Upload a CSV file. First row must be the header. Empty cells fall back to defaults; missing fields will be auto-filled by AI on first plant view.
Header: nickname, species_common, species_scientific, zone, planted_date, stage, expected_height_in, expected_width_in, bud_date, bloom_start, bloom_peak, shed_date, watering_frequency_days, fertilizer_name, fertilizer_frequency_days, notes