.", "en": "Sweet, juicy, with a subtle almond or marzipan note from the seeds." }, "suitable_dishes": { "de": [ "Müsli-Beigabe", "Kuchenbelag", "Dessert-Topping", "Wildfrucht-Konfitüre" ], "en": [ "Muesli ingredient", "Cake topping", "Dessert topping", "Wild fruit jam" ] } }, "safety_and_edibility": { "edible_parts": { "de": [ "Früchte" ], "en": [ "Fruits" ] }, "inedible_or_caution_parts": { "de": [ "Kerne (enthalten geringe Mengen cyanogener Glykoside)", "Blätter", "Rinde" ], "en": [ "Seeds (contain small amounts of cyanogenic glycosides)", "Leaves", "Bark" ] }, "toxicity_notes": { "de": "Die Kerne enthalten Blausäureverbindungen; in normalen Verzehrmengen für Erwachsene unbedenklich. Kinder sollten keine großen Mengen unzerkauter oder zerbissener Kerne essen.", "en": "The seeds contain hydrogen cyanide compounds; harmless in normal amounts for adults. Children should avoid eating large quantities of chewed or crushed seeds." }, "raw_consumption": { "de": "Sehr gut möglich und schmackhaft.", "en": "Perfectly possible and tasty." } }, "seed_saving": { "difficulty": { "de": "Mittel bis schwer", "en": "Medium to difficult" }, "process": { "de": "Samen aus reifen Früchten waschen, Fruchtfleisch vollständig entfernen.", "en": "Wash seeds from ripe fruits, removing all pulp." } }, "seed_saving_advanced": { "stratification": { "de": "Kaltstratifikation über 3-5 Monate bei 1-5°C notwendig.", "en": "Cold stratification for 3-5 months at 1-5°C required." }, "viability": { "de": "Samen verlieren schnell an Keimfähigkeit; am besten frisch aussäen.", "en": "Seeds lose viability quickly; best sown fresh." } }, "varieties": [ { "slug": "amelanchier-lamarckii", "name": { "de": "Kupfer-Felsenbirne", "en": "Juneberry" }, "scientific_name": "Amelanchier lamarckii", "notes": { "de": "Häufigste Sorte in deutschen Gärten; markanter kupferfarbener Austrieb und exzellente Herbstfärbung.", "en": "Most common variety in European gardens; distinctive copper-colored young leaves and excellent autumn color." } }, { "slug": "ballerina", "name": { "de": "Ballerina", "en": "Ballerina Serviceberry" }, "scientific_name": "Amelanchier x grandiflora 'Ballerina'", "notes": { "de": "Großfruchtig und ertragreich; besonders resistent gegen Mehltau.", "en": "Large-fruited and high-yielding; particularly resistant to powdery mildew." } }, { "slug": "autumn-brilliance", "name": { "de": "Autumn Brilliance", "en": "Autumn Brilliance Serviceberry" }, "scientific_name": "Amelanchier x grandiflora 'Autumn Brilliance'", "notes": { "de": "Bekannt für seine intensive rote Herbstfärbung und den baumartigen Wuchs.", "en": "Known for its intense red autumn foliage and tree-like growth habit." } }, { "slug": "helvetia", "name": { "de": "Helvetia", "en": "Helvetia Dwarf Serviceberry" }, "scientific_name": "Amelanchier alnifolia 'Helvetia'", "notes": { "de": "Zwergsorte, ideal für die Kübelhaltung und kleine Gärten.", "en": "Dwarf variety, ideal for container gardening and small spaces." } } ], "woody_crop_details": { "training_systems_to_research": [ "multi-stemmed shrub", "standard tree", "fruiting hedge" ], "renewal_pruning_relevance": "high", "notes": { "de": "Wird meist wurzelecht als Strauch gezogen; Veredelungen auf Sorbus oder Crataegus sind unüblich und oft kurzlebig.", "en": "Usually grown on its own roots as a shrub; grafting onto Sorbus or Crataegus is uncommon and often short-lived." } }, "pruning_logic": { "scope": "maintenance and renewal", "system": "natural habit preservation", "remove": { "de": [ "Totes Holz", "Überkreuzende Äste", "Überalterte Triebe (älter als 6-8 Jahre) bodennah", "Wurzelausläufer (falls störend)" ], "en": [ "Dead wood", "Crossing branches", "Aged shoots (older than 6-8 years) at ground level", "Root