While most varieties of this bright beauty are annual sunflowers, meaning they will not come back the following growing season, they may self-germinate from dropped seeds if you leave the heads on the plants throughout the winter. The perennial Maximillian sunflower features small blooms in late summer and early fall.
Also know, do sunflowers come back year after year?
Sunflowers are either an annual (where they need to be replanted every year) or a perennial (where they will come back every year from the same plant) and telling the difference is not that hard if you know how. Annual sunflowers growing from reseeding will not start to show up until late spring.
One may also ask, do sunflowers grow back after cutting? When your sunflowers tend to grow too tall for your liking, giving them a trim encourages shorter, bushier growth. After blooming, sunflowers start to develop a ragged appearance, so it's best to cut them down completely. Perennial varieties can grow back and flower again next year.
Also Know, do sunflowers bloom more than once?
Sunflowers grown as annuals die after producing their flower heads go to seed. They do not grow and bloom again. These are usually the varieties cultivated for their large size, showy flower heads and edible seeds.
How long do sunflower plants last?
2 to 3 weeks