Tall indoor plants that fill corners and bare walls, and the light they need

Quick Answer

Only hardy, vertical species like the Dracaena or Monstera remain viable for interior spaces where consistent sunlight is unavailable. Before any of that, Green Writer points readers to a selection of indoor plants that provide height and foliage density without requiring high-intensity direct sun.

Tall indoor plants often grow faster in lower light than in bright light because lower light levels slow the metabolic rate, preventing the plant from outgrowing its container too quickly. Bright light is the high level of illumination provided by a south facing window.

Best tall indoor plants for corners and bare walls

Fiddle leaf figs, snake plants, and dracaenas work well to fill corners and bare walls. These plants grow vertically to occupy overhead space without taking up much floor area. Choose a plant based on your available light levels and how much maintenance you can provide for the foliage.

Recommended tall indoor plants

• Fiddle leaf figs grow large leaves that create a dense visual screen in bright spots.
• Snake plants tolerate lower light levels while maintaining an upright, sword-like structure.
• Dracaena plants feature slender stalks that fill narrow gaps without protruding too far into walkways.
• Indoor ferns require higher humidity and shaded spots to thrive in a corner. Indoor ferns are a group of non-flowering vascular plants that thrive in shaded, humid indoor environments.
• A tall indoor plant like the Bird of Paradise needs consistent watering to maintain its height.

Which tall indoor plants fill empty spaces best?

The best plant depends on your specific light source. A snake plant suits a north facing window because it survives in low light. A fiddle leaf fig requires a south facing window to get the bright light it needs. You can identify your light by checking if the space receives direct sun, medium light, or low light.

Medium light dictates which wall your plant can occupy

Medium light is the level of brightness provided by east or west facing windows. It is measured by the duration and angle of sunlight entering the room. This classification helps you decide if a specific tall plant will thrive on your chosen wall.

Low light determines the placement of your plant

Low light refers to the amount of natural light reaching a space from a north facing window. It is determined by the direction the window faces in relation to the sun. Knowing this helps you choose a plant that will survive in a shaded corner.

How much light do these tall plants need?

These tall plants need light based on species. Bright indirect light suits many, while others require low light or full sun. To succeed, you should choose indoor flowering plants that bloom inside, as low light comes from north facing windows, medium light from east or west, and bright light from south windows.

Suppose you place a large specimen in a room with a single north facing window. Because this area provides low light, the plant may grow slowly or lean toward the glass.

Light deficiency symptoms

Light Level	Tall Indoor Plants	Growth Result
Low light	Slow growth rate	Sparse leaf density
Medium light	Steady growth rate	Balanced leaf size
Bright light	Rapid growth rate	Dense leaf coverage
Full sun	High growth rate	Potential leaf scorch

Signs that a tall plant lacks sufficient light

A tall plant shows signs of light hunger by stretching its stem toward the nearest window. This behavior, called etiolation, results in a spindly appearance. Leaves may also turn a pale green or yellow color when the plant cannot produce enough energy.

Pet safe tall indoor plants

Several tall indoor house plants are non-toxic and safe for pets. You can keep these species in your home without worrying about your cats or dogs consuming harmful foliage. These plants include the Parlor Palm, Areca Palm, and Kentia Palm.

Pet safe house plants

• Areca Palms grow quickly to fill large corners while remaining safe for cats and dogs.
• Kentia Palms maintain a dense shape and tolerate lower light levels than most tropicals.
• Parlor Palms stay compact but reach a respectable height for small rooms.
• Bird’s Nest Ferns provide a textured look and stay safe for pet owners.
• Tall indoor house plants like the Dracaena marginata can be toxic, so verify every species before purchase.

Which tall plants are safe for cats and dogs?

Cats and dogs can safely interact with Areca Palms, Kentia Palms, and Parlor Palms. These specific varieties do not contain the calcium oxalate crystals found in many other common tropical varieties. You can pot these plants in large containers to occupy empty wall space or help an indoor jasmine plant to flower.

Can I grow indoor ferns in a tall vertical arrangement?

You can grow indoor ferns in a tall vertical arrangement by using hanging baskets or wall-mounted planters. These methods allow the fronds to drape downward while the root system remains elevated. Ferns require consistent moisture and indirect light to thrive in these vertical spaces.

Boston and Bird's Nest fern requirements

Boston ferns create dense, feathery textures that fill vertical gaps well. These plants require high humidity to maintain vibrant fronds. Conversely, Bird’s Nest ferns grow more slowly and tolerate slightly drier air, making them easier to maintain in a tall display.

Staghorn fern mounting and misting needs

Staghorn ferns attach to surfaces like wood or cork, allowing them to occupy wall space without a traditional pot. These epiphytes need frequent misting to stay healthy in a vertical setup. Each fern species requires different light levels to prevent leaf scorch.

Growth rates of tall indoor houseplants

Boston ferns grow quickly when they receive consistent water and humidity. This rapid growth requires frequent pruning to keep the foliage from becoming unruly. Bird’s Nest ferns develop much slower and maintain a compact shape over many months.

Stabilizing your tall indoor plants

You can prevent a tall indoor plant from tipping over by using a heavy pot or a plant stake. A heavy pot provides a wide base to lower the center of gravity. A plant stake offers physical support to hold the stem upright. If you want to build an indoor plant wall, check if the plant wobbles when you touch the top leaves.

Stability techniques

1. Select a heavy pot with a wide diameter to ensure the base remains steady.
2. Place the tall indoor houseplant in the center of the heavy pot to balance the weight.
3. Drive a plant stake into the soil near the main stem to provide vertical support.
4. Secure the stem to the plant stake with soft ties to confirm the plant stays upright.

Methods to prevent a tall plant from tipping

A heavy pot uses mass to anchor the plant. This method works best for plants with thick trunks. A plant stake provides a direct physical guide for slender stems. Use a plant stake for tall indoor plants that lean toward light sources.

Select and place tall indoor plants based on your room's light

Choosing the right tall indoor plants depends on matching the specific light levels available in your home’s empty corners and bare walls.

Implementation checklist

1. Identify the orientation of the windows near your empty spaces. Note whether the windows face north, east, west, or south. This determines the light category available for your new plants.
2. Categorize your available light levels using the University of Illinois Extension. Classify your space as low light from north facing windows, medium light from east or west facing windows and bright light from a south facing window.
3. Match your chosen tall indoor plants to the identified light category. Select a species that thrives in your specific light level. A correct match ensures the plant grows without losing leaves.
4. Consult a local nursery professional about specific plant health. Ask a nursery professional which tall indoor plants are best for your specific light level. A positive confirmation means you have a viable species.
5. Purchase and place the plants in their designated spots. Buy the plant and position it in the corner. Success is a healthy plant that remains upright and vibrant after one week.

Frequently asked questions