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How to Help Sunflowers That Won’t Bloom | Gardener's Path
06.06.2023 - 16:05 / gardenerspath.com / Rose Kennedy
How to Help Sunflowers That Won’t Bloom“You are my sunflower, my only sunflower, you make me happy, when skies are gray…”
Those aren’t the actual words to the song, but that’s how I sing it. Still, I have to admit, that joyous feeling only occurs when they burst into bloom, seeming to smile with their round faces and bright petals.
Sunflowers that don’t flower can make a person a little sad.
But don’t take it as a bad sign or something personal if your Helianthus annuus won’t bloom. There are perfectly logical reasons why this happens, and I’m going to give you the rundown right now.
When there’s a potential solution, I’ll offer it along with the cause.
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In some instances, the best idea is to start over with a different variety or more suitable growing conditions, either right now or next season.
I can tell you from experience, that’s not too awful – and far better than someone taking all your sunflowers away.
And while you’re learning why the ones you’re growing aren’t blooming, you’ll also pick up a few tips on keeping all the available varieties healthy and flowering at their best.
Here’s what I’ll cover:
Sunflowers are so big and bold, it’s pretty easy to determine when they haven’t flowered. But detecting the reason for the no-show blooms can be a bit trickier.
I think it’s most helpful to systematically rule out each of the top possibilities, beginning with the simplest. Here are the most common causes when H. annuus doesn’t flower:
1. Not Enough SunI’m sure it’s no surprise that a plant called “sunflower” grows best in the sun!
You may be able to coax a few to emerge from the ground and attain a few feet of height
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