Tyee Spinach

Spinach

45d to harvest

Tender, fast-growing Tyee Spinach arrives with a lush, velvety leaf that feels almost butter-soft between the fingers. Its flavor is sweet and pleasantly mild, with a clean green finish that shines in quick sautés, steaming, and fresh tosses—ideal for salads and bright spring bowls. Sow for a steady harvest over cool weeks, and enjoy leaves that hold their texture beautifully for sauces and quick pan meals.

Crop Dates

Growing note: In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).

Milestone	Date
Start Indoors	—
Climate	Frost-Free Climate
Transplant / Sow Outdoors	Oct 1st
Harvest Begins	Nov 15th
Harvest Ends	Feb 28th

Crop Details

Trait	Value
Days to Maturity	45
Sun Requirements	Part Sun
Growth Habit	Rosette
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	40
Min Night Temp (°F)	28
Harden Off (days)	6

Frequently Asked Questions

What pests or diseases commonly hit spinach (Spinacia oleracea), and how can I address them at home?

In spinach, watch for downy mildew and leaf spot, which show up as yellowing or gray/pale spots that spread during cool, damp weather. Improve airflow by thinning to recommended spacing and water at the base early in the day, then remove and discard badly infected leaves to slow spread. If you see a lot of leaf spotting or downy mildew, treat promptly with an appropriate labeled fungicide for leafy greens and follow the label’s interval before harvest.

How often should I water Spinacia oleracea during the main growing phase so it stays tender?

During the 30–45 day growing window, keep the root zone consistently evenly moist—aim for about 1 inch of water per week total, adjusting for rainfall and heat. Water lightly but more frequently during dry spells so soil doesn’t swing from dry to soggy; spinach roots shallowly, so dry soil leads to early bitterness and bolting. Part-sun beds can dry unevenly, so check moisture 1–2 inches down and water when it feels slightly dry at that depth.

How can I tell when Tyee spinach (Spinacia oleracea) is ready to harvest?

Harvest when leaves are 3–6 inches long and the plant is well leaf-filled but before it starts to shoot up a flower stalk. For best tenderness, pick in the morning and remove only outer leaves first (cut or pinch) to let the center keep producing. Use your 45-day target as a guide, but don’t wait for full maturity if leaves reach usable size earlier—early, repeated cut-and-come-again harvests keep quality high.