By Redwine
West Midlands,
United Kingdom 
Hi after losing all my dahlia seedlings I wanted something quick so I bought 150 Earthwalker sunflower seeds after being told they were the dwarf variety,they've all germinated and now are in cups. Since found out they can grow very tall which I didn't want if I pinch out the tips will this make a difference
26 May, 2016
Answers
Worth trying, you may get lots of flowers rather than one
26 May, 2016
I don't think it would work. They would look really strange.
26 May, 2016
If you haven't got anywhere to put them why not cut your losses and freecycle them? Even if pinching out the tips makes them bush out they will still be too tall for ordinary bedding. Pity as they are lovely.
27 May, 2016
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Probably not though it will make the plants a bit bushier.
26 May, 2016