Violet Queen, Heirloom Cauliflower Seeds — Rich Violet-Purple Heads, No Blanching Required, Sweet & Mild, Anthocyanin-Rich | 85 Days

Violet Queen (Brassica oleracea var. botrytis) is a highly productive heirloom cauliflower prized for the striking color contrast its rich violet-purple curds create against dark green foliage. Selected for productivity and reliable head formation, it is a popular choice for both home gardeners and market growers looking to add visual interest to the vegetable garden. Unlike white varieties, Violet Queen does not need to be blanched — its purple curds naturally develop good color without shading. Sweet and mild flavor; color fades to green when cooked. Perfect for sunny containers, raised beds, or garden plots. 0.8g / 100+ seeds per packet. 85 days to maturity.

• Botanical name: Brassica oleracea var. botrytis
• Days to maturity: 85 days
• Days to germination: 4–10 days
• Head color: Rich violet-purple — fades to green when cooked
• Flavor: Sweet and mild
• Blanching: Not required — purple color develops naturally
• Plant height: 12–18 inches
• Plant width: 18–24 inches
• Soil: Well-draining, fertile, nutrient-rich; pH 6.0–7.0
• Temperature: 60–70°F growing; 65–75°F germination
• Packet size: 0.8g / 100+ seeds
• Sowing depth: ½ inch
• Plant spacing: 18–24 inches; rows 24–30 inches
• Light: Full sun
• Garden size: Container, raised bed, garden plot
• USDA Zones: 3–10
• Type: Heirloom, open-pollinated, non-GMO, annual
• Pests: Cabbage worms, aphids, flea beetles, clubroot; watch for chewed leaves and holes

No Blanching Required — The Purple Develops Naturally

One of Violet Queen’s most practical advantages over white cauliflower is that it requires no blanching. White cauliflower must have its outer leaves tied over the developing head to prevent sunlight from yellowing the curd — a time-consuming step that must be checked and managed regularly. Violet Queen’s purple pigment develops naturally in full sun without any shading. Simply grow it, water it, and harvest when the head is firm and fully colored. This makes Violet Queen significantly easier to manage than white varieties, especially for gardeners growing multiple plants or managing a busy garden season.

Anthocyanins — The Nutritional Story Behind the Purple

Violet Queen’s rich purple color comes from anthocyanins — the same class of antioxidant compounds found in blueberries, red cabbage, and purple carrots. Anthocyanins are associated with anti-inflammatory benefits, cardiovascular health, and reduced oxidative stress. They are water-soluble and heat-sensitive, which is why Violet Queen’s color fades to green when cooked — the anthocyanins break down under heat. For maximum nutritional benefit and color, serve raw or very lightly steamed. The flavor remains excellent regardless of cooking method.

Color When Cooked — What to Expect

Violet Queen’s vivid purple fades to green when fully cooked — this is normal and expected, not a defect. The color shift happens because anthocyanins are heat-sensitive and break down during cooking, revealing the underlying green chlorophyll. To preserve the purple color: serve raw on crudité platters and salads, or add a splash of vinegar or lemon juice to cooking water to slow the color shift. For roasting, the color will fade but the caramelized flavor is excellent. Use fresh for the best color and visual impact.

In the Kitchen

• Raw crudités & vegetable trays: The standout use — rich purple florets on a vegetable platter are visually striking; the sweet, mild flavor is excellent raw
• Salads: Raw florets add dramatic color and mild crunch to green salads and grain bowls
• Roasting: Toss with olive oil, garlic, and lemon; roast at 425°F — color fades to green but flavor deepens and caramelizes beautifully
• Steaming: Light steam preserves more color than boiling; serve with brown butter or tahini
• Stir-fry: Cut into florets and stir-fry with garlic and ginger; the green color that develops is vivid and appetizing
• Color tip: Add vinegar or lemon juice to cooking water to slow the purple-to-green color shift

Growing Notes

Start indoors 4–6 weeks before last frost for spring crop, or direct sow ½ inch deep after danger of frost has passed. Transplant when seedlings are 4–5 inches tall, spacing 18–24 inches apart in rows 24–30 inches apart in full sun. Keep soil consistently moist — inconsistent watering causes smaller or poorly formed heads. Cauliflower is a heavy feeder — work compost into the bed before planting and fertilize regularly. No blanching required. Harvest at 85 days when curds are firm and tightly formed — harvest promptly as heads can loosen or bolt quickly in warm weather. Watch for cabbage worms, aphids, and flea beetles; use row covers. Rotate brassicas on a 3–4 year cycle to minimize clubroot.

Frequently Asked Questions

Do I really not need to blanch Violet Queen?

Correct — Violet Queen’s purple color develops naturally in full sun without any shading or leaf-tying. This is one of its key practical advantages over white cauliflower varieties, which must be blanched to prevent yellowing. Simply grow in full sun and harvest when the head is firm and fully colored.

Why did my Violet Queen turn green when I cooked it?

This is normal — Violet Queen’s purple color comes from anthocyanins, which are heat-sensitive and break down during cooking, revealing the underlying green chlorophyll. The flavor is unaffected. To preserve more purple color, serve raw, add acid (vinegar or lemon juice) to cooking water, or cook very briefly.

When should I harvest?

Harvest at around 85 days when the head is firm, tightly formed, and fully colored. Do not wait — heads can quickly become loose or bolt in warm weather. When in doubt, harvest early. A slightly small firm head is better than an overripe loose one.

Packed and shipped by Box Garden Seeds LLC — heirloom seeds grown without GMOs, selected for flavor, resilience, and your garden’s success.