SproutSmart
SproutSmart Intelligent Garden Sowing

F1 Hybrid

Spinach
Botanical illustration of F1 Hybrid
🌱 40d to harvest Rosette

Tender, velvety flat leaves unfurl in a lush, dark green rush—so quick to mature that you’ll be harvesting at peak sweetness in a…

Planting Schedule

Add F1 Hybrid to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostJan 1st
Transplant / Sow OutdoorsJan 1st
Harvest BeginsFeb 10th
Harvest EndsDec 31st

Crop Details

TraitValue
Days to Maturity40
Sun RequirementsFull SunFull sun
Growth HabitRosette
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)40
Min Night Temp (°F)30
Harden Off (days)Not Required

Frequently Asked Questions


What pest or disease commonly affects Spinacia oleracea, and how can I control it at home?
Watch for downy mildew and leaf spots, which show up as yellow patches, gray/purple growth on the underside, or dark spotting on leaves. Remove badly affected leaves immediately and improve airflow by spacing plants properly; avoid overhead watering so foliage stays dry. If the problem keeps spreading, use a labeled fungicide for leafy greens and follow the label reapplication interval.
How often should I water Spinacia oleracea during the main growing phase (about weeks 2–6)?
Keep the soil consistently evenly moist, not soggy—spinach prefers a cool, damp root zone throughout growth. In typical home gardens this usually means watering 1–2 times per week, increasing to 2–3 times during hot or windy spells, with enough water to wet the top 2–4 inches. Mulch lightly after plants establish to reduce drying, and stop letting the surface dry out completely between waterings.
How do I know when Spinacia oleracea is ready to harvest?
Harvest at about 40 days when leaves reach usable size (often 4–6+ inches long) and before plants bolt or form flower stalks. For baby leaves, cut outer leaves with scissors, leaving the center growing point to regrow for several pickings. If you notice rapid stem elongation or tight, rising centers, harvest immediately to avoid bitter, tough leaves.
Botanical illustration of F1 Hybrid

Tender, velvety flat leaves unfurl in a lush, dark green rush—so quick to mature that you’ll be harvesting at peak sweetness in about 40 days. F1 Hybrid spinach forms an even, upright rosette with a smooth, succulent texture and a mild, clean flavor that shines in fresh salads and wilts beautifully for warm dishes. Ideal for gardeners who want consistent, market-ready leaf quality from the first cut to the next.

Sowing Tips

Transplant Conditions

Wait until soil reaches 40°F and nights stay above 30°F before moving outdoors.

Expert Note

For best flavor and bolt resistance, keep spinach cool and sow as early as the soil can be worked, with short successions every 2 weeks.