How to Grow Russian Red Kale
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Russian Red Kale
Brassica oleracea var. acephala
vegetableRussian Red Kale is a cold-hardy, non-heading brassica featuring deeply lobed, frilly leaves with striking red-purple coloring and prominent veining. Known for its tender texture and slightly sweet, nutty flavor, it becomes even sweeter after frost. This ornamental yet edible leafy green is more tender than curly kale and highly nutritious.
When should you plant Russian Red Kale in your zone?
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Example Russian Red Kale timeline · Pittsburgh, PA (Zone 6b)
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Plant Russian Red Kale
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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Harvest Russian Red Kale
Around Jun 6≈ 50 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Russian Red Kale dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 2-10; prefers cooler weather for best flavor and color
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Seedling
7-14 daysTiny seed leaves emerge; first true leaves are simple and small, green with light purple hints.
Keep soil consistently moist but not soggy. Provide bright light and gentle air circulation to prevent damping off. Thin seedlings to prevent crowding.
Vegetative Growth
3-5 weeksPlant develops multiple lobed leaves with increasingly prominent red-purple coloring and serrated edges. Leaves unfurl from center rosette.
Maintain consistent moisture and regular feeding with balanced or nitrogen-rich fertilizer every 2-3 weeks. Pinch off any flower buds that appear early to encourage leaf production. Monitor for pests weekly.
Mature Leaf Production
2-4 weeks onwardPlant reaches full size (24-30 inches tall and wide) with deeply frilly, deeply lobed leaves. Color intensifies to rich red-purple, especially after cool nights.
Begin harvesting outer leaves when 6-8 inches long. Plant becomes more productive with regular harvesting. Continue light feeding every 3-4 weeks. Cold temperatures improve flavor and sweeten the leaves.
Extended Harvest
4-8 weeks or until frost/boltingPlant continues producing tender new leaves in center. Older outer leaves can be harvested or removed. Color remains vibrant even in cold weather.
Continue harvesting outer leaves to encourage central growth. Provide light fertilizer monthly. In mild climates, plant can produce through winter. Remove any yellowed or damaged leaves.
End of Season/Bolting
Variable; signals end of harvest seasonIf plant remains in ground after frost or during spring warm-up, it will send up a central flower stalk with small yellow flowers and seed pods.
Stop harvesting once bolting begins. Allow plant to flower if saving seeds. Otherwise, remove plant to prepare garden for next crop.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Use row covers before infestation. Apply Bt (Bacillus thuringiensis) spray when worms appear. Hand-pick if few. Introduce parasitic wasps.
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Row covers for prevention. Bt spray effective on young larvae. Hand-pick larger loopers. Encourage native predators.
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Strong water spray to dislodge. Insecticidal soap or neem oil. Encourage ladybugs and parasitic wasps. Reflective mulches deter infestation.
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Yellow sticky traps. Neem oil or insecticidal soap spray. Improve air circulation. Remove heavily infested leaves.
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Row covers on young plants. Diatomaceous earth (food-grade). Neem oil spray. Plant trap crops like radishes nearby.
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Hand-pick in early morning or evening. Beer traps. Copper tape barriers. Remove garden debris and mulch where they hide.
Uses
Fresh Salads & Sautéing
CulinaryRussian Red Kale's tender texture and mild, slightly sweet flavor make it ideal for fresh salads when young, and excellent for sautéing with garlic and olive oil. Unlike curly kale, it doesn't require heavy massage and is naturally more palatable raw or lightly cooked. [source]
Smoothies & Juicing
CulinaryThe tender leaves and sweet flavor profile make Russian Red excellent for green smoothies, juices, and blended drinks. It pairs well with fruits like apple and banana, and blends more smoothly than tougher kale varieties. [source]
High Nutrient Density
MedicinalRussian Red Kale is exceptionally rich in vitamins A, C, and K, calcium, iron, and sulfur compounds with anti-inflammatory properties. Regular consumption supports bone health, immune function, and cardiovascular wellness. [source]
Ornamental Landscaping
HouseholdThe striking red-purple color and architectural foliage make Russian Red Kale a beautiful addition to edible gardens, mixed borders, and container plantings. It remains visually attractive throughout the season and adds vibrant contrast to landscape designs. [source]
Pollinator & Beneficial Insect Support
WildlifeWhen allowed to bolt, Russian Red Kale produces small yellow flowers that attract bees and other pollinators. The plant also provides shelter for beneficial insects and can serve as a trap crop to protect other plants from pest insects. [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 when they reach 6-8 inches long, typically 50-70 days after planting or when plant is 12+ inches tall. Pinch or cut leaves at the base rather than tearing. Harvest regularly to encourage continuous new leaf production from the center. Leaves are most tender and sweet after a light frost (32°F or below). In mild climates, harvest can continue through winter. Avoid harvesting more than one-third of the plant at once to maintain vigor. Peak flavor occurs in fall and early winter.
Fun Facts
- 🌱 Russian Red Kale actually originated in Russia and Eastern Europe, where it has been cultivated for centuries and thrives in harsh, cold climates.
- 🌱 The leaves develop deeper red-purple pigmentation after exposure to frost—a natural antifreeze response that makes the plant sweeter as temperatures drop.
- 🌱 Unlike curly kale, Russian Red's smooth, deeply lobed leaves require no massage or extensive preparation for fresh eating, making it a more user-friendly raw green.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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