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Florida Broadleaf Mustard Seeds

Scientific name Brassica juncea var. integrifolia

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Alliance of Native Seedkeepers  |  SKU: OR15

Seed packet & garden essentials

What to know before you plant

View complete growing & care facts
250 minimum seeds per packet
  • Maturity40-49 Days · 40-49 Days
  • Growth habitRosette · Annual · 19–24 in tall
  • Best usequick harvests, succession sowing, containers, cool seasons, and fresh greens
  • Flavor & characterTheir flavor is a harmonious blend of mild spice and earthy notes, a delightful combination that adds depth to salads and cooked dishes alike.
  • Germination4–7 Days days · 60–75 °F
  • Seed preparationUse clean seed-starting conditions, the listed sowing depth and temperature, and steady moisture without saturation
  • SunFull sun
  • Support & spacingNo-Support · space 8 in · rows 12 in
  • Container fitWell suited to containers when soil volume, drainage, sunlight, and regular moisture match the mature plant
  • Water needsModerate
  • SoilLoamy · pH 6.5–7.0
  • Planting seasonSpring · blooms Spring · Hardy
$200 USD
Secure checkout Details
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Triple-tested seed qualityRegular quality and germination checks support every packet.

We regularly test seed quality and germination as lots move through storage and packing. We stand behind the seed we send and want customers to contact us when a packet does not perform as reasonably expected.

1-year seed warrantyCoverage begins on the date of purchase.

When properly stored, planted, and cared for, we guarantee reasonable germination and true-to-type growth for one year from the date of purchase. Conditions outside our control—including extreme weather, pests, unsuitable storage, and gardener error—are excluded. Contact us when something is not right so we can review the situation and work toward a replacement, refund, or another fair resolution.

Non-GMO / BE seed policyWe do not buy or sell genetically engineered or bioengineered seed.

Every seed variety we sell is non-GMO.

USDA’s National Bioengineered Food Disclosure Standard defines bioengineered foods as containing detectable genetic material modified through in vitro recombinant DNA methods in ways not achievable through conventional breeding or found in nature.

  • Hybrid means parent lines were conventionally crossed; hybrid does not mean GMO.
  • Heirloom and open-pollinated describe how a variety is maintained and reproduced.
  • Organic certification is separate and is shown only when verified for the individual product.

Read how we define heirloom, hybrid, and GMO/BE seed · USDA BE Standard

Packed in Colerain, North CarolinaPrepared in our seed room for gardens across the country.

Seeds are packed and shipped from Colerain, North Carolina. Our packets use forestry-certified paper, and we use recyclable paper mailers where appropriate. AONSK is also a 1% for the Planet partner while continuing to reduce waste in packing and fulfillment.

Seed success profile

Rules-based · no AI
Gardener experience Very beginner-friendly
Germination difficulty Very straightforward
Preparation before sowing
Use clean seed-starting conditions, the listed sowing depth and temperature, and steady moisture without saturation
Germination speed
Typical — usually 7–21 days
Growing complexity
Quick crop that rewards cool conditions, succession sowing, thinning, and steady moisture
Patience and timing
40-49 Days
Is this seed a good match for your experience?
Expected germination
4–7 Days
Germination temperature
60–75 °F
Stratification
Not normally required by the current record
Scarification
Not normally required by the current record
Pre-soaking
Not normally required by the current record
Light during germination
Cover to the recorded depth; provide strong light immediately after emergence
Germination pattern
Usually reliable when seed is stored well and temperature, depth, moisture, and preparation match the recorded requirements
Transplant sensitivity
Use the crop-specific starting method and minimize unnecessary root disturbance
Starting method
Cataloged as suitable for direct sowing; follow the product-specific timing and depth.
Best chance of success
For Florida Broadleaf Mustard Seeds, control temperature and moisture at sowing, label the start date, and compare emergence with the complete recorded germination window before reseeding.
What to expect

Preparation: Use clean seed-starting conditions, the listed sowing depth and temperature, and steady moisture without saturation. Germination light: Cover to the recorded depth; provide strong light immediately after emergence. Expected emergence: 4-7 Days. Temperature: 60-75 °F.

Slow germination is not automatically failed germination.

Maintain the listed temperature, moisture, light, and treatment conditions for the full expected window. Some seed lots emerge gradually rather than all at once.

1 Beginner-friendly 2 One extra step 3 Some experience helpful 4 Patient growers 5 Advanced propagation

This deterministic profile uses recorded product facts; it is not Artificial Intelligence and is not a guarantee. Seed age, storage, sowing depth, moisture, temperature, light, local conditions, and aftercare can all affect results. Last reviewed July 2026.

