Lawn Guardian

When to Plant Fennel

Foeniculum vulgare

herbZones 4–10intermediate

Licorice-flavored herb with feathery foliage, edible bulb (Florence fennel), and seeds. Attracts beneficial insects including swallowtails. Should be planted away from most crops.

Planting calendar

Direct sow / transplant

2 weeks after your last spring frost.

Fall planting

8 weeks before your first fall frost.

Plant AWAY from most other crops as it inhibits their growth; best in its own area

Spacing & harvest

Companion planting

Keep away from

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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