Lawn Guardian

When to Plant Microgreens

Various species

leafy_greenZones 1–13beginner

Tiny, nutrient-dense seedlings harvested at the first true leaf stage. Intensely flavored and beautiful as garnish. Perfect for year-round indoor growing.

Planting calendar

Grown indoors year-round in trays; no frost date considerations; resow every 1-2 weeks for continuous supply

Spacing & harvest

Get microgreens planting dates for your exact zone

Lawn Guardian turns this guidance into a schedule timed to your USDA zone and this week's actual weather — and adapts every time you log what you've done.

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Sources: Purdue University Turfgrass Science: Use Growing Degree Days to Better Time Your Applications · University of Missouri Extension: Cool-Season Grasses: Lawn Maintenance Calendar · University of Minnesota Extension: Pre-emergent Herbicides for Crabgrass Control in Lawns