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Gardening Know How Questions & Answers - https://questions.gardeningknowhow.comI was given some cannas bulbs & the foliage is tall and beautiful but did not flower. I planted them behind existing hydrangeas next to a wood shed wall. They got about 5 hrs of sun a day. I gave the hydrangeas acid fertilizer & I’m wondering if that was bad for the cannas & made them not flower. Do you have more info for flowering?
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1 Comment To "CannasI"
#1 Comment By Downtoearthdigs On 10/12/2017 @ 6:34 am
Some cannas won’t flower if the bulbs didn’t store enough energy the year before. In that case they will probably flower next year. The amount of light may also be a problem- cannas ideally need 6 hours of light or more. Cannas should be ok in acid soil unless it is very-acid, so you might want to test the pH after the hydrangea fertilizer is added.