Annual
Varies, typically 6-12 inches tall
Perennial
Height: 2-4 feet, width: 1-2 feet
Lifespan of 20 to 30 years
Up to 10 feet
Up to 5 feet tall
Up to 2 feet
2-3 years
30 - 50 cm tall
Biennial
30-100 cm tall
Up to 8 inches (20 cm) tall
30-120 cm
Varies depending on the species
Varies
Height of 30-60 cm
Perennial, with each bloom lasting about a week
Up to 1 foot tall and wide
Grows best in its first year
Up to 30 cm tall
Small to medium-sized
Up to 1.2 meters tall
Up to 30 cm (12 inches) in height
Several years
Up to 2 meters tall