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Mustard Greens

Brassica juncea

vegetable

verifiedReviewed by the GreenScout Team

Mustard greens are peppery, nutrient-dense leafy vegetables available in many varieties with crinkled, frilly, or smooth leaves. They grow quickly (30–50 days) and are excellent raw in salads or cooked as hearty greens. Mustard greens are highly cold-hardy and thrive in cool-season gardens.

Common Problems

Select the problem your Mustard Greens is experiencing to get a treatment guide.

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Yellow Leaveschevron_right

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Boltingchevron_right

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Holes In Leaveschevron_right

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Wiltingchevron_right

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Slow Growthchevron_right

Care Guide

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Light

Full sun to partial shade; 6+ hours of direct sun optimal; can tolerate afternoon shade

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Water

Keep soil consistently moist; water deeply 1–2 times per week; avoid waterlogging

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Soil

Well-draining, fertile soil rich in organic matter; pH 6.0–7.5; prefer loamy, nutrient-rich soil

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Fertiliser

Nitrogen-rich fertilizer; apply every 2–3 weeks or side-dress with compost for continuous growth

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Temperature

Cool-season crop; ideal 50–70°F; very cold-hardy (tolerates frost and light snow); bolts in heat above 75°F

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Humidity

Moderate humidity; tolerates drier conditions but prefers consistent moisture

Toxicity

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Mustard greens are safe and widely consumed as a nutritious cooked or raw vegetable

Common Diseases

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Common Pests

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Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

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Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.

Frequently Asked Questions

How cold-hardy are Mustard Greens?

Very — they tolerate frost and light snow, making them one of the most cold-hardy leafy greens for cool-season gardens, though they bolt if temperatures climb above 75°F.