New Zealand Spinach

Zone 6b Save Garden

🌱 40d to harvest Spreading

Tender, succulent leaves emerge with a lush, spinach-like richness and a clean, gently sweet bite—ideal for warm-season gardens w…

Crop Dates

Milestone	Date
Start Indoors	Direct Sow
Last Frost	Apr 25th
Transplant / Sow Outdoors	Jun 6th
Harvest Begins	Jul 16th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	40
Sun Requirements	Full Sun
Growth Habit	Spreading
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	65
Min Night Temp (°F)	50
Harden Off (days)	7

Recommended Companions

Aonaga Jibai Cucumber

Fireball Marigold

Long Black Spanish Radish

Hokus Cucumber

Crimson Giant Radish

Sicilian Violet Radish

Frequently Asked Questions

What pest or disease commonly affects Spinacia oleracea (New Zealand spinach), and how can I control it at home?

New Zealand spinach is often troubled by downy mildew (typically as yellow patches that turn gray/purple underneath leaf surfaces) and by aphids that cluster on new growth. Remove and discard infected leaves immediately, water at the base to keep foliage dry, and improve airflow by spacing plants at sowing/ thinning. If you see active aphids, rinse them off with a strong stream of water and repeat every 1–2 days until colonies stop; for severe mildew, use a labeled fungicide appropriate for edible greens and follow the label re-entry interval.

How often should I water Spinacia oleracea during the main growing phase (about weeks 2–harvest)?

Keep the top 1 inch of soil consistently evenly moist, not soggy, from establishment through leaf harvest; this usually means watering 1–2 times per week depending on heat and soil, with more frequent watering in hot, drying weather. Use watering that soaks deeply at the root zone so plants don’t wilt between waterings, and avoid letting soil dry out completely because it can reduce leaf quality and trigger early bolting. Mulch lightly to reduce surface drying, but still monitor moisture closely.

How can I tell when Spinacia oleracea is ready to harvest?

Harvest when leaves are large enough to eat—typically around 35–45 days after sowing—picking the outer leaves first. Look for leaves that are fully expanded, tender, and not overly tough; if leaves start to look dull/thick or stems elongate rapidly, quality drops. For a continuous harvest, cut or pinch leaves regularly (leaving the center growing point intact) and stop once the plant begins vigorous flowering/budding.

Tender, succulent leaves emerge with a lush, spinach-like richness and a clean, gently sweet bite—ideal for warm-season gardens where leafy greens thrive. New Zealand Spinach forms vigorous, branching growth with fleshy, spoon-shaped foliage that stays pleasantly tender for repeated harvests, delivering a smooth texture that shines in quick skillet-style sautés, hearty soups, and vibrant sauces. Let it become your go-to green for fresh salads and lightly cooked dishes alike, bringing a steady supply of verdant flavor through the season.

Sowing Tips

Transplant Conditions

Wait until soil reaches 65°F and nights stay above 50°F before moving outdoors. Harden off for 7 days first.

Direct Sow Preferred

Sensitive roots — does not transplant well. If starting indoors, use biodegradable pots and disturb roots as little as possible when moving outdoors.

Expert Note

For New Zealand spinach (Tetragonia), warm weather is key—wait until nights are reliably warm and keep plants evenly watered to maintain tender, non-bitter leaves.