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Open the detailed garden-fit planner Deterministic rules · no Artificial Intelligence · no live weather service

Complete product description

Florida Broadleaf Mustard Seeds

Florida Broadleaf mustard seeds promise a vibrant addition to your garden, offering lush, broad leaves that thrive in a variety of climates. These robust plants typically reach a height of 12 to 18 inches, providing a generous yield of tender, green leaves. Known for their rapid growth, Florida Broadleaf mustard matures in approximately 40 to 50 days, making them a quick and rewarding choice for gardeners eager to enjoy fresh greens.

The leaves of the Florida Broadleaf are smooth and broad, with a rich, dark green hue that deepens as they mature. Their flavor is a harmonious blend of mild spice and earthy notes, a delightful combination that adds depth to salads and cooked dishes alike. As a versatile kitchen staple, these mustard greens can be sautéed, stir-fried, or used as a fresh wrap, enhancing a wide range of culinary creations with their distinctive taste.

In addition to their culinary appeal, Florida Broadleaf mustard plants are known for their resilience and adaptability. They perform well in both cool and warm climates, making them an excellent choice for extended growing seasons. Whether planted in garden beds or containers, they require minimal care, thriving in well-drained soil with ample sunlight. Embrace the opportunity to cultivate these dynamic greens, enriching your garden and table with their robust flavors and nutritional benefits.

Minimum Seed Count: 250 seeds

Every recorded growing detail

Complete growing & care facts

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Plant identity

Minimum seed count 250 seeds
Seed product profile Leafy green
Scientific name Brassica juncea var. integrifolia
Also known as Mustard, Mustard Seeds - Florida Broadleaf
Life cycle Annual
Botanical family Brassicaceae
Reproductive type Open-Pollinated (OP)
Heritage qualifiers Heirloom
Native to the United States Domesticated Plant
Domestication note Mediterranean Basin

Seed success and gardener experience

Gardener experience Very beginner-friendlyLevel 1 of 5
Germination difficulty Very straightforwardLevel 1 of 5
Preparation before sowing Use clean seed-starting conditions, the listed sowing depth and temperature, and steady moisture without saturation
Stratification Not normally required by the current record
Scarification Not normally required by the current record
Pre-soaking Not normally required by the current record
Light during germination Cover to the recorded depth; provide strong light immediately after emergence
Germination pattern Usually reliable when seed is stored well and temperature, depth, moisture, and preparation match the recorded requirements
Growing complexity Quick crop that rewards cool conditions, succession sowing, thinning, and steady moisture
Transplant sensitivity Use the crop-specific starting method and minimize unnecessary root disturbance
First harvest or bloom 40-49 Days
Best chance of success For Florida Broadleaf Mustard Seeds, control temperature and moisture at sowing, label the start date, and compare emergence with the complete recorded germination window before reseeding.

Timing and climate

Days to maturity 40-49 Days
Germination 4–7 Days
Germination temperature 60–75 °F
Planting season Spring
Bloom season Spring
Frost tolerance Hardy
Sunlight Full sun
Water needs Moderate

Site, soil, and space

Soil type Loamy
Preferred soil pH 6.5–7.0
Seed depth 1/4 in
Plant spacing 8 in
Row spacing 12 in
Mature height 19–24 in
Growth habit Rosette
Support needed No-Support
Suitable growing locations In-ground bed, Raised bed, Greenhouse, High Tunnel, Containers, Community garden, Hydroponic, Indoor growing, Vertical

Crop-specific details

Flavor profile Their flavor is a harmonious blend of mild spice and earthy notes, a delightful combination that adds depth to salads and cooked dishes alike.

Garden-fit planning for this variety

Will Florida Broadleaf Mustard Seeds fit your garden?

Check cool-season timing, succession plans, shade, moisture, and harvest stage.

Rules-based · no AI
Questions for this leafy green seed
Seed-starting fit and patience
Recorded product profileVery beginner-friendlyVery straightforwardRead why
Soil test, pH, drainage, and amendment calculator Have a laboratory soil report? Enter pH, nutrients, texture, bed size, and site observations here. Open soil tools
Recorded soil typeLoamy
Recorded pH range6.5–7.0
Water needsModerate
LightFull sun

Use a current laboratory soil test

Soil-test interpreter

Compare your report with this product's listed pH target: 6.5–7.0.

This tool interprets values you enter; it does not replace laboratory or Cooperative Extension amendment rates. Soil test methods and nutrient recommendations vary by region.

