Nobel Giant Spinach

Family: Amaranthaceae Vegetable

Planting Schedule

Provide your location or planting zone to unlock dates and add Nobel Giant Spinach to a garden.

Sink your senses into Nobel Giant Spinach’s lush, velvety foliage—deep, cool-green leaves that unfurl with a tender, succulent bite.

At maturity in about 40 days, the plants form an impressive rosette of broad, smooth-to-slightly crinkled leaves that hold their freshness for satisfying, spoonable greens. Ideal for gardeners who want a bold harvest from a cool-season window, Nobel Giant Spinach shines in fresh salads, quick sauté-style preparations, and creamy sauces alike.

Light: Part SunMaturity: 40 DaysHabit: Rosette

Botanical illustration of Nobel Giant Spinach

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Nobel Giant Spinach 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	May 4th	Jun 1st	Jul 11th – Aug 1st
Zone 2a	Apr 27th	May 25th	Jul 4th – Aug 29th
Zone 2b	Apr 17th	May 15th	Jun 24th – Aug 25th
Zone 3a	Apr 17th	May 15th	Jun 24th – Sep 1st
Zone 3b	Apr 21st	May 19th	Jun 28th – Sep 21st
Zone 4a	Apr 17th	May 15th	Jun 24th – Sep 24th
Zone 4b	Apr 15th	May 13th	Jun 22nd – Sep 27th
Zone 5a	Apr 10th	May 8th	Jun 17th – Sep 30th
Zone 5b	Apr 6th	May 4th	Jun 13th – Oct 5th
Zone 6a	Apr 3rd	May 1st	Jun 10th – Oct 10th
Zone 6b	Mar 28th	Apr 25th	Jun 4th – Oct 16th
Zone 7a	Mar 23rd	Apr 20th	May 30th – Oct 20th
Zone 7b	Mar 13th	Apr 10th	May 20th – Oct 28th
Zone 8a	Mar 4th	Apr 1st	May 11th – Nov 5th
Zone 8b	Feb 23rd	Mar 23rd	May 2nd – Nov 12th
Zone 9a	Feb 6th	Mar 6th	Apr 15th – Nov 26th
Zone 9b	Jan 12th	Feb 9th	Mar 21st – Dec 9th
Zone 10a	—	Oct 1st	Nov 10th – Feb 28th
Zone 10b	—	Oct 1st	Nov 10th – Feb 28th
Zone 11a	—	Oct 1st	Nov 10th – Feb 28th
Zone 11b	—	Oct 1st	Nov 10th – Feb 28th
Zone 12a	—	Oct 1st	Nov 10th – Feb 28th
Zone 12b	—	Oct 1st	Nov 10th – Feb 28th
Zone 13a	—	Oct 1st	Nov 10th – Feb 28th
Zone 13b	—	Oct 1st	Nov 10th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	40
Sun Requirements	Part Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	45
Min Soil Temp (°F)	40
Min Night Temp (°F)	30
Harden Off (days)	6

Culinary Notes

Chef's Note

Nobel Giant Spinach is built for that first hot spoonful: broad, tender leaves wilt fast yet keep a silky, edible body instead of collapsing into stringy mush. Its mild sweetness means it plays well in creamy reductions—just don’t drown it; let the lemon or nutmeg sharpen the green.

Best Uses

sautéed down for a glossy side with butter and a squeeze of lemon
creamy spinach sauce where the leaves disappear into a thick, spoon-coating consistency
warm spinach salad that holds dressing briefly without turning watery
wilted layer in pasta or lasagna for even, tender greens

Flavor Profile

tender, succulent bite sweet, cool-green flavor with mild bitterness velvety leaf texture quick to wilt but stays spoonable

Kitchen Pairings

lemon garlic chives butter parmesan nutmeg olive oil

Frequently Asked Questions

What pest or disease commonly affects Spinacia oleracea (Nobel Giant Spinach), and how do I manage it at home?

Spinach commonly suffers from downy mildew (often first seen as pale yellow spots on leaves with a gray-purple growth on the underside). Remove and discard affected leaves early, then improve airflow around plants and avoid overhead watering. If problems are spreading, apply a labeled fungicide that includes downy mildew control for leafy greens, following the label’s waiting period before harvest.

During the main growing phase, how often should I water Nobel Giant Spinach to keep soil moisture right?

Keep the top 1–2 inches of soil evenly moist, because Spinacia oleracea dries out quickly and that can trigger bitterness and early bolting. In typical home gardens, water about 1–1.5 inches per week total, adjusting to rainfall and heat so plants don’t get long dry spells; check soil moisture daily in warm periods. Water at the soil line to keep leaves as dry as possible, especially during humid weather.

How can I tell when Nobel Giant Spinach (Spinacia oleracea) is ready to harvest?

Harvest when leaves are large enough to eat and feel firm (typically around 40 days from sowing for full-size leaves). Pick outer leaves first to keep the plant producing, cutting with clean scissors at the base of each leaf. If leaves start tasting harsh or the plant bolts with a flowering stalk, harvest immediately and stop waiting for additional size.