How to Fix a Leggy Houseplant

A leggy plant has long, thin stems with big gaps between the leaves, and often leans hard toward the window. It looks sparse and stretched compared to the compact plant you bought. Leggy growth is one of the most common houseplant problems, and it is fixable. The key is to understand why it happens, because pruning alone will not help if the cause stays the same.

Why plants get leggy

The technical term is etiolation. When a plant does not get enough light, it puts its energy into growing taller and reaching for the light source. Stems elongate, leaves become smaller and paler, and the spacing between nodes grows. The plant is not being difficult. It is doing what plants do to survive.

Light is the main cause, but not the only one. Other contributors include:

• Seasonal change. Winter days are short and light is weak, so a plant that was fine in summer may stretch.
• A crowded spot where other plants or curtains block light.
• Lack of pruning, especially in vining or bushy plants that need regular trimming to stay full.
• Rapid growth with too much fertilizer and too little light.

Step 1: Fix the light

Without more light, new growth will be leggy again. Move the plant closer to a bright window, or add a grow light. Make the change gradually if the plant has been in a dim spot, so it does not scorch. A simple full-spectrum grow light, placed within a foot or two and run for eight to twelve hours a day on a timer, can help a plant fill out. See what bright indirect light means for how to judge your light.

If the plant is a low light species, it may simply grow in a loose, trailing way. See low light houseplants for what to expect.

Step 2: Prune to encourage branching

Pruning is the second half of the fix. When you cut a stem just above a node, the plant usually sends out new growth from the nodes below the cut, which makes it fuller.

1. Use clean, sharp scissors or pruners.
2. Cut about a quarter inch above a node or a leaf joint.
3. Cut the longest, leggiest stems, and leave some foliage so the plant can keep photosynthesizing.
4. Do not remove more than about a third of the plant at once.

Spring and early summer are the best times for heavy pruning, when plants grow fast and recover quickly.

Step 3: Pinch for bushier growth

For plants that are not yet leggy, pinching prevents the problem. Pinch off the growing tip of a stem, just above a node, using your fingers or small scissors. This tells the plant to branch. Do it regularly on plants such as coleus, begonias, and many herbs, and on vining plants.

Step 4: Turn the cuttings into new plants

Do not throw away the pieces you cut off. Many houseplants root easily from stem cuttings, and you can use them to fill out the original pot or start new plants. Pothos, philodendron, tradescantia, and many others root in water or moist soil. See how to propagate pothos in water. Planting several cuttings back into the same pot is a great way to make a leggy plant full again.

Step 5: Rotate regularly

Plants lean toward the light, so turn the pot a quarter turn every week or two. This keeps growth even and prevents the plant from becoming lopsided.

Which plants can be pruned this way?

Plants with nodes and branching habits respond well, including pothos, philodendron, tradescantia, coleus, jade, and many succulents. Some plants do not branch when pruned. Palms, snake plants, and ZZ plants grow from a central point or from rhizomes, so cutting the top can harm them. Check what type of plant you have before cutting.

Leggy succulents

Succulents that stretch, with a long bare stem and a small rosette on top, are very common, and they almost always need more light. You can behead the rosette, let the cut end callus for a few days, and re-root it in dry, gritty soil. See how to care for succulents indoors.

Preventing legginess

• Give the plant enough light to begin with.
• Move plants closer to windows in winter.
• Prune and pinch regularly.
• Rotate pots.
• Do not overfeed a plant that lacks light.
• Repot when a plant becomes crowded, since a stressed plant stretches more.

Be patient. A leggy plant will not fill out overnight, and it can take a month or two for new growth to appear. Look for compact, closely spaced new leaves as proof that you have fixed the light. If you would like help with a particularly stubborn plant, our plant care service can take a look.