Watermelon Radish Seeds
Best heirloom choice for home gardeners seeking colorful, mild-flavored root vegetables.
Brighten your garden with Watermelon Radish seeds, a rare heirloom daikon-type variety known for its striking appearance and refreshing flavor. Each root boasts green and white skin with a vivid pink-red interior, resembling a slice of watermelon. These radishes offer a mild, sweet taste, making them an approachable choice for all gardeners. They are a fast-growing, cool-season crop, maturing in about 55-60 days and storing well after harvest. Easy to grow in well-drained soil, they are perfect for adding beauty and practicality to your garden.
$3.49
Owner Satisfaction
4.6
/ 5
Category Rank
3087
/ 5592
#3087 in Seeds & Seed Tape
Price vs Category Average
-67%
Below average
Botanical Name
Raphanus sativus
/ Raphanus sativus
Who it's for
- Home cooks seeking visually striking and mild-flavored salad ingredients
- Impatient gardeners wanting fast-growing, rewarding vegetable crops
- Self-sufficient growers interested in harvesting seeds for future seasons
Who should skip it
- Beginners unwilling to manage common brassica pests and insects
- Gardeners living in regions with hot, unpredictable summer climates
- Meal planners requiring vegetables with long-term refrigerator shelf life
Performance breakdown
Visual Appeal
The striking pink interior provides an unmatched aesthetic for home gardens.
Growth Speed
Rapid maturation ensures a quick turnaround from sowing to harvest.
Culinary Versatility
Mild flavor profile excels in both raw salads and pickled preparations.
Germination Reliability
Consistent performance across a wide range of planting zones.
Storage Longevity
Roots maintain crisp texture and quality well after the initial harvest.
Heirloom Viability
Open-pollinated seeds allow for easy collection and future garden sustainability.
Key Specs
Botanical Name
Raphanus sativus
Planting Zones
2-12
Light
Full Sun
Soil Temp for Germination
50-70 Degrees F
Germination Time
5-7 Days
Planting Depth
1/4 Inch
Days to Harvest
21-40 Days
Seed Count (approximate)
170 to 250
Features
- Striking Appearance: Green-and-white skin with vivid pink-red flesh for a true “watermelon” look.
- Mild, Sweet Flavor: A refreshing alternative to spicy radishes—great for fresh eating or pickling.
- Reliable Harvest: Matures in 55–60 days with large, crisp roots that store well.
- Culinary Versatility: Ideal for salads, stir-fries, sushi, and Asian-inspired dishes.
- Heirloom Quality: Open-pollinated variety that can be seed-saved for future plantings.
- Fast-Growing Cool-Season Crop: Best sown in early spring or late summer.
- Easy to Grow & Store: Germinate quickly and perform beautifully in loose, fertile soil or raised beds.
What customers say
Customers consistently praise the Watermelon Radish Seeds by Survival Garden Seeds for their exceptional quality and ease of use. Gardeners frequently report high germination rates, leading to robust and healthy plants. Many appreciate how straightforward these seeds are to grow, yielding beautiful, flavorful radishes even for those new to gardening. The reliability of the seeds in producing a successful harvest stands out as a key positive, making them a trusted choice for cultivating this unique variety.
Know before you buy
No, Watermelon Radishes are known for a mild, sweet, and refreshing flavor profile. They lack the sharp heat typically associated with smaller, standard red radishes.
As a cool-season crop, these radishes perform best when sown in early spring or late summer. They thrive in soil temperatures between 50 and 70 degrees Fahrenheit.
While germination typically occurs within 5 to 7 days, the roots generally reach harvest maturity in approximately 55 to 60 days.
Yes, because this is an open-pollinated heirloom variety, you can successfully harvest and save the seeds to plant in future seasons.
They prefer loose, fertile, and well-drained soil. Raised beds are an excellent option for ensuring the soil is loose enough for the roots to expand properly.
Watermelon Radishes are known for their excellent storage capabilities. Once harvested, they can be kept in a cool, dark place or the refrigerator to maintain their crisp texture for an extended period.
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