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White Icicle Radish Seeds

Scientific name Raphanus sativus var. radicula

About this variety

The snow-white heirloom of early spring. ‘White Icicle’ produces smooth, tapered roots 4–5 inches long with crisp, mild flavor and gentle spice. The flesh stays firm and juicy even in warm weather, making it a reliable choice for spring and summer gardens.Maturing in 25–30 days, this radish grows quickly and evenly, with slender roots ideal for fresh use...

Continue with the complete description
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Alliance Of Native Seedkeepers  |  SKU: RD10
$150 USD $200
25% OFF
Heirloom seed packet sale

$1.50, regularly $2.00. The sale price is already applied and carries into checkout. No code is needed. Coupon codes do not combine with this offer.

Pickup available at Bertie County Seeds

Usually ready in 2-4 days

At a glance

The facts most gardeners need first

View the full variety record
250 minimum seeds per packet
  • Germination3-7 Days days · 50–65 °F
  • Maturity30-39 Days · 30-39 Days
  • SunFull sun
  • Support & spacingNo-Support · space 3 in · rows 12 in
  • Growth habitRosette · Biennial · 13–18 in tall
  • Best usedirect-sown rows, cool-season beds, storage harvests, and careful thinning
Secure checkout Details
Generic
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-starting profileDifficulty, preparation, reliability, and timing Open

Seed success profile

Gardener experience Beginner-friendly
Germination difficulty Straightforward
Preparation before sowing
Use clean seed-starting conditions, the listed sowing depth and temperature, and steady moisture without saturation
Germination speed
3-7 Days
Growing complexity
Direct-sown or transplanted crop requiring loose soil, thinning, and careful moisture management
Patience and timing
30-39 Days
Is this seed a good match for your experience?
Expected germination
3-7 Days
Germination temperature
50–65 °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
Root crops are generally direct sown; alliums vary
Starting method
Cataloged as suitable for direct sowing; follow the product-specific timing and depth.
Best chance of success
For White Icicle Radish Seeds, control temperature and moisture at sowing, label the start date, and compare emergence with the complete recorded germination window before reseeding.
Planning window

Plan around 3-7 Daysat50–65 °F. Keep moisture, light, and preparation aligned with the sowing instructions below.

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

Seed age, storage, sowing depth, moisture, temperature, light, local conditions, and aftercare can affect results. Last reviewed July 2026.

Browse AONSK seed-starting and garden guides

Garden tools

Need a plan for your space?

Open the garden-fit planner or soil calculator only when you need them.

Open garden tools Uses this product’s recorded growing information. Local weather and garden conditions may vary.

About this variety

What to expect from White Icicle Radish Seeds

White Icicle Radish Seeds produce slender, white heirloom radish with crisp texture and mild heat for salads and garnishes.

Read the complete product descriptionTraits, flavor, garden use, variety notes, and the full catalog record

The snow-white heirloom of early spring. ‘White Icicle’ produces smooth, tapered roots 4–5 inches long with crisp, mild flavor and gentle spice. The flesh stays firm and juicy even in warm weather, making it a reliable choice for spring and summer gardens.

Maturing in 25–30 days, this radish grows quickly and evenly, with slender roots ideal for fresh use or pickling.

An old European favorite dating back centuries, ‘White Icicle’ remains the standard for elegance and versatility in long-rooted radishes.

Minimum Seed Count: 250 seeds

View all growing and care factsBotanical identity, timing, climate, soil, spacing, mature size, and crop-specific details

Plant identity

Minimum seed count 250 seeds
Seed product profile Root allium
Scientific name Raphanus sativus var. radicula
Also known as Radish, Radish Seeds - White Icicle
Color White
Life cycle Biennial
Botanical family Brassicaceae
Reproductive type Open-Pollinated (OP)
Heritage qualifiers Non-GMO
Native to the United States Domesticated Plant
Domestication note Mediterranean Basin