The full variety record

Sowing, care, harvest, troubleshooting, and history

How to start Florida Broadleaf Mustard Seeds from seedPreparation, timing, depth, germination, transplanting, spacing, and early care

Variety-specific germination notes

Preparation: Use clean seed-starting conditions, the listed sowing depth and temperature, and steady moisture without saturation. Germination light: Cover to the recorded depth; provide strong light immediately after emergence. Expected emergence: 4-7 Days. Temperature: 60-75 °F.

Complete sowing and planting guidance

How to sow and plant Mustard: plant in prepared, well-drained soil after the recommended seasonal window for your area. Keep the seedbed evenly moist during germination, thin seedlings to the listed spacing, and mulch established plants to conserve soil moisture.
How to grow this specific varietyLight, water, fertility, support, spacing, airflow, crop behavior, and season-long care

Complete growing guide

How to grow Mustard: choose a site with the listed sunlight and soil requirements. Water consistently, avoid overcrowding, and monitor plants for pests, disease, and nutrient stress. Harvest at the proper stage for best flavor and seed quality.
Practical field and garden tipsExtra techniques, timing adjustments, and observations that improve success
Additional tips for Mustard: succession plant when appropriate, label varieties clearly, and keep good garden notes on germination, vigor, flavor, and harvest timing so you can compare varieties season to season.
Harvest, storage, uses, and benefitsWhen and how to harvest, ways to use the crop, storage, culinary value, habitat value, and garden roles

Uses and benefits

Uses and benefits of Mustard: grow for home gardens, seedkeeping, fresh harvests, culinary use, and biodiversity in the garden. Exact use depends on the variety and harvest stage.
Seed saving and carrying the variety forwardPollination, isolation, selection, harvest, cleaning, drying, and storage
Seed saving for Mustard: select healthy, true-to-type plants, allow seed to mature fully before harvest, dry seed thoroughly, and store in a cool, dry, labeled container. Isolate varieties as needed to prevent unwanted crossing.
Common pests, diseases, and growing problemsIdentification, prevention, crop-safe response, and when intervention is justified

Complete pest and problem guide

Common Pests & Problems — 'Florida Broadleaf' Mustard (Brassica juncea)Insects & MitesFlea Beetles (small holes in leaves, reduced vigor)Controls: Use floating row covers to protect young plants. Apply diatomaceous earth around seedlings. Introduce beneficial nematodes to target larvae in the soil. Rotate crops to disrupt life cycles.Cabbage Loopers (ragged holes in leaves, frass deposits)Controls: Handpick caterpillars in small plantings. Apply Bacillus thuringiensis (Bt) as a biological control. Encourage parasitic wasps by planting nectar-rich flowers nearby.DiseasesDowny Mildew (yellow patches on leaves, white fungal growth)Controls: Ensure good air circulation by spacing plants appropriately. Avoid overhead watering. Apply copper-based fungicides as a preventive measure. Rotate crops to prevent pathogen buildup.White Rust (white pustules on leaves, distorted growth)Controls: Remove and destroy infected plant debris. Maintain proper spacing to reduce humidity. Use resistant varieties when available. Apply sulfur-based fungicides at the first sign of disease.Physiological & Environmental IssuesBolting (premature flowering, reduced leaf quality)Causes: Triggered by temperature fluctuations and stress. Prevention: Plant in early spring or fall to avoid heat stress. Mulch to maintain consistent soil moisture and temperature. Choose bolt-resistant varieties for warmer climates.Monitoring & Prevention — Quick Checklist- Inspect plants regularly for signs of flea beetles and cabbage loopers.- Use row covers and diatomaceous earth to protect seedlings.- Space plants to ensure good air circulation and reduce disease risk.- Rotate crops annually to prevent disease and pest buildup.- Mulch and water consistently to prevent bolting.
Questions gardeners ask about this seedProduct-specific answers for sowing, care, harvest, use, and seed saving
Frequently Asked Questions — Mustard

Q: When should I plant Mustard?
A: Follow the planting season listed on this product page and adjust for your local frost dates.

Q: How deep should I sow the seeds?
A: Use the seed depth listed in the growing facts.

Q: Can I save seed from this variety?
A: Open-pollinated varieties can generally be saved when properly isolated and selected; hybrids may not grow true to type.
History, provenance, and cultural contextWhat is documented, what is reported, what remains uncertain, and how the variety reached gardeners

Scientific name: Brassica juncea var. integrifolia

Plant and variety history

Mustard Seeds - Florida Broadleaf belongs to a plant lineage long associated with Mediterranean and Old World garden agriculture. It was selected over generations for kitchen, market, ornamental, or herbal value and remains useful in modern home gardens.

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Helpful growing guides for this variety

Customer experience

Reviews for Florida Broadleaf Mustard Seeds

Customer Reviews

Based on 1 review
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T
Trisha

So far okay

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