If your houseplant is still growing but every new leaf seems slightly smaller than the one before it, something may have changed.
Perhaps your Monstera once produced huge leaves but its latest growth looks disappointingly tiny. Maybe your Pothos is growing longer while its leaves get progressively smaller. Or perhaps a previously thriving plant suddenly seems to be producing weak, undersized growth.
The good news is that small new leaves don’t automatically mean your plant is dying.
But consistently shrinking leaves can tell you that your plant isn’t getting everything it needs to produce strong new growth.
Light is one of the most common causes, but it isn’t the only possibility.
Let’s work through why houseplant leaves get smaller — and what you can do about it.
Why Are My Houseplant’s New Leaves Smaller?
The most common reasons include:
- Not enough light
- A climbing plant without adequate support
- Nutrient deficiencies
- Rootbound roots
- Watering problems
- Recent stress
- Temperature changes
- Naturally juvenile growth
- Seasonal changes
If it’s one unusually small leaf, I wouldn’t panic.
If every new leaf is progressively smaller, it’s worth investigating.
1. Your Houseplant Isn’t Getting Enough Light
This is one of the first things I’d check.
Plants need light to produce energy through photosynthesis.
If your plant isn’t receiving enough, it may continue growing but produce:
- Smaller leaves
- Longer gaps between leaves
- Thin stems
- Leggy growth
- Growth leaning towards the window
This is particularly common when a plant has been moved further away from a window or when light levels drop during winter.
What to do
Look at where your plant is positioned.
Could you move it closer to a suitable window?
Has something recently started blocking its light?
If natural light is limited, a grow light may help.
Read our Complete Beginner’s Guide to Grow Lights for Houseplants if you’re considering adding artificial light.
2. Your Climbing Plant Needs Something to Climb
This is particularly important for plants such as:
- Monstera
- Pothos
- Climbing Philodendrons
- Syngoniums
Many tropical climbing plants naturally grow upwards towards brighter light, attaching themselves to trees and other surfaces as they go.
And their growth can change dramatically when they’re allowed to climb.
A trailing Pothos hanging down from a shelf often produces relatively small leaves.
Give the same type of plant appropriate support and good growing conditions, and its leaves can become substantially larger as it matures.
What to do
Consider adding:
- A moss pole
- Coir pole
- Trellis
- Other suitable plant support
Encourage the stems upwards rather than allowing them to trail indefinitely.
Shope now for Moss poles or indoor plant support.
3. Your Plant May Need Feeding
Plants need nutrients to build new growth.
If a houseplant has been growing in the same potting mix for a long time, available nutrients can gradually become depleted.
You may notice:
- Smaller new leaves
- Slower growth
- Pale foliage
- Generally weak growth
But don’t immediately dump fertiliser into the pot.
Too much fertiliser can damage roots and create additional problems.
What to do
If the plant is actively growing and hasn’t been fed for a long time, consider using an appropriate houseplant fertiliser according to the manufacturer’s instructions.
Don’t assume that double the fertiliser means double the growth.
It doesn’t.
4. Your Houseplant Is Rootbound
A plant that’s been growing in the same container for years may eventually run out of room.
Signs can include:
- Roots circling inside the pot
- Roots emerging through drainage holes
- Water running rapidly through the pot
- Soil drying unusually quickly
- Slower growth
- Smaller new leaves
However, roots visible at a drainage hole don’t automatically mean emergency repotting is required.
Look at the entire root system.
What to do
Gently remove the plant from its pot and inspect the root ball if you suspect it has become severely rootbound.
If roots are densely packed and there is very little growing medium remaining, it may be time to move up one pot size.
Read our Beginner’s Guide to Repotting Houseplants before you start.
5. You’re Overwatering
Roots need oxygen as well as water.
When soil remains excessively wet for prolonged periods, healthy root function can suffer.
And unhealthy roots struggle to support strong new growth.
Other signs of excessive moisture may include:
- Yellowing leaves
- Drooping
- Soft stems
- Soil remaining wet for a very long time
- An unpleasant smell from the potting mix
What to do
Don’t water according to a rigid calendar.
Check whether the plant actually needs water first.
If your soil routinely remains wet for days or weeks, investigate the pot size, drainage, growing medium, light and root health.
6. You’re Underwatering
The opposite problem can also restrict growth.
Plants need water to maintain their cells and transport nutrients.
