Tyee

Family: Amaranthaceae Vegetable

Planting Schedule

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

Tender, quick-growing Tyee spinach unfurls into lush, deep-green leaves with a velvety, spoonable texture and a refreshingly mild, sweet flavor.

At about 40 days, the plants form a compact rosette that stays impressively uniform, making it a joy to harvest for fresh salads and vibrant sautés, or to fold into soups and sauces. For gardeners who love cool-season greens, Tyee delivers reliable performance and a clean, leafy bite that shines whether served lightly or simmered into comforting dishes.

Light: Full SunMaturity: 40 DaysHabit: Rosette

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Tyee 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	May 18th	Jun 15th	Jul 25th – Jul 15th
Zone 1b	May 4th	Jun 1st	Jul 11th – Aug 1st
Zone 2a	Apr 27th	May 25th	Jul 4th – Aug 29th
Zone 2b	Apr 17th	May 15th	Jun 24th – Aug 25th
Zone 3a	Apr 17th	May 15th	Jun 24th – Sep 1st
Zone 3b	Apr 21st	May 19th	Jun 28th – Sep 21st
Zone 4a	Apr 17th	May 15th	Jun 24th – Sep 24th
Zone 4b	Apr 15th	May 13th	Jun 22nd – Sep 27th
Zone 5a	Apr 10th	May 8th	Jun 17th – Sep 30th
Zone 5b	Apr 6th	May 4th	Jun 13th – Oct 5th
Zone 6a	Apr 3rd	May 1st	Jun 10th – Oct 10th
Zone 6b	Mar 28th	Apr 25th	Jun 4th – Oct 16th
Zone 7a	Mar 23rd	Apr 20th	May 30th – Oct 20th
Zone 7b	Mar 13th	Apr 10th	May 20th – Oct 28th
Zone 8a	Mar 4th	Apr 1st	May 11th – Nov 5th
Zone 8b	Feb 23rd	Mar 23rd	May 2nd – Nov 12th
Zone 9a	Feb 6th	Mar 6th	Apr 15th – Nov 26th
Zone 9b	Jan 12th	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	Full Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	50
Min Soil Temp (°F)	40
Min Night Temp (°F)	30
Harden Off (days)	6

Culinary Notes

Chef's Note

Tyee’s tender, velvety leaves wilt fast without getting stringy, so it stays lush in a hot pan and still tastes sweet rather than grassy. It’s the kind of spinach that folds cleanly into soups and creamy sauces while keeping a spoonable, green-coat texture.

Best Uses

quick sauté for silky wilt (finish with lemon and olive oil)
fold into soups and brothy stews at the end for bright color
blend into a smooth creamed spinach-style sauce
toss raw into salads where it stays tender and non-grassy

Flavor Profile

mild, sweet spinach savor velvety, spoonable tenderness clean, leafy bite that won’t turn bitter quickly

Kitchen Pairings

lemon olive oil garlic (avoid per pairing list) butter parmesan ricotta

Frequently Asked Questions

What pest or disease problem commonly affects Spinacia oleracea (spinach), and how can I manage it?

Spinach commonly suffers from downy mildew (often seen as yellow patches on top with fuzzy gray-purple growth underneath leaves) and leaf spots. Remove affected leaves right away, improve airflow, avoid overhead watering, and water at the soil line; if the problem persists, use a labeled fungicide that targets downy mildew on spinach per the product instructions. Watch for aphids on new growth—spray them off with a strong jet of water and consider insecticidal soap for heavy infestations.

During the main growing phase, how often should I water Spinacia oleracea and what soil moisture level should I maintain?

Keep the soil consistently moist but not waterlogged—aim for evenly damp beds so seedlings and young leaves don’t stall. In typical home gardens, this often means watering about 1–2 times per week, increasing to more frequent watering during hot spells, always checking that the top 1 inch of soil stays moist. Mulch lightly to reduce drying, and avoid letting the bed swing from dry to soggy, which can reduce leaf quality.

How do I know when Spinacia oleracea is ready to harvest (about 40 days to maturity)?

Harvest when leaves reach a usable size—generally around 30–45 days depending on temperature, with maturity after about 40 days. For best flavor, pick leaves before they bolt: choose plants with several full-sized leaves (not tiny cotyledons) and harvest in the morning when leaves are crisp. Use the “cut-and-come-again” method by cutting outer leaves with scissors, leaving the center growing point to produce more foliage.