suckers (if intrusive)" ] }, "preserve": { "de": [ "Kurzes Fruchtholz", "Zentralleittriebe bei Baumform", "Natürliche schirmartige Krone" ], "en": [ "Short fruiting spurs", "Central leaders in tree forms", "Natural umbrella-like canopy" ] }, "avoid": { "de": [ "Radikaler Rückschnitt (führt zu unschönem Besenwuchs)", "Schnitt ins alte Holz ohne Zugast", "Jährlicher starker Rückschnitt" ], "en": [ "Radical topping (leads to unsightly water sprouts)", "Cutting into old wood without a sap drawer", "Heavy annual pruning" ] }, "timing_rules": [ { "season": "winter", "months": [ 1, 2 ], "purpose": { "de": "Verjüngungsschnitt", "en": "Renewal pruning" }, "notes": { "de": "Beste Zeit für das Entfernen dicker, alter Äste.", "en": "Best time for removing thick, old branches." } }, { "season": "summer", "months": [ 7, 8 ], "purpose": { "de": "Auslichtungsschnitt", "en": "Thinning cut" }, "notes": { "de": "Nach der Ernte, um die Lichtdurchflutung zu fördern.", "en": "After harvest to promote light penetration." } } ], "cut_location_rules": { "de": [ "Immer auf Astring schneiden", "Bei Verjüngung direkt über dem Boden ableiten", "Einkürzen immer kurz über einer nach außen weisenden Knospe" ], "en": [ "Always cut to the branch collar", "For renewal, cut back to ground level", "Shorten just above an outward-facing bud" ] }, "intensity_rules": { "rejuvenation": "20% of old stems per year", "maintenance": "minimal" }, "tool_hygiene": { "de": "Werkzeuge nach dem Schnitt desinfizieren, insbesondere bei Verdacht auf Feuerbrand.", "en": "Disinfect tools after pruning, especially if fire blight is suspected." }, "diagram_requirements": { "de": [ "Darstellung des Auslichtungsschnitts (vorher/nachher)", "Unterscheidung zwischen Fruchtholz und Wasserschossen" ], "en": [ "Illustration of thinning cuts (before/after)", "Distinction between fruiting wood and water sprouts" ] }, "notes": { "de": "Die Felsenbirne benötigt nur minimale Eingriffe. Weniger ist hier meist mehr.", "en": "Serviceberries require minimal intervention. Less is usually more." } }, "pruning_training": { "shrub_form": { "de": "Natürlicher mehrstämmiger Strauchwuchs bevorzugt.", "en": "Natural multi-stemmed shrub growth is preferred." }, "tree_form": { "de": "Erziehung als Hochstamm durch Aufasten möglich.", "en": "Training as a standard tree possible through limbing up." } }, "ecology": { "pollinator_value": "high", "wildlife_value": "very_high", "biodiversity_notes": { "de": "Bietet Nektar für frühe Wildbienen und Schmetterlinge; die Beeren sind eine lebenswichtige Nahrungsquelle für über 40 Vogelarten.", "en": "Provides nectar for early wild bees and butterflies; the berries are a vital food source for over 40 bird species." } }, "practical_notes": [ { "de": "Vögel sind oft schneller als der Gärtner – Netze schützen die Ernte.", "en": "Birds are often faster than the gardener – nets protect the harvest." }, { "de": "Die Früchte einer Dolde reifen nacheinander; für volle Süße selektiv ernten.", "en": "Fruits on a cluster ripen successively; harvest selectively for full sweetness." } ], "slug": "felsenbirne", "sources": [ { "title": "Wikidata entity", "url": "https://www.wikidata.org/wiki/Q156957", "publisher": "Wikidata", "date_accessed": "2026-05-13" }, { "title": "GBIF species match", "url": "https://api.gbif.org/v1/species/match?name=Amelanchier&kingdom=Plantae", "publisher": "GBIF", "date_accessed": "2026-05-13" }, { "title": "Deutschsprachige Wikipedia: Felsenbirnen", "url": "https://de.wikipedia.org/wiki/Felsenbirnen", "publisher": "Wikipedia", "date_accessed": "2026-05-13" }, { "title": "English Wikipedia: Amelanchier", "url": "https://en.wikipedia.org/wiki/Amelanchier", "publisher": "Wikipedia", "date_accessed": "2026-05-13" } ] }