Data sources

How the crop data is compiled

The library combines public growing references with consistent editorial ranges. Each crop profile identifies the source group used for its parameters.

Source groups

Reference categories

Source codes on a crop page point to one or more of the groups below.

S1

Public extension guidance

General crop guidance from university extension services and public agricultural programs.

  • Planting windows
  • Spacing
  • Water and harvest ranges
S2

Seed and nursery references

Variety-neutral growing information from seed suppliers, nurseries, and seed catalogues.

  • Germination
  • Container depth
  • Support needs
S3

Garden reference literature

Common home-garden reference material for crop habits, care, and troubleshooting.

  • Growth habit
  • Watering notes
  • Season context
S4

Crop dataset normalization

A structured 67-crop dataset used to make labels and ranges consistent across the site.

  • Metric units
  • Crop grouping
  • Harvest basis

Method

Normalized, practical ranges

Collect

Extract crop-level parameters from public extension, seed, and garden references.

Normalize

Convert values to consistent units, labels, and season groups so crops can be compared.

Review

Treat the result as a planning range and prefer conservative guidance when sources disagree.