Komatsuna

VarietyBrassica rapa var. perviridis

Also called mustard spinach, Japanese mustard spinach, Brassica rapa

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Komatsuna
Photo: 日陰猫Joga at Japanese Wikipedia · CC BY-SA 3.0 · Wikimedia Commons

Fact sheet

every fact quoted from its source
Typebiennial

“Komatsuna earns its place in any garden through its exceptional resilience. It is a biennial plant” — Grow Komatsuna (Japanese Mustard Spinach) for a Fast, Year-Round Harvest — Seedy Farm

Days to germination25–30 days

“expect about 25-30 days in summer” — Grow Komatsuna (Japanese Mustard Spinach) for a Fast, Year-Round Harvest — Seedy Farm

Days to maturity50–70 days

“a slower 50-70 days in autumn” — Grow Komatsuna (Japanese Mustard Spinach) for a Fast, Year-Round Harvest — Seedy Farm

Germination temperature68–77 °F

“The ideal soil temperature for seed germination is between 20-25℃” — Grow Komatsuna (Japanese Mustard Spinach) for a Fast, Year-Round Harvest — Seedy Farm

LightPartial Shade (3-6 hours)

from Chinese cabbage · “☀️ Sun Partial Shade (3-6 hours)” — Chinese Cabbage Planting Guide | Zones, Dates & Tips

WaterHigh — keep soil consistently moist

from Chinese cabbage · “💧 Water High — keep soil consistently moist” — Chinese Cabbage Planting Guide | Zones, Dates & Tips

Soil pH6–7.5

from Chinese cabbage · “🧪 Soil pH 6 – 7.5” — Chinese Cabbage Planting Guide | Zones, Dates & Tips

Spacing24 in

from Chinese cabbage · “Between Plants 24"” — Chinese Cabbage Planting Guide | Zones, Dates & Tips

Propagationseed

“seeds in carefully managed fields” — Komatsuna: The Traditional Japanese Spinach

Ready whenyoung, tender leaves

“The young, tender leaves are excellent when used raw, mixed into salads with other greens to add a subtle, crisp bite” — Grow Komatsuna (Japanese Mustard Spinach) for a Fast, Year-Round Harvest — Seedy Farm

Edible partsflowers, stems, leaves

“Both the flowers and the tender stems of Komatsuna are edible” — Grow Komatsuna (Japanese Mustard Spinach) for a Fast, Year-Round Harvest — Seedy Farm

Keep away fromstrawberries, tomatoes

from Chinese cabbage · “❌ Keep Away From Strawberries Tomatoes” — Chinese Cabbage Planting Guide | Zones, Dates & Tips

Who grows this

No grower lists Komatsuna yet. Follow this card to hear when one does. Grow it yourself? Find your nursery and claim it.

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