Flowering Kale Seeds: Best Varieties, Where to Buy & How to Choose
Searching for flowering kale seeds? You're in the right place. Flowering kale seeds (also sold as ornamental kale seeds) are available in a wide range of series, colors, and leaf types — and knowing which ones to choose makes all the difference between a spectacular fall display and a disappointing one. This guide covers the best flowering kale seed varieties available, what to look for when buying, and exactly how to match the right variety to your garden goals.
Also see: How to Grow Flowering Kale from Seed: Step-by-Step Guide
What to Look for When Buying Flowering Kale Seeds
Not all flowering kale seeds are created equal. Here's what separates high-quality seeds from disappointing ones:
- Named variety or series — Generic "ornamental kale mix" seeds often produce inconsistent results. Named series like Crane, Nagoya, and Flare are bred for specific traits — uniform size, intense color, and reliable cold tolerance.
- Germination rate — Look for seeds with a stated germination rate of 85% or higher. Brassica seeds germinate readily, so low germination rates indicate poor seed quality or improper storage.
- Seed count — Flowering kale seeds are small. A pack of 25–50 seeds is standard for home gardeners; larger packs (100–1,000) are available for commercial growers and mass plantings.
- Leaf type — Smooth-leaved (Crane, Nagoya) vs. fringed/feathered (Flare, Feather Queen) — choose based on your design aesthetic.
- Color — White, pink, rose, red, and bicolor are the main options. Consider your existing fall color scheme before choosing.
The Best Flowering Kale Seed Series
Crane Series — The #1 Choice for Home Gardeners
The Crane series is the most popular flowering kale series for home gardeners and professional growers alike. Large, well-formed rosettes, excellent color intensity, and outstanding cold tolerance make it the gold standard. Available in white, pink, rose, red, and bicolor.
Crane Pink Flowering Kale Seeds — Soft pink centers with dark green outer leaves. One of the most popular flowering kale varieties for fall containers and borders. Colors deepen beautifully after frost. 25 seeds per pack.
Crane White Flowering Kale Seeds — Crisp white centers with bold dark green outer leaves. Clean and elegant — pairs with any color scheme. A classic choice for formal fall displays and holiday containers. 25 seeds per pack.
Crane Red Flowering Kale Seeds — Bold, deep red centers that intensify dramatically after frost. One of the most striking flowering kale varieties available. A showstopper in fall and winter displays. 25 seeds per pack.
Crane Bicolor Flowering Kale Seeds — A stunning mix of pink and white within the same rosette. Each plant is unique. Excellent for mixed container plantings and fall borders. 50 seeds per pack.
Also see: Flowering Kale Seeds: Crane Bicolor Ornamental Kale
Flare Series — Fringed Leaves for a Softer, More Textural Look
The Flare series features deeply fringed, feathery leaves that create a softer, more romantic look than the smooth-leaved Crane series. Beautiful in mixed arrangements and cottage-style plantings.
Rose Flare Flowering Kale Seeds — Deeply fringed rose-pink leaves with a soft, feathery texture. A beautiful contrast to smooth-leaved varieties in mixed plantings. Excellent cold tolerance and long display season. 25 seeds per pack.
White Flare Flowering Kale Seeds — Fringed white leaves with a delicate, lacy appearance. Stunning in holiday containers and winter window boxes. Pairs beautifully with red and rose varieties. 25 seeds per pack.
Nagoya Series — Compact & Uniform for Mass Plantings
The Nagoya series is the go-to choice for mass plantings, retail production, and formal garden borders where consistency and uniformity matter. Compact habit, excellent color, and reliable performance.
Nagoya Mix Flowering Kale Seeds — A blend of white, rose, and red Nagoya varieties in one pack. Perfect for creating a colorful mass planting with consistent size and habit. 50 seeds per pack.
Nagoya White Flowering Kale Seeds — Compact, uniform white rosettes with excellent consistency. Ideal for formal borders, retail displays, and holiday container arrangements. 50 seeds per pack.
Feather Queen Series — Dramatic Fringed Foliage
Crane Feather Queen Red Flowering Kale Seeds — Deeply fringed, feathery red leaves with a dramatic, almost tropical appearance. One of the most eye-catching flowering kale varieties available. Stunning as a specimen plant or in large containers. 25 seeds per pack.
