The first time I repotted a plant, I basically performed surgery on it with the confidence of someone who had watched one YouTube video. I yanked it out of its old pot, shook off literally all the soil, and dropped it into a pot three sizes too big. It sulked for two months. Yellow leaves, no new growth, the whole sad routine.

A step-by-step infographic showing how to safely repot a houseplant, including watering beforehand, gently removing the plant, checking and loosening roots, choosing a pot 1–2 inches larger, adding fresh soil, watering in, and providing gentle aftercare.

Repotting isn't hard once you know the actual rules, but it's one of those things where doing it wrong can set a plant back for a long time. So here's what I wish someone had told me before I went full surgeon on that poor pothos.

How do you know it's time to repot?

You don't need to repot on a schedule just because a certain number of months have passed. Look for actual signs instead:

• Roots growing out of the drainage holes
• Water running straight through the pot without the soil absorbing much of it
• The plant drying out unusually fast between waterings
• Roots visibly circling at the top of the soil or pushing the plant upward out of the pot
• Growth has noticeably slowed even though it's the growing season and care hasn't changed

A lot of plants are actually fine being a little snug in their pot — some, like pothos and snake plants, even seem to prefer it. So don't repot just because you're excited to use a new planter. There needs to be an actual reason. If you're also unsure whether a dry-fast pattern is a pot-size issue or something else, it's worth cross-checking against how often you should really be watering your indoor plants.

Timing matters more than people think

Spring and early summer are the best windows, when the plant is actively growing and can recover quickly. Repotting in the dead of winter, when most plants are semi-dormant, tends to stress them out more and they take longer to bounce back. I learned this one the slow way — repotted a monstera in January once and it just sat there looking unimpressed for what felt like forever.

Choosing the right size pot

This is where I went wrong the first time. The instinct is to go big so you don't have to repot again soon, but a pot that's too large holds way more soil than the roots can use, which stays wet for too long and can lead to root rot.

The general rule: go up about 1-2 inches in diameter from the current pot, not more. If your plant is in a 6-inch pot, an 8-inch pot is usually the right next step, not a 12-inch one.

What you'll actually need

• The new pot (with drainage holes — this one's non-negotiable for most plants)
• Fresh potting mix suited to the plant type
• A trowel or old spoon
• Scissors, in case you need to trim damaged roots
• A towel, because this gets messy

The actual process

Water the plant a day before. Dry soil crumbles apart and can damage roots when you're pulling the plant out. Slightly moist soil holds together better and slides out more easily.

Loosen the plant gently. Tip the pot sideways, and gently squeeze the sides if it's plastic, or run a knife around the inside edge if it's a rigid pot. Ease the plant out by the base, not by yanking the stem.

Check the roots before doing anything else. Healthy roots are firm and usually white, tan, or light brown. If you see dark, mushy, or foul-smelling roots, that's rot, and you'll want to trim those off with clean scissors before repotting — the same early warning signs covered in this root rot guide apply here.

Loosen the root ball a little, but don't go overboard. Gently tease apart the outer roots if they're tightly circled, especially if the plant is rootbound. You don't need to shake off all the soil like I did on my first attempt — a little disturbance is enough.

Add fresh soil to the new pot first. Put enough in the bottom that when you set the plant on top, it sits at roughly the same depth it was at before. Burying the stem too deep can cause rot.

Fill in around the sides. Add soil around the root ball, pressing gently as you go so there aren't big air pockets, but don't pack it down hard. Roots need room to breathe.

Water it in. This settles the soil around the roots and helps close any remaining gaps.

After repotting: what's normal and what's not

Some drooping or a bit of yellowing in the first week or two is completely normal — the plant is adjusting. If yellowing sticks around longer than that or spreads, it's worth reading through why plant leaves turn yellow to rule out other causes. What you can do to help it along:

• Keep it out of direct, harsh sunlight for a week or so while it recovers
• Hold off on fertilizing for about four weeks, since fresh potting mix already has some nutrients and the roots need time to settle before they can handle more
• Don't be tempted to water more than usual just because it looks sad — overwatering during recovery is a common way to make things worse, not better

If it's still visibly struggling after three or four weeks with no new growth at all, it's worth checking the roots again for rot, but otherwise, patience is really the main ingredient here. Low humidity can also slow recovery and mimic the same droopy look, so it doesn't hurt to check whether your plant's humidity needs are being met while it settles in.

FAQs

How often should I repot my houseplants? There's no fixed schedule — check for the signs above instead, like roots coming out of drainage holes or water running straight through. Many houseplants only need repotting every one to two years, some even less often.

Can I repot a plant that's flowering or fruiting? It's better to wait until after the blooming period if you can, since repotting during flowering adds extra stress on top of what the plant is already putting energy into.

Is it bad to repot into a much bigger pot? Yes, generally. Too much extra soil holds excess moisture longer than the roots can use, which raises the risk of root rot. Stick to sizing up gradually.

My plant looks worse after repotting. Did I kill it? Probably not. Some drooping or yellowing for a week or two is a normal stress response. Give it time in indirect light, don't overwater, and hold off on fertilizer until it's settled in.

Maya Reyes has been growing houseplants (and occasionally killing them in the process) for over eight years, currently tending a very overcrowded plant shelf in her apartment. She writes about the lessons — including the expensive mistakes — over at Vines of Heaven.