Plant Spacing Sources & Research
Every default plant preset in our calculator is based on trusted university agricultural guides and gardening research.
Vegetable Crop & Field Planning Guides
Guidelines for vegetable plant and row spacing, bush vs. climbing tomatoes, sweet corn pollination blocks, and thinning carrots and root vegetables.
Planting and Establishing Hedges
Spacing guidelines for formal and informal privacy hedges, double zigzag planting rows, and helping new shrub roots establish.
Ground Cover Selection and Care
Groundcover spacing guidelines, starter tray plant densities (32, 50, 72 plugs), and how perennial flowers spread to block weeds.
Vegetable & Fruit Production Solutions
Warm-climate vegetable spacing, shading soil to prevent sunscald on bell peppers, and proper trellis staking.
Apple Orchard Tree Spacing
Fruit tree spacing based on mature tree size: dwarf trees (3–6 ft), semi-dwarf trees (12–16 ft), and full-sized standard trees (20–25+ ft).