More than a pretty face
Sunflowers send a deep taproot that breaks up compacted ground, their flowers are a top pollinator and beneficial-insect draw, and the seeds feed you, the birds, and the chickens. Tall varieties even make a quick summer privacy screen or a living trellis for beans.
Harvesting seed
When the back of the head turns yellow-brown and the seeds are plump and striped, cut the head and dry it in a ventilated spot away from birds. Rub the seeds free once fully dry. Save some to replant — open-pollinated sunflowers come true from saved seed.
🔎 How to identify it
- Tall coarse stalk with big rough heart-shaped leaves
- Large composite flower head that tracks the sun when young
- Center disk of developing seeds ringed by yellow ray petals
⚠ Lookalikes & safety
Many aster-family lookalikes; the giant single head and rough leaves are distinctive. None dangerous.
Edibility
How to grow & propagate sunflower
Everything I've worked out about starting this one, keeping it alive through a Texas year, and turning one plant into many — free.
How to propagate sunflower
The daisy family is a seed family — those flower heads are seed factories, and most members come up fast and willing from direct sowing. The perennial members (coneflower, black-eyed Susan, the native sunflowers) also clump up over a few years and can be lifted and split in fall or early spring to make free plants and keep the center from dying out.
Growing sunflower in Texas
Give it full sun and tolerates poor soil soil. Match the spot to the plant and most of the battle is already won.
Time your planting to our long warm season and watch the frost dates at both ends; the live weather tool on this site is built for exactly that.
Keep moisture even, especially while it's young — deep, less-frequent soaks build better roots than a daily sprinkle.
Harvesting
Figure on roughly 70–100 for seed before you're harvesting. The part you're after: seeds (and sprouts, petals).
Making more for free
Every seed we sell is open-pollinated, which means you can save your own from the best plants and it'll grow true next year. Let a few of your strongest plants finish and go to seed, dry it fully, and store it cool and dark. That's the whole point of heirlooms — buy once, grow forever.
Part of the free Texas Roots plant database, compiled by Jordan Polasek from his greenhouse in El Campo, Texas. Free to read and share. If it helped, the best thanks is to grow something.