VegetableSpinach
Giant Noble Spinach
Giant Noble Spinach is a heirloom variety that earns its regal name honestly: smooth, rich-green leaves that can stretch up to 25 inches long, making it one of the most dramatic spinach varieties you can grow. This non-GMO cultivar thrives in hardiness zones 3-10 and reaches harvest in just 40-49 days, delivering a subtly sweet flavor that deepens into savory richness when cooked. The substantial leaves hold their structure beautifully during cooking, making them exceptional for canning and freezing, while the long summer harvest window means you'll be picking this heirloom well into warm months.
Photo © True Leaf Market
Growing Conditions
USDA Zone
3-10
Sunlight
Full Sun
Soil
Well-drained, Fertile Loam, High Organic Matter
Growth Stats
TypeUpright
Spacing
6
Plant Profile
Sunlight
Full Sun
Water
—
Zones
3-10
Size
?in H x ?in W
Growth
—
Care
Moderate
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Highlights
Those enormous leaves are genuine and substantial, not just a marketing claim. Giant Noble Spinach produces thick, verdant foliage that stands up to cooking without wilting into mush, a quality that separates it from thinner-leaved varieties. The smooth leaf texture and subtly sweet character make it as attractive to eat fresh as it is valuable for preservation. You're looking at genuine heirloom genetics here, the kind of spinach that defined the category before industrial breeding took over.
Common Uses
Giant Noble Spinach excels at everything that requires substantial, sturdy leaves. Fresh salads showcase the tender young growth, but this variety truly reveals its purpose when cooked: wilting down into silky greens for soups, gratins, and side dishes where the thickness of the leaf provides real substance rather than stringy wisps. Home canners and freezers prize it specifically for preservation, since the big thick leaves retain their integrity through heat processing and frozen storage far better than delicate varieties. Cooked dishes benefit from that savory character that develops when the leaves are heated, making it superior to thinner spinaches for creamed preparations, pasta fillings, and baked dishes.
Growing Timeline
No timeline data available yet for this variety.
Care Instructions
Direct Sow
Direct sow Giant Noble Spinach seeds in early spring as soon as soil can be worked, or in late summer 8-10 weeks before your first fall frost. Plant in garden soil rich in organic matter, pressing seeds firmly into the earth and keeping them consistently moist until germination.
Harvesting
Begin harvesting individual outer leaves once plants reach 4-6 inches tall, typically 40-49 days from sowing, by snipping them at the base. This leaf-by-leaf approach encourages continued production throughout the long summer harvest window. Alternatively, cut entire plants at soil level once they reach full size, leaving a 1-inch stem to potentially regrow for a second cutting. Those distinctive large leaves are ready when fully expanded and deep green, at which point they've developed their full savory character.
Growing Calendar
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Companion Planting
Ecology & Traits
Edible
Scientific Classification
Spinacia oleracea
Family
Amaranthaceae
Genus
Spinacia
Growth Habit
Upright
Native Status
L48 (I)AK (I)CAN (I)
History & Origin
“Giant Noble Spinach exists in that rare category of heirlooms where we know it was valued enough to be preserved and passed along, yet its exact origins remain pleasantly mysterious. What we do know is that it earned the 'Noble' designation through its superior leaf quality and size, characteristics that made it worth saving by gardeners and seed keepers across generations. The name 'Smooth Leaf Spinach' speaks to deliberate selection for texture over time, reflecting how home gardeners and farmers chose which plants to save for seed based on what cooked best and stored longest. This variety represents the practical wisdom of pre-industrial agriculture, where a spinach's value wasn't measured in yield per acre but in how well it fed a family through the seasons.”