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Iris Plants

Q.How do I prevent and/or cure a fungus on my Iris? Some blooms are normal and some are not

Zone Franklin NC 28734 | Anonymous added on May 18, 2020 | Answered

This is the second year for this to happen. The ones that bloom are beautiful but the fungus on a different bloom (on the same stem) never opens. It has now spread to a rhodendrum across the driveway about 25′ away. I pick off the fungal blossoms and incinerate in a bag.

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Certified GKH Gardening Expert
Answered on May 21, 2020

Usually, infections are specific to plant families and won't spread to others. Dropping buds are often weather related, i.e., a cold night while the bud was forming. Also thrip feeding can cause blackened or dying buds.


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