Lifecycle:
biennial,
perennial
Plants are usually biennial, but may last a third or fourth year, especially if you remove flowers. Some sources list as a short-lived perennial.
Ease-of-care:
easy
Height:
3 to 6 feet
Spread:
2 to 4 feet
Bloom time:
Blooms usually start in June and last through July.
Flower color:
Greenish-white to greenish-yellow.
Foliage color:
medium green
Foliage texture:
coarse
Leaves form a basal rosette the first year and then fine textured flower stems rise above the foliage the second year.
Shape:
upright
Shape in flower:
same as above