Try growing fifteen feet tall inside of 90 days and you’ll understand what it’s like to be a sunflower. If you’ve got Mammoth hybrid sunflowers in your garden, remember this if yours aren’t showing much vigor. Maybe they need an organic Power Bar to get energy levels back on track. It takes a lot of nitrogen to make a huge stalk. Phosphorous and potassium helps grow roots to hold it upright and form huge flowers packed with edible seed. Any quality OMRI Listed fertilizer formulated for flowers will work. Apply generously, mix into the soil and water well and often. Then stand back and watch your plants bolt skyward as they should.
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