Kale Seeds - Red Ursa
Best frost-hardy choice for gardeners seeking extended cool-season harvests.
Discover Red Ursa Kale seeds from Sow True Seed, a certified organic variety resulting from an award-winning cross between Red Russian and Siberian kales. This biennial vegetable features thick, slightly frilled leaves accented by distinctive reddish-purple veins. Gardeners appreciate its excellent flavor profile and notable frost-hardy nature, allowing for extended harvests. Each packet contains a minimum of 300 seeds, weighing 2 grams. Sow seeds indoors 4-6 weeks before the last frost or direct sow in late summer for a fall crop in rich, well-draining soil.
$4.75
Owner Satisfaction
4.7
/ 5
Category Rank
270
/ 5876
#270 in Seeds & Seed Tape
Price vs Category Average
-55%
Below average
Botanical Name
Brassica napus
/ Brassica napus
Who it's for
- Gardeners seeking ornamental beauty in edible landscapes
- Cool-climate growers wanting sweeter, frost-hardy greens
- Salad lovers preferring tender, non-fibrous kale leaves
Who should skip it
- Gardeners unable to commit to frequent pest monitoring
- Farmers in hot climates with inconsistent irrigation
- Urban growers with limited garden bed space
Performance breakdown
Frost Hardiness
Thrives well into late autumn, extending your fresh harvest window significantly.
Culinary Versatility
The tender, flavorful leaves excel in both raw salads and cooked dishes.
Germination Reliability
Certified organic stock ensures consistent, vigorous growth for home gardeners.
Planting Flexibility
Adaptable for both spring starts and late summer fall crop sowing.
Yield Potential
High seed count per packet provides an abundant supply for continuous harvesting.
Visual Appeal
Striking reddish-purple veins add aesthetic interest to any vegetable garden bed.
Key Specs
Botanical Name
Brassica napus
Minimum Seeds per Packet
300
Packet Weight
2g
Seed Depth
1/4 inch (0.635 cm)
Mature Spacing
18-24 inches (45.72-60.96 cm)
Sun Requirement
Full Sun to Part Shade
Days to Harvest
60
Water Requirement
At least one inch per week
Features
- Award-winning cross of Red Russian and Siberian kales
- Distinctive reddish-purple veining on leaves
- Excellent flavor for culinary use
- Highly frost hardy for extended seasons
- Certified organic seed stock
- Suitable for spring or fall planting
- Continuous harvest from established stalks
What customers say
Customers highly recommend Red Ursa kale seeds, praising their exceptional performance and aesthetic appeal. Reviewers consistently report near perfect germination, yielding vigorous seedlings with stunning deep red and purple ruffled leaves. The flavor profile receives strong acclaim, noted for being sweeter and less bitter than common varieties, particularly after frost. This kale demonstrates excellent cold hardiness, extending harvests into winter. The consensus is that these seeds offer outstanding value, delivering reliable results for both new and experienced gardeners who appreciate both beauty and superior taste.
Know before you buy
Red Ursa is an award-winning cross between Red Russian and Siberian kales. It is prized for its unique reddish-purple veins, thick frilled leaves, and a superior flavor profile that holds up well in the kitchen.
Red Ursa is highly frost-hardy, making it an excellent choice for extending your harvest into the late autumn or early winter. It can withstand cold temperatures that would typically damage more sensitive greens.
Yes, you can direct sow these seeds in late summer for a fall harvest. Alternatively, you can start them indoors 4-6 weeks before your last frost date if you prefer an earlier spring start.
To ensure proper airflow and growth, space your plants 18-24 inches apart. This spacing allows the plants to reach their full potential and makes harvesting the leaves easier.
Yes, these seeds are certified organic, ensuring they are grown and processed according to strict organic standards without the use of synthetic chemicals.
You can expect to begin harvesting your kale approximately 60 days after planting. Because it is a continuous producer, you can harvest outer leaves from established stalks over an extended period.
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