Lawn Guardian

When to Plant Watercress

Nasturtium officinale

leafy_greenZones 3–10intermediate

Peppery, nutrient-rich aquatic green traditionally grown near running water. Can also be grown in consistently wet garden soil or containers with standing water.

Planting calendar

Direct sow / transplant

2 weeks before your last spring frost.

Fall planting

6 weeks before your first fall frost.

Needs constant moisture; grow in shallow water or very wet soil; prefers cool conditions

Spacing & harvest

Companion planting

Plant near

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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