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SproutSmart Intelligent Garden Sowing

Noble Spinach

Spinach
Botanical illustration of Noble Spinach
🌱 40d to harvest Rosette

Velvety, deeply savoyed leaves unfurl with a rich, dark-green glow and a tender, succulent bite that feels almost plush in the ha…

Planting Schedule

Add Noble Spinach to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsDec 19th
Last FrostJan 16th
Transplant / Sow OutdoorsJan 16th
Harvest BeginsFeb 25th
Harvest EndsDec 19th

Crop Details

TraitValue
Days to Maturity40
Sun RequirementsPart SunPartial sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)55
Min Soil Temp (°F)40
Min Night Temp (°F)28
Harden Off (days)6

Frequently Asked Questions


What’s the most common pest or disease for Spinacia oleracea (noble spinach), and how do I control it?
Spinach commonly gets downy mildew (often starting as yellow patches on leaves with fuzzy growth underneath) and can also be hit by aphids. Remove affected leaves immediately and improve airflow; water the soil, not the foliage. If aphids appear, rinse them off with a strong jet of water and use insecticidal soap if needed, repeating every 5–7 days until they’re gone.
How often should I water noble spinach during its main growth period?
Keep the top 1–2 inches of soil consistently moist but not soggy, especially once seeds emerge and until harvest at about 40 days. In most gardens this means watering deeply about 2–4 times per week depending on heat and soil type, aiming for steady moisture rather than letting it dry out then flood. If the soil dries and then re-wets, spinach is more likely to bolt, so mulch lightly to buffer moisture.
How can I tell when Spinacia oleracea (noble spinach) is ready to harvest?
Harvest when leaves are about 4–6 inches long and still tender, usually around 40 days from sowing. For baby leaf, pick the outer leaves as they reach size and leave the center to keep growing; for a fuller harvest, cut plants at the base when most leaves are that same tender size. If you see leaf stems elongating or the plant starting to flower, harvest immediately because quality drops fast as it bolts.
Botanical illustration of Noble Spinach

Velvety, deeply savoyed leaves unfurl with a rich, dark-green glow and a tender, succulent bite that feels almost plush in the hand. Noble Spinach delivers dependable 40-day performance, building a full rosette of crisp texture that shines in fresh salads and quick sautés, and holds its color beautifully for steaming, soups, and creamy sauces. Grow it for a garden-to-table harvest that tastes clean, sweet, and unmistakably vibrant.

Sowing Tips

Transplant Conditions

Wait until soil reaches 40°F and nights stay above 28°F before moving outdoors. Harden off for 6 days first.

Expert Note

For best flavor and slow bolting, keep seedlings cool and transplant only when nights are consistently above freezing.