Garlic Growing Guide | Gardeningist

Growing profiles

Choose how this crop will be grown. Dimensions, spacing and timing belong to the selected profile—not to the species as a single universal value.

Hardneck garlic

Cold-hardy garlic type that normally produces a central scape.

Biological height: 60–120 cm (24–47 in) Source
Mature canopy: 10–20 cm (4–8 in) Source
Plant spacing: 10–18 cm (4–7 in) Source
Row spacing: 30–50 cm (12–20 in) Source
Layout: parallel rows · open ground Source
Support: Usually unnecessary
Container: At least 10 L (2.6 US gal) · 3 plant Source
Best germination temperature: Not established Source

Climate-relative calendar

Planning estimates become local dates after the gardener supplies frost dates and current conditions. Harvest and crop-removal dates are estimates: actual crop condition takes priority.

Plant Garlic7 days after first autumn frost to 21 days after first autumn frost Source Source

Begin harvesting Garlic220 days after sowing to 290 days after sowing Source

Finish harvesting Garlic14 days after first harvest to 30 days after first harvest

Remove Garlic cropthe expected end of harvest to 7 days after the expected end of harvest

Softneck garlic

Garlic type without a rigid central scape, generally favored in milder winters and for storage.

Biological height: 45–90 cm (18–35 in) Source
Mature canopy: 10–20 cm (4–8 in) Source
Plant spacing: 10–18 cm (4–7 in) Source
Row spacing: 30–50 cm (12–20 in) Source
Layout: parallel rows · open ground Source
Support: Usually unnecessary
Container: At least 10 L (2.6 US gal) · 3 plant Source
Best germination temperature: Not established Source