Once planted, they take around 80 to 120 days to fully bloom.
With over 70 varieties, there are annuals and perennials in the mix.
Read on to learn more about a sunflower’s life cycle and when they’re set to bloom.
The Spruce / K. Dave
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The germination phase begins immediately after you plant your seedlings.
Vegetative Phase
After germination comes the vegetative phase.
The Spruce / Evgeniya Vlasova
The vegetative phase begins in late-May or early June.
When the first leaf sprouts, the plant is in the vegetative stage one (V1).
Reproductive Phase
June is normally when the reproductive phase starts.
The Spruce / Phoebe Cheong
This phase starts when your sunflower starts to form a bud between the leaves that has a star-like appearance.
Harvesting Phase
The last phase of the sunflower blooming process is harvesting the seeds to eat.
This should give the other seeds plenty of time to plump up and be ready to harvest.
What to Do With Sunflowers After They Bloom?
It’s also the time to deadhead your flowers to encourage new growth.
