Can you plant hollyhocks in a trellis planter?
jrainville460 added on May 12, 2018 | Answered
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Answered on May 12, 2018
Hollyhocks grow to 10 feet in full sun and good soil. I don't believe the average trellis has enough soil to allow them to do well. They are upright plants and don't need support in full sun.
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