Red Star-Thistle (Centaurea calcitrapa)
Red Star-Thistle (Centaurea calcitrapa) is a spiny annual herb with thistle-like purple flower heads, often found in disturbed soils and roadsides.
Above information is sourced from Wikipedia
Sunlight
Prefers full sun for optimal growth and flowering. Tolerates partial shade but may become leggy.
Watering
Water moderately during the growing season, allowing soil to dry slightly between waterings. Reduce watering in cooler months.
Soil
Tolerant of a wide range of soils, but prefers well-drained, sandy or loamy soils. Adaptable to poor soils.
Temperature
Thrives in average room temperatures between 15-25 °C. Can tolerate cooler temperatures.
Habitat
Outdoor
Fertilizer
Generally does not require heavy fertilization. A light application of a balanced liquid fertilizer in spring is sufficient if soil is poor.
Care Requirements
Prefers full sun for optimal growth and flowering. Tolerates partial shade but may become leggy.
Water moderately during the growing season, allowing soil to dry slightly between waterings. Reduce watering in cooler months.
Tolerant of a wide range of soils, but prefers well-drained, sandy or loamy soils. Adaptable to poor soils.
Thrives in average room temperatures between 15-25 °C. Can tolerate cooler temperatures.
Outdoor
Generally does not require heavy fertilization. A light application of a balanced liquid fertilizer in spring is sufficient if soil is poor.
Plant Overview
Plant Type
Herb
Plant Category
Ornamental
Plant Place Type
Ground
Plant Environment
Outdoor
Lifespan
Annuals
Plant Height
0.3-1.2 m
Spread
0.3-0.6 m
Growth Rate
Moderate
Dormancy
None
Leaf Color
Green
Leaf Type
Lobed
Flower Size
2-3 cm
Weed Status
Yes
Image Gallery
- kingdomPlantae
- divisionTracheophyta
- classMagnoliopsida
- orderAsterales
- familyAsteraceae
- genusCentaurea
- speciesCentaurea calcitrapa
Toxic for humans
No
Rating: 0/5
Toxic for pets
No
Rating: 0/5
Edible
No
Non-toxic to humans and pets.