Air Plant Care Guide

Air plants skip the pot, but they still need light, water and air. Here is how to cover each of the 5 Pillars, including what replaces soil. This guide walks through Air Plant (Tillandsia) care using Grow Queen's 5 Pillars of Plant Care.

🌏 Know Your Plant

Air plants belong to the genus Tillandsia in the pineapple family, Bromeliaceae, which Kew's Plants of the World Online lists at about 700 accepted species. The genus is native to tropical and subtropical America, from the southern US and Mexico to South America. Most are epiphytes that cling to trees, rocks and even power lines, using their roots only to hold on. Their leaves are covered in tiny scales called trichomes that absorb water and nutrients, which is why indoor care centers on soaking the leaves and letting them dry quickly.

• Family: Bromeliaceae, the pineapple family.
• Native to tropical and subtropical America.
• Roots are for holding on. Leaves do the drinking.
• Gray, fuzzy types handle drier air than smooth, green types.

✨ Fun Facts

• Each air plant flowers only once. After blooming, it makes small offsets called pups and the mother plant slowly declines.
• Spanish moss is an air plant too. Its botanical name is Tillandsia usneoides.
• The genus is named for Elias Tillandz, a 17th-century Swedish botanist and physician.
• Some species have fragrant flowers. Penn State Extension notes that Tillandsia crocata smells a bit like jasmine or gardenia.

What they need: No soil at all. Air plants need a dry, airy perch.

Air plants are epiphytes, so they do not grow in soil. Mount them on bark, cork, driftwood, shells or rocks, set them in a shallow dish, or hang them on fishing line or wire. Whatever you use, make sure it does not hold water against the plant.

• Never plant air plants in potting mix. Wet media can rot the base.
• Glass globes work if they are open and the plant goes back in fully dry.
• Pick displays you can easily remove the plant from for watering.

What to use: Air plants do not grow in soil, so skip potting mix and mount them on bark, wood, shells or rock, or set them in a shallow dish that does not hold water.

Learn more: Pillar 1, Soils & Growth Mediums →

What they need: Bright, filtered light. More light means a better chance of flowers.

Give air plants bright, indirect light, ideally in an east or west window. Thick, gray-leaved types can take some morning sun, while thin, green-leaved types prefer more filtered light. Air plants need high light to bloom, and LED grow lights can help in dim rooms.

Signs of too little light:
• Plant stops growing and never flowers.
• Leaves lose their silvery color and look dull.
• Plant slowly weakens and loosens.

Signs of too much light:
• Bleached or scorched patches on leaves.
• Leaves dry out much faster than usual.
• Brown, crispy tips on green-leaved types.

Learn more: Pillar 2, Lighting →

What they need: A thorough soak or rinse about once a week, then a full dry-out.

Water about once a week by soaking the whole plant for 20 to 30 minutes, rinsing it well under tepid water, or misting heavily. Then shake gently and set it upside down so no water sits in the center, which can cause rot. Let it dry for at least four hours before putting it back in a closed display. In dry, heated homes in winter, you may need to water more often, and in cool, humid spells, less.

Signs of overwatering:
• Base turns dark, soft or mushy.
• Center leaves pull out easily.
• Plant falls apart from the middle.

Signs of underwatering:
• Leaves curl or roll inward.
• Foliage looks dull in color.
• Leaf tips turn brown and crispy.

Learn more: Pillar 3, Watering →

What they need: Warm days, mild nights and steady air movement.

Air plants like nights above 55°F and days between 65 and 90°F. Good air circulation is essential because it helps them dry between waterings and prevents rot. Keep them away from heating and air-conditioning vents, which dry them out quickly.

Ideal conditions:
• Temperature: 65 to 90°F by day, above 55°F at night.
• Humidity: average home humidity, with more frequent watering if the air is very dry.
• Steady, gentle air movement.
• Summer outdoors in a shaded spot, out of hot afternoon sun.

Avoid:
• Heating and air-conditioning vents.
• Closed terrariums with no airflow.
• Cold drafts and frost.

Learn more: Pillar 4, Environment →

What they need: Optional, light feeding that adds vigor.

Fertilizer is not required, but air plants grow more vigorously with a little. Clemson Extension suggests a liquid fertilizer made for bromeliads, diluted to one-quarter strength and added to your watering about once a month. Avoid soil-based or granular fertilizers.

Benefits of the right feeding:
• More vigorous growth.
• Better chance of flowering.
• More pups after blooming.

What to use: Our granular and soil-applied foods are not right for air plants; if you want to feed, use a liquid fertilizer made for bromeliads or air plants at one-quarter strength about once a month.

Learn more: Pillar 5, Plant Nutrients →

🍂 Common Problems

Why are my air plant's leaves curling?

Curled or rolled leaves usually mean the plant is thirsty. Give it a longer soak, even overnight if it is very dry, then shake it off and dry it upside down.

Why is the center turning brown and falling apart?

This is rot, usually from water sitting in the center or a plant kept wet in a closed container. Always shake off extra water, dry it upside down, and give it airflow. Badly rotted plants rarely recover.

Why did my air plant die after it flowered?

That is its natural life cycle. Each air plant blooms once, then makes pups at its base. Keep caring for the mother plant and the pups will carry on.

Why are the tips brown?

Brown tips usually point to underwatering or very dry air, especially near heat vents. Water more regularly and move it away from vents.

✂️ Maintenance & Growth Tips

• Trim brown tips and dead lower leaves with clean scissors.
• Separate pups once they are about one-third the size of the parent, or leave them to form a clump.
• Check plants for mealybugs or scale and isolate any affected plant.
• Rinse off dust during your weekly watering.
• Buy nursery-grown plants, since some wild populations are threatened by over-collection.

⚠️ Pet Safety

We could not find air plants (Tillandsia) in the ASPCA Animal Poison Control toxic and non-toxic plant list, so we cannot call them pet safe. Eating any plant can upset a pet's stomach, and small air plants are easy for cats to bat around and chew. Keep them out of reach and call your vet if you have concerns.

🌿 Bottom Line

Air plants need no soil, but they do need care. Give them bright, filtered light, a good soak about once a week, and a full dry-out upside down.

Keep the air moving, keep them off heat vents, and feed lightly if you like. With that routine, you may even see them bloom and make pups.