F1 Spinach

Family: Amaranthaceae Leafy Green

Planting Schedule

Provide your location or planting zone to unlock dates and add F1 Spinach to a garden.

Unfurl tender, flat leaves with a lush, velvety sheen and a fresh, spinach-sweet flavor that feels vibrant straight from the garden.

F1 Spinach forms an even, compact rosette of broad, smooth foliage—ideal for quick harvest at about 40 days—delivering a satisfying, crisp-tender texture that holds its character beautifully. Grow it for standout salads and bright sauté-style dishes, as well as silky purées and savory sauces where its gentle sweetness shines.

Light: Part SunMaturity: 40 DaysHabit: Rosette

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F1 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	Direct Sow	Jun 1st	Jul 11th – Aug 1st
Zone 2a	Direct Sow	May 25th	Jul 4th – Aug 29th
Zone 2b	Direct Sow	May 15th	Jun 24th – Aug 25th
Zone 3a	Direct Sow	May 15th	Jun 24th – Sep 1st
Zone 3b	Direct Sow	May 19th	Jun 28th – Sep 21st
Zone 4a	Direct Sow	May 15th	Jun 24th – Sep 24th
Zone 4b	Direct Sow	May 13th	Jun 22nd – Sep 27th
Zone 5a	Direct Sow	May 8th	Jun 17th – Sep 30th
Zone 5b	Direct Sow	May 4th	Jun 13th – Oct 5th
Zone 6a	Direct Sow	May 1st	Jun 10th – Oct 10th
Zone 6b	Direct Sow	Apr 25th	Jun 4th – Oct 16th
Zone 7a	Direct Sow	Apr 20th	May 30th – Oct 20th
Zone 7b	Direct Sow	Apr 10th	May 20th – Oct 28th
Zone 8a	Direct Sow	Apr 1st	May 11th – Nov 5th
Zone 8b	Direct Sow	Mar 23rd	May 2nd – Nov 12th
Zone 9a	Direct Sow	Mar 6th	Apr 15th – Nov 26th
Zone 9b	Direct Sow	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)	Not Required

Culinary Notes

Chef's Note

This F1 spinach is built for speed: its broad, smooth leaves turn tender without collapsing into mush, so it stays vivid in a warm sauté or a dressed salad. Use it like a green switch—bright lemon and butter lift that spinach-sweet flavor, while parmesan/ricotta help carry it into creamy purées and fillings.

Best Uses

quick wilted sautés with garlic and butter (no long cooking needed)
warm salads where the leaves stay bright and only partially wilt
blended purées for green sides and soup base
silkily thick purées for dumplings/pasta fillings

Flavor Profile

fresh spinach-sweet flavor crisp-tender snap gentle, clean vegetal bitterness silky leaf texture when wilted

Kitchen Pairings

garlic lemon butter parmesan olive oil ricotta

Frequently Asked Questions

What pest or disease most commonly affects Spinacia oleracea (F1 spinach), and how can I treat it at home?

Spinach commonly suffers from downy mildew (often favored by cool, damp weather), showing yellow patches on leaves with a gray-purple growth on the underside. Remove and discard infected leaves right away, improve airflow, and avoid wetting foliage when watering. If you’re seeing active mildew, switch to a preventive protectant labeled for spinach (follow the label rate and reapply as directed).

How often should I water F1 spinach (Spinacia oleracea) during active growth to keep soil moisture right?

During the main growing phase, keep the top 1 inch of soil consistently evenly moist—spinach roots dry out quickly and stress can reduce leaf size. In typical cool weather, this is often about 1–2 times per week, but water whenever the soil surface begins to dry, then water thoroughly. Avoid soggy beds; good drainage is important to reduce mildew risk.

How do I tell when F1 spinach (Spinacia oleracea) is ready to harvest?

Harvest when leaves are tender and fully expanded but before they start getting tough or forming a strong central stem. For most F1 spinach, this is around 40 days from sowing (varies by temperature), and you can start picking at the first healthy leaf clusters rather than waiting for maturity of the whole row. Use scissors to cut the outer leaves or the whole plant, leaving the crown if you want potential for regrowth (when bolting hasn’t started).