If your plant repeatedly becomes severely dehydrated, producing large new leaves may not be its priority.
You might also see:
- Drooping
- Crispy leaf edges
- Curling
- Very dry soil
- Soil shrinking away from the sides of the pot
What to do
Water thoroughly when your plant actually needs it rather than giving frequent tiny amounts.
If very dry soil seems to repel water, bottom watering can sometimes help rehydrate the root ball.
See Should You Bottom Water Houseplants? for more on that.
7. Your Plant Has Recently Been Stressed
Plants don’t exist in perfectly controlled conditions.
They get moved.
Repotted.
Shipped.
Knocked over.
Left dry during holidays.
Suddenly exposed to different temperatures.
And sometimes the first new leaf after a stressful event simply isn’t particularly impressive.
What to do
If the plant otherwise looks healthy, give it time.
Provide consistent:
- Light
- Water
- Temperature
- Humidity where appropriate
Then watch the next few leaves rather than obsessing over one.
One tiny leaf isn’t a trend.
8. You’ve Recently Repotted the Plant
Repotting temporarily disturbs the root system.
Even when you’ve done everything correctly, a plant may pause or alter its growth while it adjusts.
A smaller leaf shortly after repotting isn’t necessarily cause for concern.
What to do
Don’t keep interfering with it.
Avoid repeatedly pulling the plant out of its pot to see whether the roots are “doing anything”.
Give it stable conditions and time to establish.
9. Temperatures Have Changed
Many common houseplants originate from relatively warm climates.
Cold conditions can slow their growth considerably.
Watch for plants positioned:
- Beside cold windows
- Near exterior doors
- Under air conditioning
- In draughts
Sudden temperature changes can also cause stress.
What to do
Move the plant away from extreme temperature fluctuations while still providing appropriate light.
Don’t solve a cold-window problem by moving the plant into a warm but completely dark corner.
Plants need both.
10. It’s Winter
Sometimes your plant isn’t doing anything wrong.
It’s just December.
Shorter days and lower light levels can dramatically slow indoor plant growth.
You may see:
- Longer gaps between new leaves
- Smaller leaves
- Little or no new growth
Some houseplants essentially coast through darker months and become much more active again when light increases.
What to do
If the plant is otherwise healthy, you may simply need patience.
Alternatively, a grow light can provide additional light during darker months if you want to maintain stronger growth.
11. The Plant Is Producing Juvenile Growth
Not every small leaf is a problem.
Young plants naturally produce smaller foliage.
This becomes particularly noticeable with plants such as Monstera.
A juvenile Monstera may produce relatively small, simple leaves without the dramatic splits and holes associated with mature specimens.
As the plant matures under appropriate conditions, leaves can become larger and more complex.
What to do
Nothing.
Give it:
- Good light
- Appropriate support
- Suitable watering
- Time
You cannot bully a baby Monstera into becoming enormous by Wednesday.
12. Your Plant Has Lost Its Support
This is slightly different from simply never providing support.
Imagine a mature climbing plant that’s been growing happily upwards.
You take a cutting.
Move it.
Remove its support.
Or allow new stems to trail downwards.
The resulting growth may become smaller because the plant is effectively growing in a more juvenile form again.
This is particularly noticeable with climbing aroids.
What to do
Provide appropriate vertical support and encourage new growth upwards.
Why Are My Monstera’s New Leaves Getting Smaller?
With Monstera, I’d check three things first:
Light
Is it getting enough bright light?
Support
Is it actually climbing?
Roots
Does it have enough healthy root space?
Monsteras can produce dramatically larger leaves as they mature when given strong growing conditions and appropriate support.
If the plant is trailing sideways across the room in poor light, enormous fenestrated leaves become considerably less likely.
Why Are My Pothos Leaves Getting Smaller?
Pothos is another plant where growth habit matters.
In the wild, Pothos climbs trees.
As it climbs and matures, it can produce foliage dramatically larger than the little leaves we commonly see trailing from indoor hanging baskets.
If your Pothos is producing progressively smaller leaves, consider:
- Increasing light
- Giving it something to climb
- Checking its roots
- Reviewing watering
- Feeding appropriately during active growth
A healthy trailing Pothos with small leaves isn’t necessarily unhappy.
But if your goal is larger foliage, climbing is worth experimenting with.
