Mustard Seeds, Southern Giant Curled
Southern Giant Curled Mustard still on the plant.
Close-up Southern Giant Curled Mustard
Mustard Seeds, Southern Giant Curled
Mustard Seeds, Southern Giant Curled
Southern Giant Curled Mustard still on the plant.
Close-up Southern Giant Curled Mustard
Mustard Seeds, Southern Giant Curled

Mustard Seeds,
Southern Giant Curled

4.629 ReviewsSKU: #OG110Min. seed count: 200
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Description

(Brassica juncea). Large, upright plants with crumpled leaves that have a delicious mustard taste; slow to bolt and very easy to grow. An old heirloom from the Southern U.S. and makes a mighty swell mess of greens.

Growing Tips:Southern Giant Curled mustard prefers cool weather and can tolerate light freezes. For best results, plant in full sun to partial shade, 6-12 hours of sun daily, and ensure the soil is well-drained and rich in organic matter. Regular watering is essential to keep the soil consistently moist but not waterlogged.

Plant Details

Botanical Name
Brassica juncea
Sun Requirement
6–12 hr.
Days to Germinate
5–8
Days to Maturity
50
Planting Depth
¼ in.
Plant Spacing
12 in.
Ideal Temperature
55–70°F
Frost Hardy
Yes

When to Grow

Southern Giant Curled mustard should be planted in early spring or late summer to early fall. In most US zones, planting is ideal from March to April and again from August to September. Check local frost/freeze dates to optimize planting times.

How to Sow and Plant

  • Direct sow seeds around the time of last frost and succession sow every 2-4 weeks for a consistent supply.
  • Ideal germination temperature is 45-85 F.
  • Alternatively, you can start seeds indoors 4-6 weeks before last frost date and transplant out after last frost.
  • Sow seeds 1/4-1/2 inch deep. Spacing will depend on variety; typically 12-18 inch final spacing for full-headed varieties will suffice, and 6-10 inches for smaller headed or open, leafy types.
  • Succession sow every 2-4 weeks.
  • Seeds germinate in 4-7 days.

How to Grow

  • Provide full sun.
  • Tolerant of average soils, and an amendment of organic matter like well-rotted compost is ideal.
  • Average water needs.
  • Harvest may depend on variety. Most mustards can be harvested by snapping off individual leaves or cutting the entire plant for cut-and-come-again greens.
  • Some varieties may bolt in excessive heat of summer. In this case, wait until late summer/early fall to resume planting for another cool weather harvest.

PESTS/SPECIAL CONSIDERATIONS

  • Mustards can be susceptible to a few diseases such as powdery mildew and white mold; prevent by rotating your crop planting.
  • Do not plant brassicas in the same place over and over.

How to Save Seeds

Brassica juncea is capable of self pollinating, but insects can cross pollinate the flowers with other varieties of B. juncea if growing within a 2-mile radius. If saving seeds, isolate the plants from other B. juncea varieties by 2 miles.

To save the seeds, allow pods to brown, dry, and become crispy. Shake dry pods into a paper bag to remove seeds. Store seeds in a cool, dark, dry location.

FAQ

When can I sow Southern Giant Curled?

Direct sow around the time of last frost and succession sow every 2–4 weeks for a consistent supply, setting seed ¼ in. deep at a final spacing of about 12 in. Seeds come up in 5–8 days, and this mustard prefers cool weather and can tolerate light freezes.

How do I harvest Southern Giant Curled greens?

The large, upright plants are ready in about 50 days. Harvest by snapping off individual leaves or cutting the entire plant for cut-and-come-again greens — the crumpled leaves have a delicious mustard taste and make a mighty swell mess of greens.

Will Southern Giant Curled bolt in hot weather?

This old Southern heirloom is slow to bolt, though mustards in general may bolt in the excessive heat of summer. If that happens, wait until late summer or early fall to resume planting for another cool-weather harvest.
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