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SproutSmart Intelligent Garden Sowing

Nobel Giant Spinach

Spinach

Planting Schedule

Add Nobel Giant Spinach to your garden to build a schedule and get reminders.
Botanical illustration of Nobel Giant Spinach
40d to harvest

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.

Crop Dates

MilestoneDate
Start IndoorsApr 17th
Last FrostMay 15th
Transplant / Sow OutdoorsMay 15th
Harvest BeginsJun 24th
Harvest EndsSep 1st

Crop Details

TraitValue
Days to Maturity40
Sun RequirementsPart SunPartial sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)45
Min Soil Temp (°F)40
Min Night Temp (°F)30
Harden Off (days)6

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.
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.
Botanical illustration of Nobel Giant Spinach

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.