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Product Description
Onopordum Seeds For Thriving Plants Perfect For Easy Planting is produced from premium Heirloom, Non-GMO, High Germination Organic Garden Seeds. Suitable for home gardens, terrace gardening, containers, and open-field cultivation.

Life Cycle
Biennial Herb
Planting Season
Spring Fall
Growth Habit
Upright Spiny
Flavor Profile
Not Applicable
Plant Characteristics
Purple Blooms
Use
Ornamental Plant
Growing Conditions
Dry Sunny
Harvest Advantages
Pollinator Friendly
Plant Resistance
Drought Tolerant
Onopordum acanthium
Seed Names
Onopordum
Seed Type
Open Pollinated
Onopordum, commonly known as Scotch thistle, is a dramatic biennial plant prized for its tall silvery foliage and striking purple flower heads. It thrives in sunny, dry locations and is ideal for ornamental borders, wild gardens, and pollinator-friendly landscapes.
Light Requirement
Full Sun
Planting Depth
Surface Sow
Sowing Method
Direct Sow
Plant Spacing
24–36 Inches
Days to Maturity
1–2 Years
Soil Preparation
Cold Stratify
Hardiness Zones
Zones 3–9
Water Needs
Low Water
Planting Season
Spring Fall
Seed Count
Recommended Coverage
100
100–150 Sq Ft
500
500–750 Sq Ft
1000
1000–1500 Sq Ft