How to Grow Scorzonera
Scorzonera
Scorzonera hispanica
vegetableScorzonera is a perennial root vegetable prized for its long, slender black-skinned roots with creamy white flesh and a delicate, slightly sweet flavor reminiscent of oysters. Also known as black salsify, it's a Mediterranean native that produces edible roots and tender spring shoots. The plant develops attractive yellow flowers in its second year if left unharvested.
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Example Scorzonera timeline · Pittsburgh, PA (Zone 6b)
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Plant Scorzonera
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 Scorzonera
Late summer into fallBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Scorzonera dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 3-9; cold-hardy and prefers moderate climates
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Seedling
2-3 weeksTiny grass-like leaves emerge 10-14 days after sowing. Cotyledons are thread-like and plants appear delicate.
Thin seedlings to 4-inch spacing once they have true leaves. Keep soil consistently moist but not waterlogged. Provide bright light.
Vegetative Growth (First Year)
5-7 monthsFeathery, narrow green leaves grow in an upright rosette, 12-18 inches tall. Underground, the root develops slowly and steadily.
Remove weeds regularly; mulch to retain moisture and suppress weeds. Thin to proper spacing if not done earlier. No fertilizer needed if soil is amended; excess nitrogen promotes leaf growth over roots.
Root Development
3-4 months (late summer through fall)Long, cylindrical black-skinned roots develop 8-12 inches deep (sometimes longer). Roots are ready when 0.75-1 inch in diameter at the crown.
Ensure soil remains deep and free of obstacles to allow straight root development. Keep mulch pulled back slightly from crown to prevent rot. Avoid disturbing plants.
Dormancy/Second Year Regrowth
3-4 months dormancy; 4-6 weeks active spring growthIf left in ground, plants go dormant in winter. In spring, tender new shoots emerge from the crown for harvest.
Mulch heavily over winter in cold zones. In early spring, harvest young shoots as they emerge. Allow a few plants to flower if saving seed (yellow flowers in second year).
Flowering (Second Year)
6-8 weeksYellow daisy-like flowers appear on tall stems (2-3 feet) if roots left in ground. Seeds develop in elongated seedheads.
Allow to flower only if saving seed. Flowers attract pollinators. Cut off spent flower stems to prevent excessive self-seeding unless seed collection is desired.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Row covers over young plants; resistant varieties; avoid high-nitrogen fertilizer; crop rotation
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Ensure good air circulation; avoid overhead watering; remove affected leaves; mulch prevents soil splash
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Copper tape barriers; beer traps; hand-picking; encourage ground beetles
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Improve drainage to reduce habitat; crop rotation away from grasses; beneficial nematodes
Uses
Roasted & Sautéed Roots
CulinaryScorzonera roots are boiled, roasted, or sautéed and prized for their delicate, slightly sweet oyster-like flavor. Popular in Mediterranean, French, and German cuisine as a sophisticated winter vegetable. [source]
Spring Shoots
CulinaryYoung shoots harvested in spring are tender and slightly nutty, eaten like asparagus tips when lightly steamed or sautéed with butter. [source]
Digestive & Traditional Remedy
MedicinalHistorically used in herbal medicine to support digestion, liver function, and mild diuretic effects. Contains inulin, a prebiotic fiber. [source]
Starch Extraction
HouseholdHistorically, scorzonera roots were used to extract starch for laundry and sizing fabrics in Europe. [source]
Pollinator Flowers
WildlifeSecond-year yellow flowers attract bees, hoverflies, and butterflies, supporting pollinator populations in the garden. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
First-year roots: Harvest in fall (September-November) after foliage yellows, or leave mulched in ground and harvest through winter. Gently dig or use a garden fork to avoid breaking long roots. Second-year shoots: Cut tender shoots in spring when 3-4 inches tall. Roots can be stored in cool, dark, humid conditions for 2-3 months. Peel black skin before cooking.
Fun Facts
- 🌱 Scorzonera's name derives from the Italian 'scorza nera' (black skin), though it's called 'black salsify' in English to distinguish it from white salsify (Tragopogon porrifolius). Despite the name, scorzonera is botanically unrelated to common salsify.
- 🌱 The roots can grow remarkably deep—sometimes 12-18 inches or more—which is why scorzonera demands deep, loose soil and rewards patient gardeners with exceptionally long, straight specimens prized for cooking.
- 🌱 In 16th-century Spain, scorzonera was believed to be an antidote to snake venom, hence its historical medicinal prestige in European herbal traditions.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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