Outdoor plants are far more likely to set off allergic rhinitis or hay fever, but indoor greenery can still cause reactions for people with allergies or asthma. You can't control nature, but you can choose which plants to bring into your space. Pollinators and flowering plants are the worst for those with allergies, knowing which species to choose (and avoid) will let you enjoy your indoor jungle without reaching for the tissues.
How to avoid reactions
Allergy-sensitive people should avoid flowering plants like chrysanthemums, orchids, marigolds, and African violets. Other less obvious culprits include weeping figs, male palms (which release pollen), bonsai trees, and ferns. Go for species with smooth leaves that won't trap dust. If you really want a flowering plant, check that the flowers have short stamens and produce little pollen. Avoid overwatering and check the soil for mould, these spores are irritating for allergy-prone plant parents.