How to Grow White Frills

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White Frills

Brassica oleracea var. acephala

vegetable

White Frills is a striking ornamental and edible kale variety characterized by deeply lobed, ruffled white leaves with finely fringed edges that create a dramatic, lacy appearance. Despite its decorative nature, it is fully edible with a mild, tender flavor when harvested young. This cold-hardy brassica is popular for both culinary and landscape uses.

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Example White Frills timeline · Pittsburgh, PA (Zone 6b)

  1. Plant White Frills

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest White Frills

    Around Jun 11

    ≈ 55 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact White Frills dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 6-8 hours daily; tolerates partial shade in hot climates
💧
Water: Keep soil consistently moist but not waterlogged; aim for 1-1.5 inches per week through rainfall or irrigation; more frequent watering needed during establishment and hot weather
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Spacing: 18 inches
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Days to maturity: 55-75 days
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Planting depth: 0.25-0.5 inches for seeds; transplant at soil line

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-7.5
Amendments:
Compost aged manure peat moss or coconut coir balanced fertilizer (10-10-10)

Growing Zones

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Thrives in zones 3b-9b; prefers cooler climates and improves in flavor after frost

3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Seedling

2-3 weeks

Tiny leaves emerge with characteristic kale texture; plant is fragile and low to ground

Keep soil moist; maintain 60-70°F soil temperature; protect from direct wind; thin seedlings to proper spacing early

2

Vegetative Growth

3-4 weeks

Rosette expands with increasingly lobed and ruffled white-green leaves; distinctive frilly texture becomes evident

Begin fertilizing every 2-3 weeks with balanced or nitrogen-rich fertilizer; ensure consistent moisture; mulch around base to retain moisture and regulate soil temperature

3

Mature Rosette

4-6 weeks or longer

Leaves reach full size with maximum frilly, deeply lobed appearance; plant develops dense, attractive foliage mound 12-18 inches tall

Continue watering and light feeding; begin harvesting outer leaves; flavor improves with cool temperatures and light frost exposure

4

Peak Harvest

4-8 weeks

Leaves are tender, flavorful, and visually striking; plant continues producing new growth from center

Harvest regularly to encourage new growth and maintain plant shape; remove yellowed or damaged leaves; continue watering during dry periods

5

Bolting

2-3 weeks

Plant sends up flowering shoots with yellow blooms as temperatures warm or daylight lengthens

Harvest leaves before bolting for best texture; flowering is edible but leaves become tougher; consider succession planting for fall/winter harvest

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Strawberries Tomatoes Peppers Pole beans

Common Pests

  • Use row covers during planting; apply Bacillus thuringiensis (Bt) sprays; hand-pick caterpillars; encourage parasitic wasps

  • Spray with strong water stream; use insecticidal soap; introduce ladybugs; neem oil application

  • Use row covers on seedlings; apply kaolin clay spray; encourage predatory beetles; insecticidal soap for severe infestations

  • Apply Bt spray; hand-pick larvae; use row covers; encourage beneficial wasps and parasites

  • Yellow sticky traps; insecticidal soap; neem oil; encourage natural predators like parasitic wasps

Uses

🍳

Raw salads and garnish

Culinary

White Frills' tender young leaves add dramatic visual appeal and mild, slightly sweet flavor to fresh salads, slaws, and veggie platters. The ornamental ruffled leaves make it an attractive plating garnish for modern cuisine. [source]

🍳

Sautéing and cooking

Culinary

Mature leaves can be sautéed with garlic and olive oil, added to soups and stews, or lightly steamed as a side dish. The delicate texture makes it less fibrous than traditional curly kale varieties. [source]

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Nutritional and health benefits

Medicinal

White Frills is rich in vitamins A, C, K, and minerals including calcium and iron. The glucosinolates present in kale have been studied for potential cancer-fighting properties. [source]

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Ornamental landscaping

Household

The striking white-green frilly foliage makes White Frills an excellent ornamental addition to decorative garden beds, borders, and containers. It remains attractive throughout the growing season. [source]

🎨

Floral and botanical arrangements

Craft

The delicate, sculptural leaves make White Frills ideal for fresh floral arrangements, dried botanical displays, and creative food photography. Long stems can be harvested for substantial height in arrangements. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Begin harvesting outer leaves once plant reaches 6-8 inches tall, typically 50-60 days after planting; gently snap or cut leaves at the base; harvest in morning for crispest texture; smaller, younger leaves are more tender and flavorful; plant continues producing new leaves from center for extended harvest; flavor is sweetest after light frost; entire plant can be harvested by cutting at base, or selectively harvest outer leaves to extend production

Fun Facts

  • 🌱 White Frills is not truly white but rather a very pale green; the 'white' coloring comes from the extremely fine, delicate texture and edge frilling that creates light-reflective surfaces, giving it an almost silvery appearance.
  • 🌱 Kale varieties, including White Frills, are among the most nutrient-dense vegetables available—a single serving of kale can provide over 100% of daily vitamin K requirements, making it one of nature's most concentrated superfoods.
  • 🌱 The flavor of White Frills actually improves after exposure to frost or cold temperatures; freezing temperatures convert some of the plant's starches into sugars, making the leaves noticeably sweeter and more tender—a process called 'conditioning.'

Gardening Terms

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