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Giant Vegetables

giant sunflower

13 years ago

What variety of sunflower is huge headed and has very black seeds? I have just returned from the state fair and this mystery variety wins every year. I have tried Dianne's mammoth and sunzilla, but cannot get close and they both look very different. Thanks for any help!!

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steved-grower
13 years ago
The biggest heads are typically grown with Dianes strain or Russian Mammoth. It's unusual that a dark black seed is growing very wide. What was the width? I've been growing Dianes and another variety called green goliath with mixed results, 16" - 24" diameter.
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