Kettle River Giant

Family: Amaryllidaceae Vegetable

Planting Schedule

Provide your location or planting zone to unlock dates and add Kettle River Giant to a garden.

Sink your senses into Kettle River Giant’s bold, lingering aroma—rich, pungent, and unmistakably hardneck.

At maturity, it forms large, well-filled bulbs with a creamy, satiny texture and deep clove character that shines when roasted for mellow sweetness or used fresh for bright, assertive flavor in sauces and pickles. A standout for gardeners who want impressive size and dependable performance, Kettle River Giant rewards with a confident harvest and a pantry-worthy presence.

Light: Full SunMaturity: 240 DaysHabit: Bulbing

Botanical illustration of Kettle River Giant

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Kettle River Giant Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Protected Environment Only
Zone 2a	Protected Environment Only
Zone 2b	Protected Environment Only
Zone 3a	Protected Environment Only
Zone 3b	Protected Environment Only
Zone 4a	Protected Environment Only
Zone 4b	Protected Environment Only
Zone 5a	Protected Environment Only
Zone 5b	Protected Environment Only
Zone 6a	Protected Environment Only
Zone 6b	Protected Environment Only
Zone 7a	Protected Environment Only
Zone 7b	Protected Environment Only
Zone 8a	Protected Environment Only
Zone 8b	Protected Environment Only
Zone 9a	Direct Sow	Jan 23rd	Sep 20th – Nov 26th
Zone 9b	Direct Sow	Dec 29th	Aug 26th – Dec 9th
Zone 10a	—	Oct 1st	Feb 28th – Feb 28th
Zone 10b	—	Oct 1st	Feb 28th – Feb 28th
Zone 11a	—	Oct 1st	Feb 28th – Feb 28th
Zone 11b	—	Oct 1st	Feb 28th – Feb 28th
Zone 12a	—	Oct 1st	Feb 28th – Feb 28th
Zone 12b	—	Oct 1st	Feb 28th – Feb 28th
Zone 13a	—	Oct 1st	Feb 28th – Feb 28th
Zone 13b	—	Oct 1st	Feb 28th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	240
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)	25
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

Kettle River Giant is hardneck big-clove garlic—its aroma hits first and lingers, then turns luxuriously sweet and spreadable under heat. Use it roasted for a creamy, mellow paste, or raw/smashed for a sharp, clean bite that cuts through fat and makes sauces feel louder.

Best Uses

roast the whole bulb until spreadable—sweet, silky paste for toast or mash
mince and bloom in olive oil or butter for assertive sauces
fresh smash-and-mix into vinaigrettes or quick pickles
slow-simmer into stews and braises for rounded, savory depth

Flavor Profile

bold pungency with a long, aromatic finish big, creamy-satiny clove texture sweet-mellow when roasted bright bite when used raw or lightly cooked

Kitchen Pairings

olive oil butter lemon juice black pepper parmesan roasted meats

Frequently Asked Questions

What pest or disease is most likely on Allium sativum (garlic), and how can I manage it?

One common issue is white rot (Sclerotium cepivorum), which causes yellowing, wilting, and white fungal growth on roots and the base of the bulb. Remove and discard affected plants, avoid replanting garlic or other Allium in the same bed for 7–10 years, and keep soil evenly moist but not waterlogged to reduce stress. If you spot early symptoms, dig out plants promptly to limit spread.

How often should I water Allium sativum during the main growing phase?

During active leaf growth and bulb development, water deeply about 1 inch per week, adjusting for rainfall, so the soil stays consistently moist but drains well. Let the top 1–2 inches of soil dry slightly between waterings to prevent bulb-base rots. In the final 3–4 weeks before harvest, taper off watering to keep the bulbs from staying too wet.

How do I tell when Kettle River Giant garlic (Allium sativum) is ready to harvest?

Harvest when the lower leaves have yellowed and died back to about 3–5 green leaves remaining, typically around 240 days from planting. Stop watering once the tops are drying down, and lift bulbs on a dry day so skins aren’t coated with wet soil. If you gently brush away soil, mature bulbs should feel firm and well-filled with distinct cloves.