Although a garden is a place where homeowners find peace and satisfaction, it can also be a nightmare for those who suffer from allergies or asthma. The truth is, certain houseplants trigger an allergic reaction. In fact, a study conducted by Bryan United revealed that some plants in Gretna, Louisiana, are a source of allergic and asthmatic reactions. For this reason, many residents need to avoid these harmful plants. Below are some of the plants to avoid.

Castor Bean

Castor bean is one of those plants that homeowners put it in their gardens to make a statement. This plant only grows annually, but quickly and to an enormous size, but is still very toxic. The pollen emitted from this plant can trigger an allergic reaction. That’s why we recommend you keep this plant out of your home and garden. Instead, you could consider growing hibiscus. 

Summer Daisies

Oxeye daisies are quite popular during the summer months. However, if you are an allergy sufferer, this plant could be detrimental to your health. Every part of the plant can induce rashes, hay fever, hives, and can even set off asthma. The fall phlox is a better option for the garden since it is not known to cause allergies. 


Chamomile is known for its calming effect, and as a result, no one would think that this plant could be terrible for allergy and asthma sufferers. Yet, the pollen from the chamomile plant causes symptoms of hay fever. The flowers and leaves from the plant can irritate the skin of anyone allergic to it. Also, if you are allergic to ragweed, then chamomile wouldn’t be the best plant to have in your home or garden; chamomile is a member of the family of ragweed plants. 


Juniper is also one of those plants that instigate allergies which results in skin problems and hay fever. During the pruning process, you should stay away from Juniper. Replace it with a safer plant like rosemary since we use it in cooking. 

Allergy and asthma sufferers should also consider improving their indoor air quality. To do so, speak to the professionals at Bryan’s United by calling us at 504-208-1166 visiting our website now.

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