Tall Thistle (Cirsium altissimum)
Tall Thistle (Cirsium altissimum) is a native North American biennial or short-lived perennial wildflower known for its impressive height and attractive purple flower heads.
Above information is sourced from Wikipedia
Sunlight
Full sun to partial shade.
Watering
Moderate watering, allow soil to dry slightly between waterings.
Soil
Adaptable to various soil types, but prefers well-drained, moderately fertile loam.
Temperature
Prefers moderate temperatures.
Habitat
Outdoor
Fertilizer
Light feeding is sufficient.
Care Requirements
Full sun to partial shade.
At least 6 hours of direct sunlight is ideal.
Moderate watering, allow soil to dry slightly between waterings.
Prefers well-drained soil.
Adaptable to various soil types, but prefers well-drained, moderately fertile loam.
Prefers moderate temperatures.
Thrives in temperatures between 15-25 °C.
Outdoor
Light feeding is sufficient.
Apply a balanced fertilizer once in spring.
Plant Overview
Plant Type
Herb
Plant Category
Flowering
Plant Place Type
Ground
Plant Environment
Outdoor
Lifespan
Biennials
Plant Height
1.2-3 m
Spread
0.5-1 m
Growth Rate
Moderate
Dormancy
Dies back in colder climates
Leaf Color
Green
Leaf Type
Lanceolate to ovate, deeply lobed
Flower Size
3-5 cm
Image Gallery
- kingdomPlantae
- divisionTracheophyta
- classMagnoliopsida
- orderAsterales
- familyAsteraceae
- genusCirsium
- speciesCirsium altissimum × discolor
Toxic for humans
No
Rating: 0/5
Toxic for pets
No
Rating: 0/5