Why Are New Leaves Small but Old Leaves Are Fine?
That’s actually useful information.
Old leaves show you what the plant was capable of producing under previous conditions.
New leaves reflect what is happening now.
Ask yourself:
What changed?
Did you:
- Move house?
- Move the plant?
- Change windows?
- Repot it?
- Stop fertilising?
- Start running air conditioning?
- Enter winter?
- Remove a plant support?
The timing can help identify the cause.
Should You Cut Off Small Leaves?
No.
A healthy small leaf can still photosynthesise and contribute energy to the plant.
Removing it doesn’t force the plant to replace it with a larger one.
Unless the leaf is:
- Dead
- Diseased
- Badly damaged
I’d generally leave it alone.
Focus on improving the conditions for future growth.
How Do You Make Houseplant Leaves Grow Bigger?
There’s no magic spray that produces enormous leaves.
Instead, give the plant the conditions it needs to mature.
Focus on:
Better light
Without sufficient energy, large growth is difficult.
Appropriate support
Especially for climbing plants.
Healthy roots
Use suitable potting mix and don’t keep them permanently waterlogged.
Consistent watering
Avoid repeated extremes.
Appropriate nutrition
Feed during active growth when needed.
Time
Some plants simply need to mature.
Get the fundamentals right and let the plant do the rest.
Should You Use Leaf Shine to Make Leaves Grow Bigger?
No.
Leaf shine products don’t make leaves grow larger.
If foliage is dusty, gently cleaning it is enough.
Our guide to How to Clean Houseplant Leaves explains how to do that without coating them in unnecessary products.
When Should You Worry About Small New Leaves?
I’d investigate further if progressively smaller leaves appear alongside:
- Yellowing
- Significant leaf loss
- Persistent drooping
- Black or mushy roots
- Pest damage
- Severely stretched growth
- No meaningful growth for a prolonged period
Those combinations suggest something more than a naturally small leaf.
Frequently Asked Questions
Why are my plant’s new leaves smaller than the old ones?
Insufficient light is a common reason, but smaller leaves can also result from watering problems, limited root space, insufficient nutrients, stress, temperature changes or a climbing plant lacking support.
Do small leaves mean my plant is dying?
Not necessarily. One small leaf is rarely cause for concern. Look for a pattern of progressively smaller growth and other symptoms.
Can small leaves get bigger after they open?
Leaves may continue expanding for a period after unfurling, but once mature they won’t suddenly double in size because conditions improve. Better conditions primarily affect future growth.
Does more light make leaves bigger?
Adequate light gives plants more energy to support healthy growth, but leaf size is also influenced by species, maturity, support, nutrition and other growing conditions.
Why is my Monstera producing small leaves?
Young Monsteras naturally have smaller leaves. On established plants, inadequate light, lack of climbing support, root problems or other stress can contribute to smaller new growth.
Why is my Pothos growing long vines with tiny leaves?
Low light can create stretched growth, while trailing Pothos often develops smaller foliage than mature climbing plants. Providing brighter appropriate light and vertical support may encourage stronger growth.
Should I fertilise a plant with small leaves?
Only if insufficient nutrients are a plausible cause and the plant is otherwise healthy. Don’t fertilise a struggling plant indiscriminately, particularly if root problems or overwatering may be involved.
Should I repot a plant that’s producing small leaves?
Only if there’s evidence it actually needs repotting. Small leaves alone aren’t enough reason to disturb the roots.
Final Thoughts
A single small new leaf isn’t an emergency.
Plants have occasional weird leaves just as humans have occasional bad hair days.
What matters is the pattern.
If each new leaf is progressively smaller, start with the basics:
Light. Water. Roots. Nutrition. Temperature.
And if you’re growing a climbing plant such as a Pothos or Monstera, don’t forget about support.
Fix whatever isn’t working and then wait.
The disappointing little leaf that’s already there probably isn’t going to transform.
But the next one might be better.
And the one after that might be bigger still.
Continue Reading
- Why Is My Houseplant Growing Slowly?
- Why Is My Houseplant Leaning?
- Why Is My Houseplant Drooping?
- How Often Should You Water Houseplants?
- Should You Bottom Water Houseplants?
- Beginner’s Guide to Repotting Houseplants
- Complete Beginner’s Guide to Grow Lights for Houseplants
- How to Clean Houseplant Leaves