No, the right fiddle leaf fig pot size is snug, not roomy for this picky plant. These figs grow best when their roots fill the pot and feel held by the soil around them.
For fiddle leaf fig repotting, you should bump the pot up just 2 inches (5 cm) at a time. Going much bigger than that causes more harm than good in almost every case.
I learned this from a costly mistake when I bought a new pot 6 inches wider than my old one. My plant stalled growth for almost 6 months before it bounced back to a normal pace.
I watched it sit there without a single new leaf for weeks while I worried it might die. Once the roots filled in the extra soil, growth picked up again, but I lost half a year of progress.
That experience taught me why pot size matters so much for this plant in a real and direct way. The wrong pot does not just slow growth, it can kill the roots before they get a chance to spread out.
Big pots hold a lot of soil that stays wet for days after you water the plant. The roots cannot soak up all that water before it starts to rot the root tips and the soil itself.
Wet soil also blocks oxygen from reaching the roots, which need air gaps to stay healthy and grow. Without oxygen, root cells die off and the plant cannot pull water or food from the soil.
This is why a root bound houseplant like a fiddle leaf fig grows better than one in a roomy pot. The tight fit keeps the soil from holding too much water between watering sessions each week.
The NYBG backs this up and tells home growers to move up only one pot size at a time. They say to wait until roots poke from the drainage holes before you repot at all.
When you do see roots at the holes, pick a new pot about 2 inches (5 cm) larger in width than the old one. This small bump gives the roots fresh soil to grow into without holding too much water.
Spring is the right time of year to repot, since the plant grows fast and recovers from any stress. Skip fall and winter, when the plant slows down and may not bounce back from the move.
Other signs that your ficus lyrata container has grown too small show up beyond just roots at the holes. Watch for water that runs straight through the pot without soaking into the soil at all.
You may also see the plant dry out within 3 to 4 days of a watering instead of the usual 7 to 10. Both signs tell you the roots have packed the pot so tight that water cannot find a place to sit.
Check the base of the plant for roots that circle around the pot wall in a thick coil. This kind of growth means the roots have run out of room and need a slightly bigger home.
When you do repot, gently loosen the root ball to break up any tight circles before placing it. Then add fresh soil around the sides and water in slowly to settle the new pot.
I have tested both ways over the years and the snug-pot method always wins for healthy growth. Trust the plant's love for tight spaces, and your fig will reward you with steady new leaves every year.
Read the full article: Fiddle Leaf Fig Care: Complete Guide