Seed success and gardener experience

Gardener experience Beginner-friendlyLevel 2 of 5
Germination difficulty StraightforwardLevel 2 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 Direct-sown or transplanted crop requiring loose soil, thinning, and careful moisture management
Transplant sensitivity Root crops are generally direct sown; alliums vary
First harvest or bloom 30-39 Days
Best chance of success For White Icicle Radish 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 30-39 Days
Germination 3-7 Days
Germination temperature 50–65 °F
Planting season Spring/Fall
Bloom season Spring
Frost tolerance Semi-Hardy
Sunlight Full sun
Water needs Moderate

Site, soil, and space

Soil type Loamy
Preferred soil pH 6.0–6.5
Seed depth 1/2 in
Plant spacing 3 in
Row spacing 12 in
Mature height 13–18 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 ‘White Icicle’ produces smooth, tapered roots 4-5 inches long with crisp, mild flavor and gentle spice.
Garden toolsOpen the garden-fit planner, planting-window questions, or soil calculator only when useful

Uses this product’s recorded growing information. Local weather, soil, and garden conditions may vary.

Garden-fit planning for this variety

Will White Icicle Radish Seeds fit your garden?

Check soil depth, texture, direct-sowing conditions, moisture, thinning, and season timing.

Questions for this root or allium seed
Seed-starting fit and patience
Recorded product profileBeginner-friendlyStraightforwardRead 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 range6.0–6.5
Water needsModerate
LightFull sun

Use a current laboratory soil test

Soil-test interpreter

Compare your report with this product's listed pH target: 6.0–6.5.

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.

Full growing record

Open only the section you need

How to start White Icicle Radish Seeds from seedPreparation, timing, depth, germination, transplanting, spacing, and early care

Recorded germination plan

Expected germination
3-7 Days
Germination temperature
50–65 °F

Complete sowing and planting guidance

How to sow and plant Radish: 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 Radish: 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 tips

Additional tips for Radish: 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:
White Icicle Radish (Raphanus sativus) is known for its long, white roots and mild flavor. It is often used in salads, sandwiches, and as a garnish.

Radishes provide vitamins, minerals, and antioxidants, supporting overall health. White Icicle Radishes are versatile in culinary applications, adding crunch and flavor to dishes.
Seed saving and carrying the variety forwardPollination, isolation, selection, harvest, cleaning, drying, and storage
Saving seeds from White Icicle Radish (Raphanus sativus):

1. Selecting Plants for Seed Saving:

Choose healthy plants with vigorous growth and well-formed roots.
Avoid plants showing signs of disease or poor growth.
2. Harvesting Seeds:

Timing: Allow the seed pods to mature and dry on the plant.
Collection: Harvest the dry seed pods before they start to shatter.
3. Drying Seeds:

Place the seed pods in a well-ventilated, dry area. Allow them to dry completely for one to two weeks.
4. Cleaning Seeds:

Separation: Open the seed pods and remove the seeds.
Inspection: Ensure seeds are clean and free from mold or pests.
5. Storing Seeds:

Containers: Store seeds in labeled paper envelopes or airtight containers.
Storage Conditions: Keep in a cool, dry, and dark place.
Viability: Use seeds within three to five years for best results.
6. Testing Seed Viability:

Test by placing seeds on a damp paper towel in a plastic bag in a warm place and check for germination.
Tips for Successful Seed Saving:

Isolation: Maintain distance between different radish varieties to prevent cross-pollination.
Pollinators: Encourage pollinators for better seed production.
Record Keeping: Keep detailed records of the process.
Problems and answersPests, diseases, troubleshooting, practical response, and product-specific questions

Complete pest and problem guide

Common pests and problems for Radish: monitor for chewing insects, sap-sucking insects, fungal leaf spots, damping off, poor germination from cold or dry soil, and stress from inconsistent watering. Use crop rotation, spacing, mulch, and good airflow to reduce pressure.

Questions gardeners ask

Frequently Asked Questions — Radish

Q: When should I plant Radish?
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: Raphanus sativus var. radicula

Plant and variety history

Radish Seeds - White Icicle 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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Customer experience

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