{
  "schema_version": 1,
  "record_type": "plant",
  "slug": "bok-choy",
  "common_name": "Bok choy",
  "botanical_name": "Brassica rapa Chinensis Group",
  "family": "Brassicaceae",
  "summary": "Bok choy, also called pak choi, is a fast cool-season brassica grown for crisp stalks and leaves before heat, drought or cold stress triggers bolting.",
  "categories": [
    "leaf vegetable",
    "brassica",
    "cool-season crop",
    "container crop"
  ],
  "growth_habits": [
    "upright rosette",
    "non-heading"
  ],
  "lifecycle": "Biennial usually grown as an annual",
  "difficulty": "Easy",
  "requirements": {
    "light": {
      "minimum_direct_sun_hours": 4,
      "preferred_direct_sun_hours": 6
    },
    "soil_ph": {
      "minimum": 6.0,
      "maximum": 7.5
    },
    "container": {
      "minimum_volume_litres": 4,
      "minimum_diameter_cm": 30,
      "plants_per_container": 1
    },
    "spacing": {
      "minimum_cm": 8,
      "maximum_cm": 30
    },
    "planting_out": {
      "minimum_reliable_temperature_c": 10,
      "frost_tolerant": true,
      "label": "Sow or plant",
      "note": "Established plants tolerate light frost, but prolonged chilling of young plants can induce bolting."
    },
    "harvest": {
      "typical_uk_months": [
        "June",
        "October"
      ]
    }
  },
  "sources": [
    {
      "id": "rhs-growing-pak-choi",
      "publisher": "Royal Horticultural Society",
      "url": "https://www.rhs.org.uk/vegetables/pak-choi/grow-your-own",
      "supports": [
        "types",
        "site",
        "sowing",
        "spacing",
        "containers",
        "watering",
        "bolting",
        "harvest"
      ]
    },
    {
      "id": "umn-growing-chinese-cabbage-bok-choy",
      "publisher": "University of Minnesota Extension",
      "url": "https://extension.umn.edu/vegetables/growing-chinese-cabbage-and-bok-choy",
      "supports": [
        "soil_ph",
        "rotation",
        "planting_out",
        "watering",
        "pests",
        "diseases",
        "harvest",
        "storage"
      ]
    },
    {
      "id": "ncsu-bok-choy",
      "publisher": "NC State Extension",
      "url": "https://plants.ces.ncsu.edu/plants/brassica-rapa-chinensis-group/common-name/bok-choy/",
      "supports": [
        "botanical_name",
        "family",
        "lifecycle",
        "light",
        "soil_ph",
        "container",
        "spacing",
        "frost_tolerance"
      ]
    }
  ]
}