Northern White

Garlic

Zone 4b Save Garden

Botanical illustration of Northern White

🌱 210d to harvest Bulbing

Northern White hardneck garlic unfurls with a clean, luminous presence—bulbs clothed in pale, parchment-white skins that feel cri…

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	May 13th
Transplant / Sow Outdoors	May 13th
Harvest Begins	Dec 9th
Harvest Ends	Sep 27th

Crop Details

Trait	Value
Days to Maturity	210
Sun Requirements	Full Sun
Growth Habit	Bulbing
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	50
Min Soil Temp (°F)	40
Min Night Temp (°F)	28
Harden Off (days)	Not Required

Recommended Companions

Frequently Asked Questions

How do I prevent and treat white rot in Allium sativum (garlic)?

White rot (Sclerotium cepivorum) causes yellowing, wilting, and often a white fungal growth with rotting roots near the soil line. Remove and discard infected plants, then avoid planting garlic/onions in the same spot for 5–7 years because the fungus can persist in soil. If you have had it before, plant into well-drained beds and mulch lightly to keep soil from staying constantly wet around the bulbs.

How often should I water Allium sativum during the main growing season, and what soil moisture level should I aim for?

From spring growth through bulb sizing, water deeply about 1–2 times per week only when the top 1 inch of soil is dry, keeping the root zone consistently moist but not waterlogged. Aim for steady moisture because garlic forms larger bulbs when soil doesn’t swing between very dry and saturated. Stop routine watering about 3–4 weeks before harvest so wrappers can dry down and bulbs cure properly.

How can I tell when Northern White garlic (Allium sativum) is ready to harvest?

Harvest when the lower leaves have yellowed and dried while the top 3–4 leaves still look green, usually around 210 days from planting in typical conditions. Check bulbs by gently lifting one—ready bulbs should have fully formed cloves with tight, papery skins. Don’t wait until all leaves are brown, because bulbs can split and store less well.

Northern White hardneck garlic unfurls with a clean, luminous presence—bulbs clothed in pale, parchment-white skins that feel crisp and substantial in the hand. Expect bold, aromatic flavor with a bright snap and a lingering savory depth, plus cloves that roast to a silky, spreadable tenderness. A standout for home growers seeking dependable cool-season performance and a reliable harvest at about 210 days, Northern White shines in sauces, infused oils, and pickling for a distinctly fragrant finish.

Sowing Tips

Transplant Conditions

Wait until soil reaches 40°F and nights stay above 28°F before moving outdoors.

Expert Note

Plant garlic cloves in fall so they root and overwinter, then send up strong growth in spring for best bulb size and storage quality.