Also see: Flowering Kale for Cut Flowers: Empire, Crane, and Beyond
Shop All Flowering Kale Seeds – Image Grid
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Crane Pink Shop Now |
Crane White Shop Now |
Crane Red Shop Now |
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Crane Bicolor Shop Now |
Rose Flare Shop Now |
White Flare Shop Now |
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Nagoya Mix Shop Now |
Nagoya White Shop Now |
Feather Queen Red Shop Now |
Need bulk quantities? Visit our sister site: Trailing Petunia Bulk Seeds for larger pack options including 25–1,000 seed packs of Nagoya varieties.
Flowering Kale Seeds: Which Series Is Right for You?
| Series | Leaf Type | Best For | Colors Available |
|---|---|---|---|
| Crane | Smooth, open rosette | Home gardens, containers, borders | White, Pink, Rose, Red, Bicolor |
| Flare | Deeply fringed, feathery | Cottage gardens, mixed arrangements | White, Rose |
| Nagoya | Smooth, compact rosette | Mass plantings, retail, formal borders | White, Rose, Red, Mix |
| Feather Queen | Dramatic deep fringe | Specimen plants, large containers | Red |
When to Plant Flowering Kale Seeds
Timing your flowering kale seed start correctly is critical for a great fall display. Flowering kale takes 10–12 weeks from seed to display-ready size. Work backward from when you want plants on display:
- Zones 3–4: Start seeds late June – early July for September–October display
- Zones 5–6: Start seeds early–mid July for October–November display
- Zones 7–8: Start seeds mid July – early August for October–December display
- Zones 9–10: Start seeds August–September for November–February display
Also see: Cool-Season Flower Seeds to Plant: Ranunculus, Anemone & Flowering Kale
How to Germinate Flowering Kale Seeds
Flowering kale seeds are easy to germinate — one of the most reliable brassica crops from seed. Here's the quick-start process:
- Sow seeds in moist seed-starting mix, covering lightly with 1/8" of mix.
- Maintain 65–70°F soil temperature. Unlike summer annuals, flowering kale prefers cooler germination temps. No heat mat needed — room temperature is ideal.
- Expect germination in 4–7 days. Brassica seeds are fast and reliable.
- Move to bright light immediately — 14–16 hours under grow lights prevents leggy seedlings.
- Transplant to final location when plants are 4–6" tall with 4–6 true leaves.
Also see: Why Did My Flowering Kale Die? Complete Troubleshooting Guide
Frequently Asked Questions: Flowering Kale Seeds
What are flowering kale seeds?
Flowering kale seeds (also called ornamental kale seeds) are seeds of Brassica oleracea cultivars bred specifically for ornamental foliage rather than eating. They produce spectacular rosettes of colorful leaves in shades of white, pink, rose, red, and purple that intensify with cool fall temperatures and frost.
Where can I buy flowering kale seeds?
We carry a wide selection of flowering kale seeds in named series including Crane, Flare, Nagoya, and Feather Queen — all available in individual colors and mixes. Shop our full collection above, or visit Trailing Petunia Bulk Seeds for larger quantity packs.
What is the best flowering kale seed variety?
For home gardeners, the Crane series is the top choice — large, well-formed rosettes with excellent color and cold tolerance. For mass plantings and formal borders, the Nagoya series offers superior uniformity. For a unique textural look, the Flare series is unmatched.
How many flowering kale seeds do I need?
For a standard 4x4 ft garden bed, plan on 9–16 plants spaced 12–18" apart — so 25 seeds is plenty for a home garden with room for extras. For mass plantings or retail production, our Nagoya series is available in packs of 25–1,000 seeds.
Are flowering kale seeds easy to grow?
Yes — flowering kale is one of the easiest ornamental plants to grow from seed. Brassica seeds germinate in 4–7 days, seedlings are vigorous, and the plants are extremely cold-hardy. The main challenge is timing — starting seeds 10–12 weeks before your desired display date is the most important factor in success.
Do flowering kale seeds need cold stratification?
No — flowering kale seeds do not need cold stratification. They germinate readily at room temperature (65–70°F) without any pre-treatment. Simply sow, keep moist, and expect sprouts in 4–7 days.
Can I direct sow flowering kale seeds outdoors?
Yes, in Zones 7–11 you can direct sow flowering kale seeds outdoors in late summer when temperatures begin to cool. However, starting indoors gives you more control over timing and produces larger, more uniform plants for display. For the best results, we recommend starting indoors 10–12 weeks before your desired display date.
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