Why is my plant no longer growing? The 6 main causes

Is it really a problem?

Before worrying, you need to put the situation in context. The growth of an indoor plant is not linear: it accelerates in spring and summer, slows down in autumn, and can stop almost completely in winter. This is a natural cycle, not an anomaly.

Ask yourself these two questions: how long has the plant not been growing? And what season are we in? If it's November and your monstera hasn't produced a new leaf in 6 weeks, chances are it's completely normal.

"A plant that isn't growing isn't necessarily a plant that's suffering.
Sometimes, it's just resting."

1. Winter dormancy

Seasonal vegetative rest

Between October and March, most indoor tropical plants enter a resting phase. Days shorten, light decreases, temperatures drop slightly—even indoors. The plant reduces its activity and focuses its energy on survival rather than growth.

This is the most frequent and least serious cause. Generally, as soon as the days lengthen in March, the plant restarts on its own.

Growthหยุด in autumn or winter Otherwise healthy plant Green leaves, healthy soil Spontaneous regrowth in spring

✔ Solution No action necessary—it's a natural cycle. Reduce watering and stop fertilizing until March. Place the plant in the brightest possible spot during winter. In spring, gradually resume watering and introduce a growth fertilizer.

2. Lack of light

Insufficient exposure all year round

Light is the engine of growth. Without photosynthesis, no new cells are produced, and thus no new leaves. A plant in too dark a place can stay alive for months without producing anything—it survives, but does not develop.

Growth stops all year round New leaves small and pale when they appear Stems stretching towards the window Plant in a dark corner or away from a window

✔ Solution Gradually move the plant closer to a natural light source. Bright, indirect light is ideal for most tropical plants. Clean windows—a dirty window can reduce brightness by 30%. If your space is very dark, opt for suitable plants: pothos, ZZ plant, sansevieria.

3. Pot too small

Roots cramped — needs repotting

When the roots have colonized all available space in the pot, the plant can no longer develop. It dedicates all its energy to maintaining existing roots rather than producing new leaves. This is one of the most common causes of stagnation in otherwise healthy indoor plants.

Roots growing out of drainage holes Roots visible on the surface of the substrate Substrate dries out very quickly after watering Plant in the same pot for more than 2 years

✔ Solution Repot in spring into a slightly larger pot (2 to 4 cm wider in diameter). Renew the substrate with fresh, rich potting soil. Avoid choosing too large a pot—excess space retains too much moisture and further slows growth.

4. Lack of nutrients

Exhausted substrate or no fertilization

A substrate used for more than a year gradually becomes depleted of essential nutrients—nitrogen, phosphorus, potassium. Without these elements, the plant cannot synthesize the proteins necessary for the formation of new cells. Growth first slows down, then stops.

Growth stops in spring or summer Slightly pale leaves No fertilization for several months Old, compact, or depleted substrate

✔ Solution Start regular fertilization between March and September: a balanced liquid fertilizer every 2 to 3 weeks. For a more lasting effect, opt for slow-release nutrient capsules. In winter, stop fertilization completely—the plant cannot absorb nutrients during its resting period.

5. Inadequate watering

Too much or not enough water

Chronically inadequate watering—either too frequent or insufficient—prevents roots from functioning properly. Roots suffocated by excess water or dried out by lack of water cannot absorb the nutrients needed for growth, even if the substrate contains them.

Soil constantly wet or constantly dry Damaged roots upon inspection Leaves turning yellow at the same time Stagnation even during peak growing season

✔ Solution Adopt the finger rule: water only when the top 2 to 3 centimeters of the substrate are dry. Always let water drain through the drainage holes and empty the saucer. If the substrate is very compact, consider repotting with a well-draining potting mix.

6. Recent stress or shock

Relocation, repotting, or environmental change

A recent relocation, repotting, change in light, or temperature variation can cause a temporary pause in growth. The plant dedicates all its energy to adapting to its new environment before resuming growth. This phenomenon can last from 2 to 8 weeks depending on the plant and the extent of the change.

Growth stops after a change Otherwise healthy plant Recent relocation or repotting Gradual recovery after a few weeks

✔ Solution Patience. Do not move the plant again and avoid stressing it further. Maintain regular watering and good light. Growth usually resumes on its own in 2 to 6 weeks. Resist the urge to fertilize intensely to "force" recovery—this risks burning already weakened roots.

💡 The winning combo in spring

If your plant has been stagnant since winter, take advantage of March to combine three actions: repotting with fresh substrate, starting regular fertilization, and moving it to a brighter spot. These three combined levers dramatically revive growth in most plants.