How to Grow Chard Rhubarb Lucullus
Chard Rhubarb Lucullus
Beta vulgaris subsp. cicla var. flavescens
vegetableLucullus is a heirloom Swiss chard variety prized for its large, crinkled yellow-green leaves and thick, pale yellow ribs. It's a cool-season leafy green that produces continuously over many weeks when harvested properly. This heat-tolerant chard variety is exceptionally productive and versatile in the kitchen.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 3-10; tolerates both cool springs and hot summers better than many greens
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Growth Stages
Germination
7-10 daysSeeds sprout within 7-10 days. Cotyledons (seed leaves) emerge first, followed by the first true leaves.
Keep soil consistently moist but not waterlogged. Thin seedlings to proper spacing early to reduce competition. Maintain soil temperature around 60-70°F for optimal germination.
Seedling & Early Growth
2-3 weeksTrue leaves develop with characteristic chard appearance. Plants establish root systems and begin forming their crinkled foliage pattern.
Thin to 6-inch spacing once plants have 2-3 true leaves. Water regularly and maintain consistent moisture. Begin light feeding with balanced fertilizer.
Vegetative & Leaf Development
4-6 weeksLarge, deeply crinkled leaves with pale yellow ribs develop. Plant becomes bushy and dense with 10-15+ leaves forming a rosette.
Pinch off flowering shoots to redirect energy to leaf production. Continue consistent watering and fertilizing every 2-3 weeks with nitrogen-rich fertilizer. Mulch around plants to retain moisture and suppress weeds.
Peak Production & Harvest
6-10+ weeksMature leaves reach 10-12+ inches long with thick, tender ribs. Plant continues producing new central leaves steadily when harvested properly.
Begin harvesting outer leaves when they reach 8-10 inches. Harvest regularly to encourage continuous production. Leave inner leaves to support plant vigor. Provide consistent water and fertilizer to sustain high yields.
Late Season & Senescence
Variable; until frost or extreme heatAs temperatures cool in fall or heat stress occurs, leaf production slows and older leaves may become tougher or develop yellow edges.
Continue harvesting to maintain plant vigor. In spring plantings, plants may bolt in extended heat; provide shade cloth if needed. Fall plantings are ideal and often produce until first frost.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Row covers on young plants; neem oil or insecticidal soap for larger infestations; encourage natural predators like ladybugs.
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Strong water spray to dislodge; insecticidal soap; neem oil; release beneficial insects like parasitic wasps or lacewings.
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and
Beer traps; handpick in early morning; copper tape barriers; encourage ground beetles and toads; food-grade diatomaceous earth around base.
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Yellow sticky traps; neem oil; insecticidal soap; encourage natural predators; improve air circulation.
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Ensure adequate air circulation; avoid wetting foliage; sulfur dust or potassium bicarbonate fungicide; remove affected leaves.
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Remove affected leaves; improve air circulation; water at soil level only; mulch to prevent soil splash; fungicide if severe.
Uses
Salads & Fresh Cooking
CulinaryYoung Lucullus chard leaves are tender and slightly sweet, ideal for fresh salads, stir-fries, and sautés. The pale yellow ribs are particularly tender and can be separated from leaves to cook longer while leaves go in at the end for a multi-textured dish. [source]
Soups & Braised Dishes
CulinaryThe thick, substantial ribs hold up to prolonged cooking and develop a subtle sweetness. The leaves wilt down significantly, making chard efficient for creamy soups, grain bowls, and braised vegetable medleys. [source]
Nutritional & Health Benefits
MedicinalChard is exceptionally rich in vitamins K, A, and C, plus minerals like magnesium, potassium, and iron. It contains betalains and other phytonutrients with potential anti-inflammatory properties, making it a nutritional powerhouse for bone health and cardiovascular support. [source]
Sustainable Harvesting & Food Security
HouseholdOne plant produces 60+ harvests over a season when leaves are picked regularly, making it one of the most productive greens per square foot. The continuous harvest means fresh greens for months from minimal garden space. [source]
Pollinator & Beneficial Insect Support
WildlifeIf allowed to bolt and flower in late season, chard produces abundant small yellow flowers that attract bees and beneficial insects. The plant hosts natural predators of common garden pests. [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 when outer leaves reach 8-10 inches long (about 50-60 days from planting). Cut individual leaves at the base with a sharp knife or pinch them off by hand, leaving the central bud and inner leaves intact. Harvest regularly every 2-3 days to encourage continuous production and maintain tender leaves. Lucullus produces prolifically, with new leaves replacing harvested ones throughout the season. Morning harvests capture peak hydration and nutritional content. Fall plantings (8-10 weeks before first frost) typically produce until frost; spring plantings thrive until early summer heat, then benefit from shade cloth.
Fun Facts
- 🌱 Lucullus was first recorded in the 1800s and remains one of the most prized heirloom chard varieties for its exceptional productivity and the striking pale yellow ribs that give it a luminous appearance in the garden.
- 🌱 Swiss chard gets its 'Swiss' name not from its origin but from a 19th-century seed merchant's marketing; the plant likely originated in the Mediterranean region and was cultivated by ancient Greeks and Romans.
- 🌱 Chard is a biennial but is grown as an annual; the pale yellow ribs in Lucullus arise from high concentrations of carotenoids and lutein, the same pigments that make carrots and squash orange and yellow.
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