Illyrian Cottonthistle (Onopordum illyricum) is a large, spiny biennial with striking thistle-like purple flower heads and broad, winged stems.
Above information is sourced from Wikipedia
Sunlight
Prefers full sun for best growth and flowering.
Watering
Water moderately during the growing season, allowing soil to dry slightly between waterings.
Soil
Well-draining soil is essential. Prefers sandy or loamy soils and tolerates poor, dry conditions.
Temperature
Ideal growing temperature is between 15-25°C.
Habitat
Outdoor
Fertilizer
Fertilize sparingly in spring with a balanced, slow-release fertilizer.
Prefers full sun for best growth and flowering.
Tolerates partial shade but may become leggy.
Water moderately during the growing season, allowing soil to dry slightly between waterings.
Ensure good drainage to prevent root rot.
Well-draining soil is essential. Prefers sandy or loamy soils and tolerates poor, dry conditions.
Ideal growing temperature is between 15-25°C.
Can tolerate cooler temperatures once established.
Outdoor
Fertilize sparingly in spring with a balanced, slow-release fertilizer.
Avoid over-fertilizing.
Plant Type
Herb
Plant Category
Ornamental
Plant Place Type
Ground, Garden
Plant Environment
Outdoor
Lifespan
Biennials
Plant Height
1-2 m
Spread
0.5-1 m
Growth Rate
Moderate
Dormancy
None
Leaf Color
Green, Silver
Leaf Type
Lobed
Flower Size
5-7 cm
Optimal Sunlight Lux
60000
Toxic for humans
No
Rating: 0/5
Toxic for pets
No
Rating: 0/5
Edible
No
