Common name
Skyscraper Senecio, Big blue chalk sticks
 
Growing conditions
Actually in the Asteraceae family! Requires well draining soil. Toxic plant.
 
Watering
Drought tolerant but don’t leave the soil dry for too long. Water occasionally during growing season.
 
Aspect
Bright light, sunny window sill. If it doesn’t get enough light, it will get leggy.
 
Temperature
Very tough, can go to as low as -6.7 degrees C, but ideally not below 10 degrees C.